Generation of Heat Transfer Coefficient Data in Regenerator for Stirling Cycle Refrigeration System
Narendra N. Wadaskar1, S.K. Choudhary2, R.D. Askhedkar3
1Narendra N Wadaskar, Ph.D. Scholar, Department of Mechanical Engineering, Nagpur University, (Maharashtra), India.
2Dr. S.K. Choudhary, Professor, Department of Mechanical Engineering, K.D.K College of Engineering, Nagpur (Maharashtra), India.
3Dr. R.D. Askhedkar, Ex-Principal Professor, K.D.K College of Engineering, Nagpur Ex-V.R.C.E Nagpur (Maharashtra), India.
Manuscript received on 16 August 2019 | Revised Manuscript received on 28 August 2019 | Manuscript Published on 06 September 2019 | PP: 698-705 | Volume-8 Issue- 6S, August 2019 | Retrieval Number: F11360886S19/19©BEIESP | DOI: 10.35940/ijeat.F1136.0886S19
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Abstract: This paper attempts to generate the data of heat transfer coefficient for regenerator in stirling cycle refrigeration system on the basis of available experimental data. The available data is based on assumption that the mode of heat transfer in regenerator is conduction. This data does not produce optimal design of regenerator. Heat transfer coefficient must be modified to account for heat transfer in a regenerator by all three modes i.e conduction, convection & radiation. The data for heat transfer coefficient is generated on the basis of experimental results available in literature of performance of various stirling cycle refrigeration systems with different designs of regenerator. These models can be used to predict the performance of stirling cycle refrigerator system on the basis of dimensions of regenerator. The models are validated and optimized. This paper also presents the effect of variations in regenerator dimensions i.e. regenerator length, regenerator diameter, wiremeshsize, wire mesh arrangement, and wire mesh materialonHeat Transfer coefficient of regenerator. This data for heat transfer coefficient for regenerator of Stirling cycle refrigeration system can be used for optimizing design of regenerator of stirling cycle refrigeration system or predicting performance of stirling cycle system accurately. 
Keywords: Regenerator, Performance, Regenerator Length, Regenerator Diameter, Optimal Value, Regenerator, Heat Transfer Coefficient.
Scope of the Article: Heat Transfer