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The current situation of Wind Energy

Arauco Valley ; ; ;

Since January 16, 1992 date of the enactment of Law 24065 of electricity privatization, anyone who meets the requirements of the emerging rules of the Act is authorized to generate electricity on the network of public service and is entitled to receive the service. The price per Kw hour what CAMMESA fixed and variable, variable whimsically, to the extent that the energy crisis is intimately linked to that whim. Before the infamous devaluation of 3 to 1, the price paid Kw hours was $ 0.026 / kW hour and the result account profitability depended on the source of generation. At that time joined a quarantine of generators, grouped in a house, most of which generated by gas turbines or other alternative heat. Then came the debacle and all commodities, of course, they tripled their prices in dollars, ignoring the promises of then interim president Eduardo Duhalde was unaware of the most elemental of the economy intended to keep the peso price of fuel. However, with electricity, not so comodity when its source is hydroelectric and nuclear power, was not the case and given the critical social and economic situation, the price electricity fell in dollar value to the third party, stopping all investment in the sector. All the infrastructure maintained their prices in dollars but, if by that date, the investment in wind energy was so questionable that only justify those for whom there were no financial costs or maintenance operations, reduced revenue by 30% was adamant. I only know one case, General Acha, in which the installation was completed following the fulfillment of the contract that was already underway. However, to understand the seriousness of the problem may be noted that facilities fully operational for over 10 years, for example Mayor Buratovich two Bonus 600 kW turbines and Punta Alta with 3 of the same size and brand, remained inactive for a long time that income is not justified maintaining the state took the necessary subsidy to reduce the impact - economic. The latest measures are intended to recover the position and are reflected in the adjusted prices Cammesa. A quick glance through the Internet allows us to appreciate the values \u200b\u200bof the day are now $ 0.120 / kW hour, no less than 4.6 times more than those held for more than 6 years after the devaluation At first glance it would seem that the 4.6 fold increase of the spot price would justify a new analysis of profitability. In dollars Kw hours price is slightly higher than the difference in the 1 to 1. But let's see what happens today with the price of wind turbines. At that time the unit price of a wind turbine grid connection (network-attached) was 1000 u $ s per kW installed, with a tendency au $ s 800 indicated by the manufacturers of that time as today is 3370 (?) as published by the reports in the press LAWEA and in relation to the planned investment in the valley of Arauco, La Rioja. IMPSA, even with its sad history of having spent more than 15 million U.S. $ s that all taxpayers pay a prototype installed in

Commodore in June 2006 and fell before having generated a single KW hour, is the happy winner.

ROI . As background to show a return, highlighted in blue, part of a speech of just five years old and which shall, as of the date is the same with the exception of the item for wind energy ( highlighted in red) as shown in the following form to come to occupy two places behind nuclear energy surpassing the phosphoric acid cell. Day date, the actual investment unit for a wind turbine, taking into account the values \u200b\u200bof Arauco, ranging from 8300 to 13400 u $ s / kW depending on whether an area with a utilization rate of 40 % or 25% respectively. For

grocer numbers are not necessary accurate measurements. There is no fear of mistakes by saying that our coastline has excellent wind energy with a utilization rate of around 30%. What does this mean? That if we install a turbine of a kW of power, we will after one year, 2628 kW hours arising from multiplying the year 8670 hours by 0.3, at 0, 030 u $ s / kw hours Cammesa we will pay u $ s 78.8 of gross annual revenue that will have to subtract the operating expenses, financial, maintenance and add the benefits of 25019 law that rewards with 0.01 u $ s / kW hour generated via wind. Recall that the unit investment is $ 3373, so the gross investment return of 3.1% is insufficient to cover even expenses, but there is another consideration, further analysis under the rule of Resolution 2006 of the Ministry of Energy, "Energy Plus", better known as "Arréglense as possible between you" that forces large industries to obtain their own coverage of the largest power-consuming demands on 2005. That's why ... "must undertake the challenge of changing the consumption pattern, as this is what will give a solution to avoid the punishments that will implement the government ...." (The quotation marks are the preamble to the regulations) if the state does not serve to provide us with more essential services are their leaders should realize they are in breach of the duties of his function.

is not surprising that these attitudes we bring memories of some very similar, the difference is only the means used to dodge the responsibilities of the package acquired with institutional oath. Some used a helicopter ... others a ridiculous, shameful unusual and regulations, as shameful as the proposal suggested, and obviously failed to modify the typical value of generation reduced by 10% (instead of 220 is 200) or "master "lecture to 2000 people in the finance ministry explaining the need for refrigerators" economic "of 130 watts instead of 180-130-ignoring that works 38% more time than the 180 and spending depends of and never use the power of the engine, why is not supposed to continue our presence in the evening we had enough reasons to feel that we took for jerks

.

