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Due to the high rate of heat transfer, especially heat transfer coefficient, which is produced by welding and condensing processes, heat pipes are considered as one of the most efficient and effective heat transfer equipment. In this paper, we aimed to provide a parametric study on the thermodynamics impact of natural gas in heat pipes and regular tubes in heat transfer processes.  R 410A and  R2  are used as working fluid through the heating processes, and their considerable influence on the thermodynamic properties was investigated in both outlet and inlet. According to the results of this study, heat pipes can provide fewer energy performances in the thermal, electrical and total section which indicated that heat pipes would be a good substitution for regular tubes in heat exchangers. As pressure drop decreases by the gas flow rate decrease, it has provided better efficiency in both regular tubes and heat pipes. Furthermore,  R410A  has better performance rather than  R2  in both heat pipes and regular tubes in inlets and outlets.

Impact of heat pipes on the thermodynamics properties of natural gas in heat exchangers