Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space power systems

2010 ◽  
Vol 5 (2) ◽  
pp. 166-173 ◽  
Author(s):  
Jinying Yin ◽  
Linhua Liu
Keyword(s):  
Heat Transfer ◽  
Power Systems ◽  
Phase Change ◽  
Transfer Process ◽  
Liquid Droplet ◽  
Radiation Heat Transfer ◽  
Heat Transfer Process ◽  
Radiation Heat ◽  
Space Power Systems

Numerical Computation of Temperature in APU Compartment of Passenger Plane

2012 ◽  
Vol 220-223 ◽  
pp. 855-858
Author(s):  
Rang Shu Xu ◽  
Nana Zhang ◽  
Ling Niu ◽  
Meng Yang
Keyword(s):  
Heat Transfer ◽  
Numerical Computation ◽  
Transfer Process ◽  
Optimization Design ◽  
Radiation Heat Transfer ◽  
Heat Transfer Process ◽  
Exhaust Pipe ◽  
Radiation Heat ◽  
Flow Information ◽  
Cooling Air

In order to study heat transfer process in APU compartment of passenger plane and to perform structure thermal analysis, temperature field of APU compartment has been calculated by numerical computation. The computation model of flow and heat transfer process in APU compartment are setup by commercial CFD software Fluent, Realizable k-ε turbulent model and S2S thermal radiation model are used, and the flow field, temperature and heat flow information are acquired. Radiation heat transfer is the major heat transfer process in APU compartment; APU fireproofing cover and heat insulation hood of exhaust pipe function work as radiation heat shielding screens; and cooling air in the APU fireproofing cover plays an important part in decreasing the temperature of the fireproofing cover; the injection cooling air in the exhaust pipe reduced the wall temperature effectively. The results provide reference to optimization design.

scholarly journals Experimental and Computational Investigations of Phase Change Thermal Energy Storage Canisters

2000 ◽  
Vol 122 (4) ◽  
pp. 176-182 ◽  
Author(s):  
Mounir Ibrahim ◽  
Pavel Sokolov ◽  
Thomas Kerslake ◽  
Carol Tolbert
Keyword(s):  
Heat Transfer ◽  
Energy Storage ◽  
Phase Change ◽  
Thermal Energy ◽  
Thermal Energy Storage ◽  
Radiation Heat Transfer ◽  
Convection Heat Transfer ◽  
Melting Time ◽  
Radiation Heat ◽  
Space Experiments

Two sets of experimental data for cylindrical canisters with thermal energy storage applications were examined in this paper: 1) Ground Experiments and 2) Space Experiments. A 2-D computational model was developed for unsteady heat transfer (conduction and radiation) with phase-change. The radiation heat transfer employed a finite volume method. The following was found in this study: 1) Ground Experiments, the convection heat transfer is equally important to that of the radiation heat transfer; Radiation heat transfer in the liquid is found to be more significant than that in the void; Including the radiation heat transfer in the liquid resulted in lower temperatures (about 15 K) and increased the melting time (about 10 min.); Generally, most of the heat flow takes place in the radial direction. 2) Space Experiments, Radiation heat transfer in the void is found to be more significant than that in the liquid (exactly the opposite to the Ground Experiments); Accordingly, the location and size of the void affects the performance considerably; Including the radiation heat transfer in the void resulted in lower temperatures (about 40 K). [S0199-6231(00)00304-X]

Parametric investigation of radiation heat transfer and evaporation characteristics of a liquid droplet radiator

2020 ◽  
Vol 106 ◽  
pp. 106214 ◽  
Author(s):  
Hao Qin ◽  
Chenglong Wang ◽  
Dalin Zhang ◽  
Wenxi Tian ◽  
G.H. Su ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Liquid Droplet ◽  
Radiation Heat Transfer ◽  
Radiation Heat ◽  
Parametric Investigation

The Research on the Heat Transfer Process of Low Temperature Hot Water Radiant Heating Phase Change Wallboard

2013 ◽  
Vol 800 ◽  
pp. 18-21
Author(s):  
Quan Ying Yan ◽  
Li Hang Yue ◽  
Ran Huo
Keyword(s):  
Heat Transfer ◽  
Mathematical Model ◽  
Low Temperature ◽  
Phase Change ◽  
Physical Model ◽  
Transfer Process ◽  
Heat Transfer Process ◽  
Hot Water ◽  
Radiant Heating ◽  
Heating Phase

In this paper, physical model and mathematical model of the hot water radiant heating phase change wallboard were built. The heat transfer process of wallboard was simulated to analyze different influencing factors and optimize the design of the hot water heating phase change wallboard. The research results can provide reference and basis to the optimization of low temperature hot water radiant heating phase change wallboard.

Hierarchical dispatch method for integrated heat and power systems considering the heat transfer process

2021 ◽  
Vol 135 ◽  
pp. 110412
Author(s):  
Tuo Jiang ◽  
Yong Min ◽  
Guiping Zhou ◽  
Lei Chen ◽  
Qun Chen ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Power Systems ◽  
Transfer Process ◽  
Heat Transfer Process
Sign in / Sign up

Export Citation Format

Share Document