The form above shows the "progress" of real investment in the wind field, highlighted in green.

Operating and maintenance expenses . We enclose a chart as one typical of the results that show the reality. Note that after 6 years begin maintenance costs, which are reiterated to 8.10, 15, 16 and 18. The graph shows that the investment was 1.2 and that if there is no maintenance costs, at age 20 would have had to return 1.6 units, excluding financial expenses and depreciation. But the 1.6 has been reduced to 0.4 and thus the difference 1.2 (1.6 -0.4) was absorbed by the expenses. For those not accustomed to working in relative values, do an actual calculation for Arauco Valley eros. Each aircraft costs of 2.1 Megaw 7,000,000 or $ s (are previstos12 total) Brought to absolute values, in 20 years will be $ 8.4 million of operating and maintenance costs. (1.2 x 7) Apportioned annually, would be 0.42 million per year for each airport

depreciation costs, amortized over 20 years the airport will be 0.05 x 7mm = 0 35 million u $ s annual depreciation

Interest expense: It is the subject of my devotion and perhaps most vulnerable to my knowledge, but suppose to 0.05 in per unit, including well Libor, the bank guarantee commission of BCRA that would be another 0.35 million. Ultimately the total cost would be 1.12 million per year against an income of $ s 220,000, (Flashing 0.30) a total of $ 10,800,000 in annual losses s ;

Infografia entry:

While the subject we have explained in the original notes who have completed 10 years and are known for our regular readers should reiterate the learning mechanism. The idea is to explain briefly the energy sources that can compete in the electricity supply. Prices are unit for all alternatives, including renewable and non renewable and competitive alternatives represent only given in the form of reference. Column 4 shows the actual values \u200b\u200bof investment that are apparent values \u200b\u200b(column 3) affected by the utilization rate or intermittent (column 2). Wind Example rates ranging from 25% to 40% from areas with moderate winds to the Patagonia. It is reasonable that the investment is done with a Francis turbine, which will operate full while the flow of the river that feeds it does not change, has a rate not less than 80%. Or a photovoltaic cell at night or in time does not generate, has a rate as poor as 8 to 25%, objective result of universally accepted measurements of the bodies. The last column shows the relationship over the cheaper alternatives. Note that in the case of wind the ratio of 4 to 80 has become 13.5 to 90 in less than a decade. The reasons are at the discretion of the reader. We have already spread widely enough in similar cases such as APIPA or Yaciretá-Atucha II even more scandalous in the memo that gave rise at present.

With an installed annual production Kw Kw hours in 8760 will Kw hour spot price paid CAMMESA gives us to this day u $ s 350 per year, including the subvention of Law 25019 to be compared against real investment in each of the alternatives. If fuel costs are zero, you only need to charge depreciation, maintenance, operational and financial costs, as they have done, and represent an estimated 0.16 per one, bringing the balance point will be 350 / 0, 16 = u $ s 2190 .- In the event that the renewable source is no need to consider fuel costs whose value depends on the target system but is not subject to this consideration. What is the meaning of the u $ s 2190? Is the maximum investment in any of the alternatives to balance income with expenses. The entry includes the total annual hours and return analysis is performed against the amount of real investment. In other words, and already talking about our alternative wind, all economically justifiable investment should not exceed 2190 u $ s / kW., That if the wind is from 8400 to 13500 depending on whether the extreme of Patagonia or the coastline (0.4 to 0.25 of utilization rate.) Nothing more and nothing less than 6.16 to 3.83 times more than required as a equilibrium. . Note that the difference with the 2190 would enable, for example, earn between 2.5 to 7.5 times more energy in a hydroelectric investment or between 1.4 and 4.5 times more if the investment is nuclear. Also remember the importance of the contribution negligible compared to the hydroelectric wind 12 wind farms The mean baseline, to 0.3 of intermittency index only 7.56 Mega Watt. For reference, one of the 4 turbines Piedra del Aguila is 46 times more power or nuclear plant in Rio Tercero 80 times.

recommend reading the note "Wind Energy - Photovoltaic - Hidroelectrica" \u200b\u200bpart of the blog.

