The efficiency of a Carnot engine is treated for the case where the power output is limited by the rates of heat transfer to and from the working substance. It is shown that the efficiency, η, at maximum power output is given by the expression η = 1 (T2/T1)1/2 where T1 and T2 ...
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Second, we will introduce an ideal heat engine which operates fully reversibly, known as the Carnot engine. We will show that even for the Carnot engine, the efficiency is less than 100%. Third, we will discuss the theorem of Carnot and the Corollary to this theorem. Fourth, we will ...
Homework Statement A Carnot engine uses hot and cold reservoirs that have temperatures of 1684 and 842 K, respectively. The input heat for this engine...
A Carnot engine is a theoretical engine that operates on the Carnot cycle. Carnot engine estimates the maximum possible efficiency that a heat engine during the conversion process of heat into work and, conversely, working between two reservoirs can poss
The efficiency of an HFC is the fraction of the energy in hydrogen that is converted into useful electrical power. Since an HFC system is not a heat engine, its efficiency is not confined by the Carnot cycle, and hence the HFC efficiency is relatively high. Based on the Carnot theorem, ...
Study on thermodynamics of the Carnot cycle and CARNOT theorem is of great theoretical and practical significance. It solves the heat efficiency of heat engine limits problems, and, in principle, to propose ways of improving efficiency. Between the same heat source and heat sink, thermal efficiency...
A 3250 km aircraft takes 12.5 minutes to achieve its cruising altitude of 10 km and cruising speed of 850 km/h. If the plane's engines deliver, on the average, 1500 hp of power during this time, what is the efficiency of the engines?Homework...
ηclosed cycle = ηcombustion·ηthermodynamic ηopen cycle is the open cycle efficiency, the open cycle being the part of the 4-stroke cycle when the intake or exhaust valves are open. ηopen cycle = ηgas exchangeIt should be noted that this discussion of engine efficiency is from the ...
Net efficiency of a cascaded Carnot Engine and Fridge Here is a diagram of my interpretation of the problem: Where I'm thinking that the engine originally takes heat from ##T_h## to ##T_l##, in which case ## \frac { Q_{h} } { T_{h} } = \frac { Q_{l} } { T_{l}...