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Article

Impact of Area Contact Between Sensor Bulb and Evaporator Return Line on Modular Refrigeration Unit: Computational and Experimental

[+] Author and Article Information
Saket Karajgikar, Nikhil Lakhkar, Dereje Agonafer

Mechanical and Aerospace Department, The University of Texas at Arlington, Arlington, TX 76010

Roger Schmidt

IBM Corporation, Poughkeepsie, NY

J. Heat Transfer 127(1), 95-100 (Feb 15, 2005) (6 pages) doi:10.1115/1.1839585 History: Received May 06, 2004; Revised September 19, 2004; Online February 15, 2005
Copyright © 2005 by ASME
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References

Schmidt,  R., 2000, “Low Temperature Electronic Cooling,” Electronics Cooling Magazine,6, No. 3.
Tummala, R. R., ed., 2001, Fundamentals of Micro Systems Packaging, McGraw-Hill, New York.
Bar-Cohen, A., Kraus, A. D., and Davidson, S. F., 1983, Thermal Frontiers in the Designing and Packaging of Microelectronic Equipment, ASME, New York.
McQuiston, F. C., Parker, J. D., and Spitler, J. D., 2004, Heating, Ventilating and Air Conditioning, Wiley, New York.
Cengel, Y. A., and Boles, M. A., 2002, Thermodynamics An Engineering Approach-4th ed., McGraw-Hill, New York.
Wedekind, G. L., and Stoecker, W. F., 1966, “Transient Response of the Vapor Transition Point in Horizontal Evaporator Flow,” Fourth Technical Session of the ASHRAE 73rd Annual Meeting, Toronto, Canada.
Ibrahim, G. A., 1998, “Theoretical Investigation Into Instability of a Refrigeration System With an Evaporator Controlled by a Thermostatic Expansion Valve,” Can. J. Chem. Eng., p. 722–727.
Danning, P., 1992, “Liquid-Feed Regulation by Thermostatic Expansion Valve,” J. Refrig.
Kulkarni, A., Mulay, V., Agonafer, D., and Schmidt, R., 2002 “Effect of Thermostatic Expansion Valve Characteristics on the Stability of Refrigeration System Part-I,” ITHERM 2002, San Diego.

Figures

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IBM S/390 G4 CMOS system 9
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Vapor compression refrigeration system 9
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Typical vapor-compression refrigeration cycle 5
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T–s diagram for vapor-compression refrigeration cycle 5
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Schematic diagram of experimental setup
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Actual experimental bench 9
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750 W load superheat comparison
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1000 W load superheat comparison
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Cylinders in area contact
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Graph of heat flux versus distance between centers
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Sensor bulb attached to evaporator return line
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No load superheat comparison
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250 W load superheat comparison
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500 W load superheat comparison

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