Dynamic simulation of parabolic trough solar systems

LUO Na; YU Gang; HOU Hongjuan; YANG Yongping

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Dynamic simulation of parabolic trough solar systems

Thermal Power Generation Vol. 43, Issue 12, Pages: 66-71(2014)

更新时间：2025-09-28

- Dynamic simulation of parabolic trough solar systems
- 作者机构：
  
  华北电力大学能源动力与机械工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK513.1
- Published：2014
- 稿件说明：
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LUO Na, YU Gang, HOU Hongjuan, et al. Dynamic simulation of parabolic trough solar systems[J]. Thermal Power Generation, 2014, 43(12): 66-71.
DOI：

LUO Na, YU Gang, HOU Hongjuan, et al. Dynamic simulation of parabolic trough solar systems[J]. Thermal Power Generation, 2014, 43(12): 66-71. DOI：

摘要

根据槽式太阳能集热器光热转换过程的特点建立了集总参数模型

并通过了实验验证。据此

建立了集热系统的模块化仿真模型

对集热系统稳态、动态特性进行了分析研究。结果表明

太阳直射辐射、传热流体入口温度及流体流量3个主要因素影响集热场的运行特性。当太阳直射辐射量由900 W/m2下降为0时

集热系统的时间常数约为5min;传热流体流量由11.4m3/h突升至22.8m3/h及突降到5.7m3/h时

时间常数分别为2.7min及8.2min。

Abstract

A lumped mathematical model was established and then experimentally verified according to the photo-thermal conversion process of parabolic trough collector.On this basis

a modular solar simulation system was built and the steady and dynamic characteristics of this system were tested.The results show that

the factors irradiation

fluid inlet temperature and fluid flow have a great effect on operation performances of the heat collection field.When the solar irradiation drops from 900 W/m2 to 0

the system's timeconstant is approximately 5min.While when the fluid flow of 11.4m3/h jumps to 22.8m3/h and drops to5.7m3/h

the system's time-constants are 2.7min and 8.2min

respectively.

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