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A new heat engine with no moving parts is as efficient as a steam turbine（图）
运动部件 新型热机 蒸汽轮机 脱碳电网
2023/6/7
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 p...
Power and efficiency performances of a micro thermal Brownian heat engine with and without external forces
Brownian heat engine power output efficiency current performance characteristics
2010/6/30
Power and efficiency performances of a thermal Brownian heat engine, which consists of Brownian particles
moving in a periodic sawtooth potential with and without external forces and contacting with ...
How do models give us knowledge? The case of Carnot’s ideal heat engine
models modelling representation epistemic artefacts
2009/11/20
Our concern is in explaining how and why models give us useful knowledge. We argue that if we are to understand how models function in the actual scientific practice the representational approach to m...
The Differential Cylinder Heat Engine (DCHE) reported consists of two different size cylinders with pistons where four passages (channels) enable fluid communications between cylinders. The pistons ar...
The Second Law of Thermodynamics in a Quantum Heat Engine Model
second law of thermodynamics entropy quantum heat engine
2007/8/15
2006Vol.45No.3pp.417-420DOI:
The Second Law of Thermodynamics in a Quantum Heat Engine Model
ZHANG Ting,1 CAI Li-Feng,1 CHEN Ping-Xing,1,2 and LI Cheng-Zu1
1 Department...
Performance analysis of an irreversible quantum heat engine working with harmonic oscillators
harmonic oscillators quantum heat engine
2007/6/5
The cycle model of a regenerative quantum heat engine working with many noninteracting harmonic oscillators is established. The cycle consists of two isothermal and two constant-frequency processes. T...