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Thermoacoustic cooling with no refrigerant
Published 2011“…Thermoacoustic cooling as an environmentally friendly refrigeration system is one of the research areas being pursued. …”
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Environmentally friendly refrigeration with thermoacoustic
Published 2006“…In this research, theoretical, numerical and experimental studies were completed to identify optimum operating conditions for the design, fabrication, and operation of a thermoacoustic refrigerator. The system uses no refrigerant or compressor, and the only mechanical moving part is the loudspeaker connected to a signal generator that produces the acoustics. …”
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Monograph -
3
Counter-top thermoacoustic refrigerator - an experimental investigation
Published 2009“…Thermoacoustic phenomenon is a new alternative refrigeration technology. Though design and fabrication is complex for getting the desired effect, it is environmentally friendly and successful system showed that it is relatively easy to run compared to the traditional vapor compression refrigeration system. …”
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4
Single-objective optimization of a thermoacoustic refrigerator
Published 2014“…This paper reports the results of an optimization scheme on the coefficient of performance (COP) of a standing wave thermoacoustic refrigerator based on genetic algorithm. The environmentally friendly refrigerator operates without any CFCs, which has been associated with the depletion of ozone, a substance that prevents uv light from reaching the earth’s atmosphere. …”
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5
Environmentally friendly thermoacoustics refrigeration: theory and applications
Published 2015“…For thermoacoustics technology, numerous reports have established the refrigeration applications of thermoacoustic cooling without compressors and refrigerants. …”
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6
Single-objective optimization of a thermoacoustic refrigerator
Published 2014“…This paper reports the results of an optimization scheme on the coefficient of performance (COP) of a standing wave thermoacoustic refrigerator based on genetic algorithm. The environmentally friendly refrigerator operates without any CFCs, which has been associated with the depletion of ozone, a substance that prevents UV light from reaching the earth’s atmosphere. …”
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7
Performance of natural refrigerants in two phase flow
Published 2016“…The search for alternative environmentally friendly refrigerants have never been so crucial with the increasing demand for effective cooling of increasing miniaturization of our heat exchanging devices in the ever expanding air-conditioning and refrigeration industry. …”
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8
Optimized heat exchanger unit in a thermoacoustic refrigerator
Published 2012“…Due to concern over the environmental impact caused by hazardous refrigerants, the last ten years or so has seen increasing research into thermoacoustic refrigeration. …”
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Optimization of a thermoacoustic refrigerator with an evolutionary algorithm approach
Published 2016“…Current non-environmentally friendly refrigerants released into our environment have caused serious concern over reports of the depleting of the ozone layer and global warming. …”
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10
Simultaneous optimization of four parameters in the stack unit of a thermoacoustic refrigerator
Published 2014“…Thermoacoustic refrigerators are environmentally friendly cooling systems that use no refrigerants. …”
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Effects of the optimized resonator dimensions on the performance of the standing-wave thermoacoustic refrigerator
Published 2014“…Thermoacoustic refrigerator is an alternative cooling system, which is environmentally safe due to the absence of any refrigerants. …”
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12
Investigation of the minimized pressure drop of four refrigerants in a small channel with genetic algorithm
Published 2015“…Awareness towards the ozone-depleting Chlorofluorocarbons (CFCs) refrigerants has led researchers to investigate alternative refrigerants which are more environmentally friendly. …”
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Two-phase heat transfer microchannel system identification with particle swarm optimization (PSO) approach.
Published 2023“…Environmentally friendly propane is currently being considered as a replacement for hazardous coolants in available refrigeration and air-conditioning systems. This paper reports a system identification (SI) analysis of the collected experimental data of two-phase flow of refrigerant R290 in a microchannel test rig. …”
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14
Four-variable simultaneous optimization of the cooling and acoustic power with particle swarm optimization
Published 2020“…The low performance of the thermoacoustic refrigerator has made it uncompetitive to currently available refrigeration systems and hence its path towards commercialization is being restricted. …”
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An optimization approach in the development of a new correlation for two-phase heat transfer coefficient of R744 in a microchannel
Published 2022“…To date, no single method has been found to satisfactorily predict the two-phase heat transfer coefficient of R744 refrigerant in small channels. Studies are continuously being done to obtain a coefficient with acceptable mean absolute error (MAE) which measures the difference between the predicted and experimentally determined coefficient values. …”
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Optimization of the friction factor and frictional pressure drop of R22 and R290
Published 2015“…Today, the air-conditioning and refrigeration industry is still searching for the environmentally friendly refrigerants that could replace the hazardous coolants that are ozone depleting – refrigerants that behave similarly, if not better than the present ones. …”
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Geometry effects on cooling in a standing wave cylindrical thermoacousic resonator
Published 2012“…Numerous reports have established the refrigeration applications of thermoacoustic cooling without compressors and refrigerants. …”
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18
Prediction of the heat transfer coefficient in a small channel with the superposition and asymptotic correlations
Published 2018“…The optimization work served as an alternative approach in identifying optimized parameters from different correlations to achieve high heat transfer coefficient by giving a fast prediction of parameter range, particularly for the investigation of any new refrigerant. In parallel with some experimental works, a quick prediction is possible to reduce time and cost. …”
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Analysis of thermo acoustic stack geometry
Published 2008“…With almost no moving parts, no hazardous refrigerants, and considered as “low technology” with no critical dimensions, a thermo acoustic cooling system may indeed be the answer to the ecological threat posed by the production of harmful refrigerants that is related to global warming and the thinning of the ozone layer. …”
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20
Modeling of the minimized two-phase frictional pressure drop in a small tube with different correlations
Published 2015“…Experimental test-rigs have varied in channel geometry, refrigerant type, and flow conditions. Thousands of data have been collected to find a common point among the differences. …”
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Conference or Workshop Item