Summary
In this work, an energy analysis of vapor compression refrigeration system (VCRS) using R134a and LPG refrigerant mixture as an alternative to R134a is carried out. Performance tests were performed with different evaporator and condenser temperatures under controlled ambient conditions. The results showed that R134a and LPG refrigerant mixture has higher coefficient of performance than R134a by about 15.1–17.82%. Mathematical and ANFIS models validated by experimental data were developed to predict the energetic performance of VCRS. It was found that mathematical and ANFIS models predictions agreed well with experimental results and brought out the absolute fraction of variance in range of (0.9253–0.9567 and 0.9953–0.9961), root mean square error in range of (0.0167–7.688 and 0.0018–1.025) and mean absolute percentage error in range of (0.606–2.243 % and 0.103–0.362 %) respectively. The results suggest that ANFIS models show better statistical prediction efficiency.
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Details
- Original title: An applicability of ANFIS approach for depicting energetic performance of VCRS using mixture of R134a and LPG as refrigerant.
- Record ID : 30022902
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 85
- Publication date: 2018/01
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.10.012
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Indexing
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Themes:
Compression systems;
HFCs;
Blends;
LNG and LPG - Keywords: R134a; Performance; Model; Mixture; LPG; Energy efficiency
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Energy analysis of vapor compression refrigerat...
- Author(s) : GILL J., SINGH J.
- Date : 2017/12
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
- Formats : PDF
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Performance analysis of vapor compression refri...
- Author(s) : GILL J., SINGH J.
- Date : 2017/10
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
- Formats : PDF
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Use of artificial neural network approach for d...
- Author(s) : GILL J., SINGH J.
- Date : 2018/02
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
- Formats : PDF
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LPG mixed with air as a precursor to natural gas.
- Author(s) : KRAJINA B., KOLUNDZICX S.
- Date : 1994
- Languages : Croatian
- Source: Nafta - vol. 45 - n. 2
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Evolution and optimization of the dual mixed re...
- Author(s) : KHAN M. S., KARIMI I. A., LEE M.
- Date : 2016/03/05
- Languages : English
- Source: Applied Thermal Engineering - vol. 96
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