Start-up and heat transfer performance of a sodium-potassium alloy heat pipe under different conditions of heating power - Details

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Abstract：

A　sodium-potassium　ally　(45-wt.%-Na　and　55-wt.%-K)　heat　pipe　was　experimentally　tested　to　investigate　the　effect　of　heating　powers　(800,　1000,　1200,　1400,　and　1600W)　on　start-up　and　heat　transfer　performances.　The　results　showed　that　under　the　tested　operation　conditions,　the　sodium-potassium　ally　heat　pipe　presented　an　optimal　start-up　performance　with　the　heating　power.　Within　the　range　of　800-1600W　of　heating　power,　the　heat　pipe　could　achieve　a　dynamic　equilibrium　state　of　heat　transfer　as　the　heat　was　carried　away　by　cooling　water　in　time,　and　the　heat　transfer　coefficient　of　the　sodium-potassium　ally　heat　pipe,　convective　heat　transfer　coefficients　of　evaporator　and　condenser　sections　almost　linearly　increased　with　the　heating　power.　©　2019,　Editorial　Department　of　Journal　of　Aerospace　Power.　All　right　reserved.

Keyword：

Heat transfer Heat convection Heat pipes Heating Heat transfer coefficients Heat transfer performance Potassium alloys Cooling water Sodium alloys

Author Community：

[ 1 ] [Guo, Hang]Beijing Key Laboratory of Heat Transfer and Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Jia, Xianjian]Beijing Key Laboratory of Heat Transfer and Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Guo, Qing]Beijing Key Laboratory of Heat Transfer and Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
[ 4 ] [Yan, Xiaoke]Division of Thermophysics and Process Measurements, National Institute of Metrology, Beijing; 100013, China
[ 5 ] [Ye, Fang]Beijing Key Laboratory of Heat Transfer and Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
[ 6 ] [Ma, Chongfang]Beijing Key Laboratory of Heat Transfer and Energy Conversion, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China

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Related Keywords：

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Source ：

Journal of Aerospace Power

ISSN： 1000-8055

Year： 2019

Issue： 1

Volume： 34

Page： 1-7

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 19

Affiliated Colleges：

化学与生命科学学院本学院/部未明确归属的数据

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