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Wind Energy Wind Power

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hydrostatic potential for Beginners (2 ª. Party)

Excellent, John ...! Well actually many Juanes at this time. Too bad not enough time to know them all. You need another note, however brief, before advising them to address the higher level. No doubt that has helped more than I thought and this encourages us to complete the "Introduction" earlier than expected.

As a first step try to clarify that the jug of 1500 liters of a 1.5 meter high side and has only a very insignificant part of the circumference could share the earth, which will give us an idea of \u200b\u200bthe immense power . Indeed, at the height of Ecuador, aligned in one meter wide could place 40 million cans as we said and the tide was responsible for 24 hours and thanks to the help of the Earth's rotation, filling all hypothetical "million friends Roberto Carlos" multiplied by 40. Recall further that, in the knowledge that with identical process if reemplazábamos the tidal wave a wave of the same nature as the potential wave energy that we had was the same height, 1.5 meters, from 10000 to 14000 times higher, which is why we all agreed that John was already preparing to withdraw its trash spring and find a place away from the repair, in the ocean. Good opportunity to try and understand not only the concept and try to do the above, but at a level to enter only specialists. Forget the drum, for a moment, but not the place to which we carry. Let us imagine that we are, with a boat moored there. Depending on the intensity of the wind we can see that the boat rises and falls between 5 to 12 times per minute. Put another way, with a camera can shoot 5 to 12 identical waves whose form is very similar to a sinusoid, easy to check with an electronic instrument used for this purpose, known for oligrafo, and that courtesy of the Port Management Consortium on a CD I keep millions of readings every 15 minutes with the maximum height, the significant height, the average of the last 10 waves, the height of the tide, water temperature, room temperature , wind speed, wave length, the repeat period of the wave and with a bit of luck the minute tardy employees.

Taking the wave height is possible to calculate the length, 20 times the height and the repetition of the wave as well as with the prevailing wind to know, without the help of oligrafo, the wave velocity should not be confused with the current speed. That the effect of wind is zero.
Simply leave a bottle half-submerged floating to prove it. Suppose that in a minute I could photograph 6 waves in the same way. In the previous note was learned as hydrostatic energy accumulated in a container in a "homer" (parallelepiped as they say, with forgiveness of the word). If the calculations rely on comprehensive analysis, hydrostatic energy accumulated in a bin is shaped sinusoidal the weight of water behind the sinusoid multiplied by the distance from the center of gravity that is 3 / 8 of wave height and in turn the surface is the wave length by half the height of the same values \u200b\u200band calculations can be found in the respective discussions in which we have also simplified things with appropriate demonstrations that are available to everyone.

As a last comment with reference to the hydrostatic energy say that if the tide is exactly equal to the wave, except that the length of the sinusoid, rather than the order of tens of meters is the order of tens of millions of meters, height of the same order and often one or two times a day instead of 10000 A17000 per day.


continental interference

Also in the things that we have underestimated, other than interest on many inquiring minds that were not within our expectations but we received with much pleasure that compels us to apologize for the error, is definition of some terms. One is the continental interference. Try to explain this by imagining a hypothetical channel one meter wide that surrounds our planet, at the height of land parallel and smoothly. In Ecuador, in the tropics, the height of Necochea, etc. We fill with enough water to have say 0.75 meters deep what would be the height of Ecuador 30 million liters. First surprise: instead of having a couple deep we will find that a part is about 1.5 meters, which is empty and 20,000 km a10000 km for each side will be the only place to have the 0.75. What happened? The position of the moon and sun on the ground were the cause of the problem of attraction in the side facing the moon, our planet and the sun causes a deformation of about 1.5 meters in the worst case. The water will then have about 1.5 meters deep on the side that faced moon and earth, zero on the opposite side and close to 0.75 on the squares. No matter the depth. The difference is the problem of mutual attraction and the different distances between the separate faces compared to 12700 km 400000 km distance between moon and earth and as much of what happens to the mass of the sun and the distance between the sun and the land subject matter and known universally indisputable.

to locate, analyze the relative importance of five feet in front of the diameter of the Earth 1.5 / 12,700,000 = 0.000000118. At a diameter of a sphere of 127 km, mean 1.5 mm unimaginable. After this digression, back to the interference, reasoning based on a vane pump, whose operation and is familiar to us and relieve us of

complicated explanations. Better known as Vickers pump.

