Mukkamala, YagnavalkyaDirker, Jaco2025-06-102025-06-102024Yagnavalkya Mukkamala & Jaco Dirker (2024) Empirical Modeling and Meta-analysis of Heat Transfer in Plate Heat Exchangers, Heat Transfer Engineering, 45:16, 1389-1411, DOI: 10.1080/01457632.2023.2260524.0145-7632 (print)1521-0537 (online)10.1080/01457632.2023.2260524http://hdl.handle.net/2263/102744Plate heat exchangers provide a compact and efficient alternative to bulky and spacious shell-and-tube heat exchangers. With numerous plates and flow passages, plate heat exchangers increase the flow transit time and enhance hot-fluid-to-cold fluid contact promoting higher heat transfer rates than conventional designs. Plate condensers and evaporators offer cost-effective, compact, and highly efficient alternatives to traditional surface condensers and evaporators. This article reports the empirical modeling and meta-analysis of over two-thousand heat transfer data compiled from thirty-five experimental investigations in the past three decades. The predictive correlations validated against an extensive database should be helpful to the industry and academia. Meta-analysis of the phase-change heat transfer data was statistically insignificant, and the current practice of deploying plate heat exchangers should be encouraged.en© 2023 Taylor & Francis Group, LLC. This is an electronic version of an article published in Heat Transfer Engineering, vol. 45, no. 16, pp. 1389-1411, 2024. doi : 10.1080/01457632.2023.2260524. Heat Transfer Engineering is available online at : http://www.tandfonline.comloi/uhte20.Plate heat exchanger (PHE)Heat transferPlate condensersEvaporatorsEmpirical modelingMeta-analysisPostprint Article