槽式太阳能真空集热管的热损失测量

张业强; 吴玉庭; 马重芳; 熊亚选

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槽式太阳能真空集热管的热损失测量

更新时间：2025-12-10

- 槽式太阳能真空集热管的热损失测量
- CIESC Journal Issue S1, Pages: 185-189(2011)
- 作者机构：
  
  北京工业大学传热强化与过程节能教育部重点实验室，传热与能源利用北京市重点实验室,北京,100124
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：03 July 2011，
  
  Published：03 July 2011
- 稿件说明：
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张业强, 吴玉庭, 马重芳, et al. 槽式太阳能真空集热管的热损失测量[J]. CIESC Journal, 2011, (S1): 185-189.
DOI：

张业强, 吴玉庭, 马重芳, et al. 槽式太阳能真空集热管的热损失测量[J]. CIESC Journal, 2011, (S1): 185-189. DOI：

摘要

Abstract

The receiver

whose heat loss directly affects the conversion of efficiency from optic to thermal

is a key component of the parabolic trough collector.By analyzing the heat loss of 13 m pipeline which is constructed by six two-meter receivers

the results show that the radiant heat loss is 70% to 90% of the total heat loss when oil’s temperature from 105℃ to 313℃.The heat loss measured by quasi-static equilibrium method is larger than that measured by steady-state equilibrium method

and at high temperature（290℃）the former is 1.18 times as high as the latter.The heat loss is 1.2 times bigger than that of SCHOTT’s PTR70.

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