The the eccentric rotating body on the box. The is a slot into which slides a palette that is maintained by spring pressure against the wall touching the box and expelling fluid from the top of the palette as it absorbs the mouth suction to fill the box again and repeat the following operation. Remove the blade and the spring and see what happens. The rotor will rotate but now the liquid still remains, as it as with our channel course of 40 million meters and the passage of the slot detect the different "heights of tide" in the same way that a resident adjacent to the channel you can appreciate full height each day. If the speed of our pump is an rpd (revolution per day) the phenomenon is just like the tide only with dimensions on the order of centimeters instead of millions of meters as he saw him preparing the ground to justify the reasoning . The similarity with the channel allows us to continue looking for analogies. Is the palette, put back in place is not an obstacle, an interference , whose function is to drag all the water moving it toward the exit channel, so that on the second lap accumulate twice as much water and its potential energy and on the third day will 3 times more than the first day and so on because that is the function of the pump and that was made The same applies to the continental interference tide for San Sebastian which has two daily tides 8 and 10.6 m and only 1 degree of latitude, and in the area without interference, or Puerto Aguirre Bay Vancouver with only a single tide height from 1.70 to 1.80, representing only 1.7% of interference energy.

below or a little over 10 gauges between 54 º to 68 º south latitude, was totally continental interference with one daily tide of not more than 1.5 meters. We have presented symbolically painted palette map of the Patagonia Argentina, unobjectionable wall that stands in the relative progress (remember that what moves is the land) tidal wave. The next update will allow us to round out and reinforce the concepts. For the more eager to recommend it and enter the notes The Continental gutter, the gutter and the hydrosphere, gutter 2 and others, while at another level I hope that will be available to those who have joined us. Anyway I would stress that the issue is not what is easy demonstrated by the 300 years that precede us.

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Mr. Enrique O. Nielsen

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critically injured by bike pre-campaign

dear cyclists and cyclists find myself partially out of action due to the critical state of my bike, which has lost brake anchor right by the way, my phone is dead, the state of my left wrist is not better, as it is sold as a result a small but painful sprain I am compelled to write to the middle finger of his right hand, the same that we used to, aiming it toward the beret covering madrid, express our opinion of our beloved Mayor Don Alberto I am retired temporarily outside the circulation, as the hope presidentísima appears not expect much to any forum and attend the program "Espanya direct" Otherwise I think the criticism last bike was joyous and glorious, I hope to recover for bilbotarra kritikona because I do not want to miss the party txirrina-txarranas of the beautiful easo my Aita how about 3,000 bicyclists was passing the door of the sun? seems unless it was a reckless brainless head, be careful with these things, which ultimately end up hurting some, thanks for following me in my efforts last night going through the pc in the province and the ministry of foreign affairs, see you that very cool bike fad critical February after a sow is a 24F 23F, and this I do not think I forget

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Tidal Energy Wind Energy Wind

DESIGN EXCAVATOR

LONG AND ROLL

Since the tangential velocity of the blades is proportional to the radius from the center which is zero, to the fullest extent of the blade, according to the following formula:

being w the angular velocity in radians and n the number of revolutions per minute of the propeller is then to maintain constant angle of attack along the entire blade is necessary to give it a twist as we approach from the tip to the center of it if we want to optimize performance. This bank is not important as we will for the first half of the blade but as we approach the center assumes a fundamental importance. However it is true, and we will show later, the contribution to the total power is the central part is negligible so the reasoning is limited to only half or at most three quarters of the length of the blade. Take

based on the average wind speed in the area where presumably we will install the unit, such as 7 meters per second while a rate of speed (characteristic of the end of the paddle, which subsequently will be analyzed to define without empiricism, or at least try to minimize them), say 50 meters per second.

