HEAT TRANSFER AT PROPANE POOL BOILING AND EVAPORATION IN CAPILLARY-POROUS EVAPORATORS

Vasiliev, Leonard L.; Zhuravlyov, Alexander S.; Novikov, Mikhail  N.; Shapovalov, Alexander; Litvinenko, Vitali

Advances in Heat Transfer Engineering

ISBN 印刷: 1-56700-198-1

HEAT TRANSFER AT PROPANE POOL BOILING AND EVAPORATION IN CAPILLARY-POROUS EVAPORATORS

Leonard L. Vasiliev Porous Media Laboratory Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus 15, Str. P.Brovka, 220072 Minsk, Belarus

Alexander S. Zhuravlyov Porous Media Laboratory Luikov Heat and Mass Transfer Institute National Academy of Sciences of Belarus, P. Brovka Str. 15,220072 Minsk, Republic of Belarus

Mikhail N. Novikov Luikov Heat & Mass Transfer Institute, National Academy of Sciences of Belarus, Porous Media Laboratory, P. Brovka Str. 15, 220072 Minsk, Belarus

Alexander Shapovalov Porous Media Laboratory, A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus

Vitali Litvinenko Gomel State Technical University, Gomel, Belarus

要約

Pool boiling and evaporation heat transfer of propane on cylindrical surfaces with stainless steel sprayed and sintered copper powder porous coatings experimentally analyzed at the heal flux ranges 10² to 10⁵ W/m². Evaporative heal transfer of propane on the same porous cylindrical surfaces with capillary suction was determined to compare with the pool boiling intensity. It depends on permeability, porosity, thermal conductivity of the capillary-porous structure and in some cases is 2−3 times higher than pool boiling heal transfer for the same heat flux interval.

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