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Your search keyword '"Jizhou He"' showing total 3 results
Start Over Author "Jizhou He" Journal journal of non-equilibrium thermodynamics
3 results on '"Jizhou He"'

1. Quantum Degeneracy Effect on the Performance of a Bose Ericsson Refrigeration Cycle

Author

Jincan Chen, Jizhou He, and Bihong Lin

Subjects
Condensed Matter::Quantum Gases, Physics, Ideal (set theory), Bose gas, Physics::Instrumentation and Detectors, Astrophysics::Instrumentation and Methods for Astrophysics, General Physics and Astronomy, Industrial chemistry, Thermodynamics, Refrigeration, General Chemistry, Coefficient of performance, Physics::Classical Physics, Ideal gas, Computer Science::Other, Degeneracy (mathematics), Quantum
Abstract

The Ericsson refrigeration cycle working with an ideal Bose gas is called the Bose Ericsson refrigeration cycle. The effect of quantum degeneracy on the performance of the cycle is investigated, based on the thermodynamicproperties of an ideal Bose gas. The inherent regenerative losses of the cycle are analyzed, and the coefficient of performance and the refrigeration load of the cycle are calculated. The results obtained here are compared with those derived from the classical Ericsson refrigeration cycle using an ideal gas as the working substance General performance characteristics of the Bose Ericsson refrigeration cycle are revealed.

Published
2003

3. Heat-Transfer Effect on the Performance of a Magnetic Ericsson Refrigerator.

Author

Jizhou He, Jincan Chen, and Chih Wu

Subjects
*HEAT transfer, *COOLING, *HEAT radiation & absorption, *REFRIGERATORS, *REFRIGERATION & refrigerating machinery
Abstract

The irreversibilities resulting from the finite-rate heat transfer between the working substance and the external heat reservoirs and the regenerative losses in regenerative processes are considered in the cycle model of a magnetic Ericsson refrigerator. The fundamental optimum relations between the cooling rate and the coefficient of performance and between the power input and the coefficient of performance are derived, based on a class of heat-transfer laws and the Curie law. The general characteristic curves of the cycle are presented. The effect of the different forms of the regenerative time and heat-transfer laws on the performance of the cycle is discussed in detail. The results obtained here will be useful to further understand the general optimum performance of real magnetic Ericsson refrigerators. [ABSTRACT FROM AUTHOR]

Published
2002
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