These two values \u200b\u200bdefined for the end of the blade angle of attack according to the following:

However, if we keep the angle of attack half of Rmax, which must be met

and roll should then be the difference of the angles, ie

although the gradient of the warping is hyperbolic as tg to = k / r and this is the equation of a hyperbola in the first part of it is negligible the error made by considering it as a line. Just as it approaches the center variation is important, but we said would show that the contribution to the total power is negligible and therefore despise not only the analysis of the center of the helix but also the propeller itself. As this now seems an empty promise, then and although they lose a little order, will try to demonstrate the concept. Previously a brief introduction to the analysis differential and integral extraordinary basic engineering tool without which the world's progress would have been impossible, but now, with the presence and the spectacular advances in computing, I think would be perfectly feasible to replace it. These comments meant to be an apology for those not lucky enough to receive training is teaching math and by the way, justification for those who took and failed to grasp the importance. Explain

without the aid of integral calculus concepts that are not easy as it is also impossible in the time available, nor is the goal of this course, transmit the necessary basic knowledge. But I think it's worth and even very basic attempt to awaken the concern of readers through a method that can be the basis of integral calculus and, in my view, in combination with the computer could be a conceptual replacement alternative.

Indeed, it is a system known as "finite differences", whose implementation will emerge as an aid in each case that we need.

Take into account a wide piece of praise b (See fig.) And length ¶ r differential (r) small enough to whereas, for example, no errors are very rude in mind that every time we change our place of observation, zooming in the center of rotation, the conditions change. (Torque, thrust, tangential velocity, etc.).

The only constant is the number of revolutions of the blade which is constant for every piece of it. In short the method of analysis would be provided, for example, knowing that it is not accurate calculation, we divided the blade in, say, 10 equal parts and each piece individually so we analyzed later to add the results.

is easy to guess that if the division, rather than doing it in 10 segments that made in 100, using the same principle, the accuracy would be much more and I even dare to say that the calculation would be so, so, acceptable with respect to the traditional integral calculus would not have any objections. What's more, given that a good spreadsheet program systematized what he might do without difficulties we are facing in the point they wanted to go. With finite differences, but still small enough, now end up with integral calculation results but without the necessary skills to get by. Differential calculus is just that: making infinitely small these values \u200b\u200band determine the outcome computing the sum final

the effects of each one of those infinitely small parts of it.

After this digression, let us take back the piece of blade length infinitely small ¶ r (or 1 / 10 if we use finite differences and arbitrarily divided by ten) located at a distance r from the center of rotation of the blade. According to classical concepts of aeronautical engineering the bearing differential we will use repeatedly is, for the differential segment of praise

( C _s lift coefficient, and r air density)

and when it is capable of producing

v but the relative velocity is composed of wind speed, constant for all parts of the blade, and the tangential speed same, as we have seen is variable from Vmax = Rmax. W to zero at the center of rotation. is replacing

speed for a given width b and c _s all constant

; where

and in accordance with the basic knowledge of integral calculus to obtain the sum dM all , must be the integral of dM

and here comes the need to know that the integral of r ³ is r 4 / 4

between the limits of integration that interest us, which means that if I try to know, for example the contribution that has, say the outer half of the blade, just to replace the limits and Rmax Rmax / 2

or to disregard half of the center of the surface swept by the propeller is lost only 6.25% of the torque and hence the total power. Of course, this approach is to be able to continue with a much deeper analysis and making, using criteria, all possible simulations. For example, what if instead of keeping the width of the blade constant "afináramos" toward the end, as it really occurs in almost all the blades of modern wind turbines of high power (the Grandpa, 1939, had a double scoop of constant width)

Here's a version in which the width b hypothetical outside the center of the shaft but to leave a certain percentage tuning As we approached the end, we call t then this wide variable whose function would be:

being k _b eg 2%

Example: a shovel that had 250 mm. of wide at the root has a 2500 mm long. 50mm. unless the root, or end with a width of 200 and would take half 225mm.

in this case, returning to the formula (1)

then

between the limits of integration that we are interested.

is also necessary to add, that the soul, or trunk axis connecting the blade to the hub friction brake produce a forcing also think the same so that, even knowing that does not contribute almost nothing to full power, not so despise the other hand that counters all the progress we have made with these considerations.

