Startup and isothermal performance of high-temperature molten salt heat pipe

WANG Gang; XIONG Yaxuan; WU Yuting; XU Peng; LENG Guanghui; MA Chongfang

doi:10.11949/0438-1157.20200194

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Startup and isothermal performance of high-temperature molten salt heat pipe

Fluid dynamics and transport phenomena | 更新时间：2026-07-24

- Startup and isothermal performance of high-temperature molten salt heat pipe
- CIESC Journal Vol. 71, Issue 11, Pages: 5099-5106(2020)
- 作者机构：
  
  1.北京建筑大学供热供燃气通风及空调工程北京市重点实验室，北京 100044
  2.北京工业大学传热强化与过程节能教育部重点实验室，北京 100124
  3.河南东大高温节能材料有限公司，河南鹤壁 458030
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20200194
  CLC： TK 124
- Received：07 February 2020，
  
  Revised：2020-06-28，
  
  Online First：03 November 2020，
  
  Published：05 November 2020
- 稿件说明：
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王刚, 熊亚选, 吴玉庭, 徐鹏, 冷光辉, 马重芳. 高温熔盐热管的启动和等温性能[J]. 化工学报, 2020, 71(11): 5099-5106

WANG Gang, XIONG Yaxuan, WU Yuting, XU Peng, LENG Guanghui, MA Chongfang. Startup and isothermal performance of high-temperature molten salt heat pipe[J]. CIESC Journal, 2020, 71(11): 5099-5106
王刚, 熊亚选, 吴玉庭, 徐鹏, 冷光辉, 马重芳. 高温熔盐热管的启动和等温性能[J]. 化工学报, 2020, 71(11): 5099-5106 DOI： 10.11949/0438-1157.20200194.

WANG Gang, XIONG Yaxuan, WU Yuting, XU Peng, LENG Guanghui, MA Chongfang. Startup and isothermal performance of high-temperature molten salt heat pipe[J]. CIESC Journal, 2020, 71(11): 5099-5106 DOI： 10.11949/0438-1157.20200194.

摘要

高温热管是高温领域高效传热的关键技术。为进一步研究开发高效热管，提升工业过程传热性能，以熔盐作为热管的传热工质，搭建了高温热管传热实验台，研究了传热工质和倾斜角对热管启动和等温性能的影响。结果表明，在450～700 K工作温度范围内，AlBr

和TiCl

熔盐热管在倾斜角为45°和60°的条件下，均达到最优的启动性能；在热管倾斜角为60°时，两种熔盐热管等温性能均达到最佳。无机盐AlBr

和TiCl

作为传热工质，重力热管具有良好的启动和等温性能。

Abstract

High-temperature heat pipe is the key technology for efficient heat transfer in high-temperature fields. To develop high efficiency heat pipes further and improve the heat transfer performance in industrial process

gravity heat pipes with molten salt as heat transfer medium was developed. A high-temperature heat pipe test bench was set up and effect of working fluids and inclination angles on the startup characteristics and isothermal performance of the gravity heat pipe was studied experimentally. The results showed that as the inclinat

ion angle was 45° and 60°

the startup characteristics of heat pipes with AlBr

and TiCl

as working fluids was the best respectively

while the isothermal performance of the heat pipes was the best as the inclination angle was 60°. The inorganic salts AlBr

and TiCl

are used as the heat transfer working medium

and the gravity heat pipe has good starting and isothermal properties.

关键词

Keywords

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