คณาจารย์ประจำคณะวิศวกรรมศาสตร์ » รองศาสตราจารย์ ดร. วรเชษฐ์ ภิรมย์ภักดิ์

Research Focus

Assoc. Prof. Dr. Worachest Pirompugd’s research centers on heat and mass transfer in fin-and-tube heat exchangers, with particular attention to how surface wetting under dehumidifying conditions changes fin efficiency and exchanger performance. His work has produced widely cited reduction methods — including the finite circular fin method — for predicting heat and mass transfer in plain and wavy fin-and-tube exchangers, along with correlations for the wet surface ratio these systems exhibit under partial and full condensation. This sits at the intersection of fluid mechanics, thermal engineering, and refrigeration/air-conditioning equipment design, matching his listed expertise in fluid mechanics, heat transfer, two-phase flow, and heat exchangers.

Selected Publications

• “Simultaneous heat and mass transfer characteristics for wavy fin-and-tube heat exchangers under dehumidifying conditions” — International Journal of Heat and Mass Transfer, 2006. Link
• “Finite circular fin method for heat and mass transfer characteristics for plain fin-and-tube heat exchangers under fully and partially wet surface conditions” — International Journal of Heat and Mass Transfer, 2007. Link
• “A review on reduction method for heat and mass transfer characteristics of fin-and-tube heat exchangers” — International Journal of Heat and Mass Transfer, 2009. Link
• “Partially wet fin efficiency for the longitudinal fins of rectangular, triangular, concave parabolic, and convex parabolic profiles” — Journal of the Franklin Institute, 2013. Link

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