TY - JOUR
T1 - Measurement of the convective heat transfer coefficient of the human body in the lift-up design
AU - Zhou, Siqi
AU - Niu, Jianlei
N1 - Funding Information:
This research was supported by the Ph.D. studentship funded by The Hong Kong Polytechnic University. The author would like to thank Mr. Kenny Huang, Mr Billy Yan, and Dr Hui Tang for their help with the calibration of the ultrasonic anemometers.
Publisher Copyright:
© The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/)
PY - 2022/8/31
Y1 - 2022/8/31
N2 - So far, the research on the convective heat transfer coefficient (hc) in outdoor thermal comfort has mainly employed CFD simulation and wind tunnel experiments, which are difficult to fully restore the complex microclimate wind environment. In the traditional thermal comfort model, the influence of turbulence intensity (TI) on the hc might be underestimated. This study aims to measure the hc of the human body surface in the outdoor environment. A thermal manikin was placed in a lift-up building. The ambient wind speed ranged from 0.5m/s to 4m/s, with the TI ranging from 4% to 55%. The experimental results show that under the same wind speed, the difference in hc between high and low TI can be up to 15%. Based on that, the regression formula for predicting hc related to wind speed and TI was proposed. This experimental study supplements the lack of field measurement of hc in outdoor thermal comfort research, which is helpful to improve the accuracy of the outdoor thermal comfort model.
AB - So far, the research on the convective heat transfer coefficient (hc) in outdoor thermal comfort has mainly employed CFD simulation and wind tunnel experiments, which are difficult to fully restore the complex microclimate wind environment. In the traditional thermal comfort model, the influence of turbulence intensity (TI) on the hc might be underestimated. This study aims to measure the hc of the human body surface in the outdoor environment. A thermal manikin was placed in a lift-up building. The ambient wind speed ranged from 0.5m/s to 4m/s, with the TI ranging from 4% to 55%. The experimental results show that under the same wind speed, the difference in hc between high and low TI can be up to 15%. Based on that, the regression formula for predicting hc related to wind speed and TI was proposed. This experimental study supplements the lack of field measurement of hc in outdoor thermal comfort research, which is helpful to improve the accuracy of the outdoor thermal comfort model.
UR - http://www.scopus.com/inward/record.url?scp=85146891848&partnerID=8YFLogxK
U2 - 10.1051/e3sconf/202235603001
DO - 10.1051/e3sconf/202235603001
M3 - Conference article
AN - SCOPUS:85146891848
SN - 2555-0403
VL - 356
JO - E3S Web of Conferences
JF - E3S Web of Conferences
M1 - 03001
T2 - 16th ROOMVENT Conference, ROOMVENT 2022
Y2 - 16 September 2022 through 19 September 2022
ER -