Design, Simulation, And Test Results Of A Heat-Assisted Three-Cylinder Stirling Heat Pump (C-3).pdf

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DESIGN, SIMULATION, AND TEST RESULTS OF
A HEAT-ASSISTED THREE-CYLINDER
STIRLING HEAT PUMP (C-3)
Sumio Ya yu & lchiro Fujishima
KU1 OTA Corporation
1-1, Hama 1-Chome, Amagasaki, Hyogo 661, Japan
(+81)-6-494-7561, faX (+81)-6-494-7694
John Corey
Clever Fellows Innovation Consortium, Inc.
302 Tenth St., Troy, NY 12180
51 8-272-3565, fax 51 8-272-3582
Naotsugu lsshiki & lsao Satoh
Tokyo Institute of Technology
12-1, 0-Okayama 2-Chome, Meguro-ku, Tokyo 152, Japan
(+81)-3-5734-3238, fax (+81)-3-3729-0587
ABSTRACT or thermal power. In this heat-assistedStirling heat pump, by
This paper describes recent results in aproject at KUBOTA to proportioning the two energy sources to match the
develop a gas engine-driven Stirling heat pump using both characteristics of the driving engine, the heat pump is supplied
engine shaft power and engine exhaust heat source. The with the maxinium share of the original energy fueling the
design, simulation, and test results of the third prototype engine. ?his freon-free system is expected to produce cooling
three-cylinder machine (C-3) are presented. The three- and heating water at high COP.
cylindermachine is modeled as bination of two Stirling Otomo and et al. (1996) have been performing experiments
sub-systems, one a power producer and one a heat pump. on a similar three-cylinder machin