Paper: Lubricant Retention in a R410A Microchannel Evaporator and Its Effects on Heat Transfer and Pressure Drop (OR-16-C014) (2016 ASHRAE Winter Conference)

2 Lubricant Retention in a R410A Microchannel Evaporator and Its Effects on Heat Transfer and Pressure Drop (OR-16-C014)

Sarath Mulugurthi, Oklahoma State University

Ardiyansyah Yatim, Oklahoma State University

Lorenzo Cremaschi, Ph.D., Auburn University

In this paper, the oil retention in a microchannel type evaporator was measured and its effects on heat transfer and pressure drop characteristics are presented. The microchannel heat exchanger was a single pass, aluminum louvered-fin type evaporator with multi-port microchannel tubes installed vertically.

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