LAUSR

Abstract This paper quantifies the pool boiling performance of R1336mzz(Z) on a flattened, horizontal Turbo-ESP surface for air-conditioning and industrial heat recovery applications for heat fluxes between roughly 10 kWm−2 and 120 kWm−2. The R1336mzz(Z) pool boiling curve was measured for three saturation temperatures and exhibited the best performance with respect to saturation temperature near the middle saturation temperature of 298.1 K. The study showed that the boiling performance of R1336mzz(Z) on the Turbo-ESP did not differ statistically from that of R123 for heat fluxes between 13 kWm−2 and 59 kWm−2. For heat fluxes larger than 59 kWm−2, the R123 boiling heat flux was up to 5% larger than the heat flux for R1336mzz(Z). A pool boiling model was modified to include a convective term and was used to predict boiling heat transfer for the test refrigerants on the Turbo-ESP surface, mostly, to within ±0.5 K.