STUDY ON PERFORMANCE OF A NEW TYPE HIGH-TEMPERATURE LATENT-HEAT THERMAL ENERGY STORAGING SYSTEM

GUO Cha-xiu1; ZHANG Wu-jun2; WEI Xin-li11.Zhengzhou University

doi:10.19666/j.rlfd.2007.07.004

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STUDY ON PERFORMANCE OF A NEW TYPE HIGH-TEMPERATURE LATENT-HEAT THERMAL ENERGY STORAGING SYSTEM

Thermal Power Generation Issue 7, