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Steady State and Cycling Performance of a Typical R134a Mobile A/C System
Technical Paper
1999-01-1190
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper presents experimental results on the performance of an a/c system with orifice tube for a typical compact car. Tests were conducted over a wide range of operating conditions, covering both steady state and cycling. The test matrices are presented and discussed. Special care was taken to understand the cycling conditions and the way to determine energy efficiency in this operating mode. The system test facilities and component instrumentation designed to achieve that goal are described.
The paper also discusses issues related to the design of experiments and facilities for such comparisons.
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Authors
- Y. C. Park - Air Conditioning and Refrigeration Center (ACRC), University of Illinois
- R. McEnaney - Air Conditioning and Refrigeration Center (ACRC), University of Illinois
- D. Boewe - Air Conditioning and Refrigeration Center (ACRC), University of Illinois
- J. M. Yin - Air Conditioning and Refrigeration Center (ACRC), University of Illinois
- P. S. Hrnjak - Air Conditioning and Refrigeration Center (ACRC), University of Illinois
Citation
Park, Y., McEnaney, R., Boewe, D., Yin, J. et al., "Steady State and Cycling Performance of a Typical R134a Mobile A/C System," SAE Technical Paper 1999-01-1190, 1999, https://doi.org/10.4271/1999-01-1190.Also In
References
- Yin, J. Park, Y. C. Boewe, D. McEnaney, R. Beaver, A. Bullard, C. W. Hrnjak, P. S. 1998 Experimental and Model Comparison of Transcritical CO 2 versus R134a and R410 System Performance Natural Working Fluids ‘98, IIR - Gustav Lorentzen Conference Oslo 331 340
- McEnaney, R.P. Boewe, D.E. Yin, J. M. Park, Y. C. Bullard, C. W. Hrnjak, PS. 1998 Experimental Comparison of Mobile A/C Systems when Operated With Transcritical CO 2 Versus Conventional R134a 1998 International Refrigeration Conference Purdue 145 150
- Bhatti, M.S. 1997 A Critical Look at R-744 and R-134a Mobile Air Conditioning Systems SAE paper 970527 , SAE Congress Proceeding, 117 141
- Sand, J.R. Fischer, S.K. Baxter, V.D. 1997 Energy and global warming impact of HFC refrigerants and emerging technologies A report of study sponsored by the Alternative Fluorocarbons Environmental Acceptability Study (AFEAS) and the U.S. Department of Energy