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Journal

On Saturday 19 were held in The Assembly of Ecolo Cabrera Air New Sierra Norte , who submitted nominations in ten municipalities in the mountains with that name. Alejandro Sanchez attended to express Equo Foundation support this initiative with Cristina Garcia Moreno, No. 3 on the list to the Assembly of Madrid by Ecolo Greens and the undersigned, candidate for mayor. These people of the Sierra is very active soon make a Plantation and a march against speculation. On Sunday I went to Tres Cantos with bike and dog to participate in the march organized against the golf course. A nice hike up the beautiful oaks that seek to raze the very gulfs. On Monday act in defense of Public Health reviewed in another post and the evening presentation Juantxo book, "Planet of the stupid" in Euskal Etxea. Tuesday morning I recorded in a letter to Foreign Trinidad Jimenez about the brutal repression in Libya. In the afternoon session of the Platform Against Climate Change, prepared by an act in April and the work table municipal campaign. Wednesday Forum for Sustainable Mobility in the act of Equomunidad Utopic_Us ... Greenpeace meeting on Thursday, recording the "Street" BiciCrítica and concentration to the Foreign Ministry to protest the visit of Shimon Peres. On Saturday there is a maneuver against pro ivatización AENA at 12pm at Atocha. Mani Sunday at 11 am at Cibeles Madrid firemen and 12 pm presentation of Ecolo Greens candidates in the room Myl Rumbas, Valdemoro. ... And this has only just begun

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WHAT A PIECE?

Under the terms of the engineering design of a wind turbine is one of the most comprehensive topics. Aeronautical, mechanical, electrical, electronics, meteorology, servomechanisms, microprocessors, communications, etc. All materials are necessary to ensure success. In the manufacturing stage, technologies ranging from perfection for machining and shaving of the teeth of the sprockets to the manufacture of molds for the blades and the subsequent molding fiberglass, carbon or Kevlar.

Choose the most appropriate profile on the aerodynamic point of view involves a significant investment decision in molderería drag of the blades. Making these is one of the most important points of the whole. First, the choice of profile more appropriate in the circumstances by using all the basics and aeronautical experience, with inputs untold hours in research and development to define the best ratio of lift and thrust. Later complete the technical requirements and selection of materials that meet the specifications and as a finishing touch physically realize the production trying to respect the quality standards necessary to withstand the demands of an energy like wind that does not show precisely to be moderate but on the contrary, has often characteristic of catastrophic.

high-speed propellers rotate at a variable speed depending on the diameter of them. The tangential velocity of blade tip has a typical value ranging from 55 to 70 m / s. In this way a wind turbine 30 meters in diameter will rotate at 33 rpm and a 50 to 20 according to the known formula,

and 60 m / sec revolutions are

Centrifugal Force This constant velocity regime of the upper end implies a major centrifugal force, which is known to be dependent on the specific weight of material , why should find materials that strength-to weight is maximized. Centrifugal force is

or also if as stated, v = tangential velocity of blade tip is limited to 60/70 m / sec, v 2 be 4900 m / sec 2 what divided by the radio, say in a wind turbine blade 1 meter implies an acceleration 4900 m / sec2, or nearly 500 times that of gravity, which means that a material whose normal weight is P is multiplied by 500 when it turns to these revolutions. Multiply by 500 the accused weight balance is more than worrisome. No further explanations for why the material must be the lowest possible specific gravity, which is achieved with reinforced plastics p = 1.50 or at most with special aluminum alloy with p = 2.7. If the radio is for giant generators, whose blades can reach over 25 meters, the situation is different since 4900/25 = 190 about 20 times greater than gravity.

Finding these materials is not as difficult as achieving a proper molding, free of faults. There are many variations but in general it is intended that the blade is not solid which is used to fill expanded polystyrene or polyurethane, or better yet completely empty. The lean manufacturing process to produce two shells that are assembled on a sturdy stem. However, the line joining the two shells is a potential risk of breakage. Think of a manufacturing method that allows one piece casting seems utopian, but not impossible and the blades resistance increases so that, once solved the problem is not conceivable to use another method. The accompanying photographs show that possibility, achieved after much effort, and the perfection of form achieved with molding " in one piece .

