Optimization analysis of an endoreversible quantum heat engine with efficient power function

被引:1
作者
Kaur, Kirandeep [1 ]
Jain, Anmol [2 ]
Singh, Love Sahajbir [2 ]
Singla, Rakesh [3 ]
Rebari, Shishram [3 ]
机构
[1] Indian Inst Sci Educ & Res Mohali, Dept Phys Sci, Sect 81, Manauli 140306, Punjab, India
[2] Dr BR Ambedkar Natl Inst Technol, Dept IT, Jalandhar 144027, India
[3] Dr BR Ambedkar Natl Inst Technol Jalandhar, Dept Phys, Jalandhar 144027, Punjab, India
关键词
optimal performance; efficient power function; efficiency; etochastic simulations; quantum endoreversible engine; FINITE-TIME; THERMODYNAMICS; PERFORMANCE; CRITERION; MODEL;
D O I
10.1515/jnet-2023-0082
中图分类号
O414.1 [热力学];
学科分类号
摘要
We study the optimal performance of an endoreversible quantum dot heat engine, in which the heat transfer between the system and baths is mediated by qubits, operating under the conditions of a trade-off objective function known as the maximum efficient power function defined by the product of power and efficiency of the engine. First, we numerically study the optimization of the efficient power function for the engine under consideration. Then, we obtain some analytic results by applying a high-temperature limit and compare the performance of the engine at maximum efficient power function to the engine operating in the maximum power regime. We find that the engine operating at maximum efficient power function produces at least 88.89 % of the maximum power output while at the same time reducing the power loss due to entropy production by a considerable amount. We conclude by studying the stochastic simulations of the efficiency of the engine in maximum power and maximum efficient power regime. We find that the engine operating at maximum power is subjected to fewer power fluctuations as compared to the one operating at maximum efficient power function.
引用
收藏
页码:251 / 263
页数:13
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