thermodynamic efficiency वाक्य
उदाहरण वाक्य
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- In 1973, a team from Argonne laboratories stated that the thermodynamic efficiency of the magnetic direct conversion cycle from alpha-particle energy to work is 62 %.
- Finally, the optimum research paths that might lead to systems which greatly exceed the thermodynamic efficiencies and other capabilities of biological systems cannot be reliably predicted at this time.
- The thermodynamic efficiency of the Hadley system, considered as a heat engine, has been relatively constant over the 1979 ~ 2010 period, averaging 2.6 %.
- Nor is current efficiency the same as thermodynamic efficiency, since it never address the how much energy ( potential in volts ) is in the electrons added or removed.
- An intercooler reduces the thermodynamic efficiency by losing the heat ( power ) introduced by compression, but increases the power available because of the increased working mass for each cycle.
- Additionally, the high temperature of the liquid metal can be used to produce vapour at higher temperature than in a water cooled reactor, leading to a higher thermodynamic efficiency.
- Despite low vapor pressure ( 11 bar ) and low temperature ( 185 �C ), this achieved a considerable output of 370 kW and a thermodynamic efficiency of 62 %.
- Nevertheless, they may become internally fouled during operation by bacteria or algae in the cooling water or by mineral scaling, all of which inhibit heat transfer and reduce thermodynamic efficiency.
- An early cutoff has greater thermodynamic efficiency but results in a lower Mean effective pressure so less average force on the piston and is used for running the engine at higher speeds.
- In the early 1930s, diesel engines seemed to offer several advantages in such situations, particularly better reliability because of greater mechanical simplicity and lower fuel consumption, because of greater thermodynamic efficiency.
- With direct fuel injection and a sump-based lubrication system, a two-stroke engine produces air pollution no worse than a four-stroke, and it can achieve higher thermodynamic efficiency.
- For the 15 litre diesel example, the acoustic power generated from engine surfaces is of the order of a few tens of watts at most and is always ignored in engine thermodynamic efficiency calculations.
- However, one key advantage of pyroelectrics over thermoelectrics is that many pyroelectric materials are stable up to 1200 p C or higher, enabling energy harvesting from high temperature sources and thus increasing thermodynamic efficiency.
- The lowering of ambient pressure however, lowers the thermodynamic efficiency of combustion ( think of it the other way around where the higher the compression ratio in an infernal combustion engine, the higher the efficiency ).
- Electric motors are better still, at around 85-90 % efficiency or more, but they rely on an external power source ( often another heat engine at a power plant subject to similar thermodynamic efficiency limits ).
- Some advanced reactor designs being studied, such as the very high temperature reactor, advanced gas-cooled reactor and supercritical water reactor, would operate at temperatures and pressures similar to current coal plants, producing comparable thermodynamic efficiency.
- The Chevrolet Volt is expected to achieve 50 MPGe when running on the auxiliary power unit ( a small onboard generator ) at 33 % thermodynamic efficiency that would mean 12 kWh for, or about 240 watt-hours per mile.
- :I also, now that I think about it, have an engineering textbook that gives data on the thermodynamic efficiency of animals ( ie calorific value of food eaten vs mechanical power output )-I will post again later.
- :" Although theoretical calculations can be made today, the eventually attainable range of chemical reaction cycles, error rates, speed of operation, and thermodynamic efficiencies of such bottom-up manufacturing systems cannot be reliably predicted at this time.
- The steam turbine is a form of heat engine that derives much of its improvement in thermodynamic efficiency from the use of multiple stages in the expansion of the steam, which results in a closer approach to the ideal reversible expansion process.
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