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Charter right to health of European citizens

The Federation of Associations for the Defence of Public Health presented at the Medical College this initiative has the support of the Ministry of Health of Castilla La Mancha. The idea is to work to harmonize the right to health in all U.S. states, where currently there are huge differences. I have spoken to express my personal reasons for supporting the public health in my HIV positive status, my treatment will cost around 4,000 € a month for Public Health, so that would not be alive simply not having care and free drugs for 18 years. Obviously I have also expressed support for the initiative from Ecolo Greens in my capacity as candidate for mayor of Madrid. How could it be otherwise, my speech has caused sympathy. The economic crisis and neoliberal policies are a threat to public health system, although users do not see it clearly, while still receiving treatment médica.España is one of the European countries with a more advanced Public Health, after U.S. Finlandia.Mientras the tibia more than just Obama's proposed reform progresses and millions of Americans are denied the right to health. It is important to defend our public health system ... our lives are in it a lot. Prevention and efficiency seem to be two good ways to get around him dwindling public funding for health. Notes

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mechanical equilibrium

Take a drive motor shown in Figure 1 for an internal combustion engine to be more real corresponds to a FORD FALCON SP221 (221pulgadas cubic, or even 3 , 62 liters). The curve torque at wide open throttle the carburetor is represented by the red line identified M, yy suppose driven machine is a centrifugal pump whose curve of load torque is identified as M _B .

imagine that the engine is started and the pump begins to rotate. With the rotor stopped only need to overcome the friction, but as that increases the speed of the rotor will begin to exert some resistance. However, as M is greater than M _B there Δ M ; torque boost positive , which will continue to accelerate until the motor curve intersects with the tough, point from which, as M - M _B be negative [Δ M (-)] the pump necessarily be obliged to turn to the number of rpm for the crossing. Note that , although the balance is achieved at that point, the maximum power 221 is much greater even if the pump motor will prevent the further packing. At 3120 rpm, but we try to accelerate (and is wide open throttle) will not exceed this power, 110 HP, although have something left to give almost 140 HP.

To achieve the 140 HP, or should:
a) use another bomb
b ) modify the flow
c) modify the conjunction as coupling with the pump.
The three alternatives must allow the pump curve change to reach the cutting point M , for example, bringing the 3900 even though the pair is smaller, the power will be 130 HP.

We also added the actual curves of torque / speed of an electric induction motor with three pairs of poles, MEZ, 220/380, 50Hz 4HP-950 rpm, with characteristics very different from a motor internal combustion pump operating the same as above and that in itself explains the operating point as we did with the comment 221.Como note that in this case the operation is more "hard" which means that operating point away from the difference between the torque and resistance, for the same increase or decrease in speed is greater in the electric motor which is more abrupt response.

explained Understanding the dynamic balance means to draw attention to the pair, conversely to what happens with many publications to confuse the equilibrium point, or equivalently, equal action reaction with the available power that has nothing to do with balance. To make it simple and serious conceptual confusion as well as the maximum the balance with which we weigh an object with the weight of the object itself. It seems a truism, but this confusion is so common that it should review this talk several times to fully understand the basics. A lover of the "irons", known as "nut" among athletes known to increase the diameter of the tires not conducive to increasing the maximum speed of the car but on the contrary, is reduced unless the amendment is accompanied by a change in the relationship differ, even though the engine and gearbox are the same. In my possession, as a credible witness to this erroneous interpretation, a copy of "Wind characteristics "published by The University of Texas in 1994, (West Texas A & M University). 235 pages with over 270 citations where they commit this unforgivable error.

take to complete the concept of the real case of a car alternator characteristic curve as shown in the chart. Note that, from the ... ... ... low rpm torque. The curve of the motor impulse almost constant and thus from the peak torque of alternator operation becomes unstable, processed without control, unless a speed restriction on the fuel inlet of the carburetor and the engine runs a quarter or half butterfly.

Now imagine the torque corresponding to a wind turbine blades with variable pitch curve as we have seen for a wind of 6 m / sec and a NACA 6712 profile. As we have taken a tough couple asynchronous induction motor as is used in 100% of the cases of systems "grid connection" (see * coupled systems)

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