TY - GEN
T1 - Pressure based prediction of spray cooling heat transfer coefficients
AU - Some, Thierry
AU - Lehmann, Eckhard
AU - Sakamoto, Hitoshi
AU - Kim, Jungho
AU - Chung, Jin Taek
AU - Steinthorssen, Erlendur
N1 - Publisher Copyright:
Copyright © 2007 by ASME.
PY - 2007
Y1 - 2007
N2 - An important goal of spray cooling research is the ability to predict local heat transfer coefficient from the spray hydrodynamics. It is postulated in this work that the local pressure is the controlling parameter for local heat transfer coefficient. To test this hypothesis, local pressure and heat transfer data were obtained for a 1x1, 1x2, and 2x2 arrays of hollow cone sprays at two pressures and three standoff distances. A correlation between the pressure and heat transfer coefficient was determined, then used to "predict" the heat transfer coefficient from the pressure data. The local variations in heat transfer coefficient were captured well using this technique, and the area-averaged heat transfer coefficient could be predicted within 12.6%. The technique needs to be verified with different nozzles and fluids over a wider range of conditions.
AB - An important goal of spray cooling research is the ability to predict local heat transfer coefficient from the spray hydrodynamics. It is postulated in this work that the local pressure is the controlling parameter for local heat transfer coefficient. To test this hypothesis, local pressure and heat transfer data were obtained for a 1x1, 1x2, and 2x2 arrays of hollow cone sprays at two pressures and three standoff distances. A correlation between the pressure and heat transfer coefficient was determined, then used to "predict" the heat transfer coefficient from the pressure data. The local variations in heat transfer coefficient were captured well using this technique, and the area-averaged heat transfer coefficient could be predicted within 12.6%. The technique needs to be verified with different nozzles and fluids over a wider range of conditions.
UR - http://www.scopus.com/inward/record.url?scp=44249119414&partnerID=8YFLogxK
U2 - 10.1115/IMECE2007-42676
DO - 10.1115/IMECE2007-42676
M3 - Conference contribution
AN - SCOPUS:44249119414
T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
SP - 1131
EP - 1138
BT - Heat Transfer, Fluid Flows, and Thermal Systems
PB - American Society of Mechanical Engineers (ASME)
T2 - ASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007
Y2 - 11 November 2007 through 15 November 2007
ER -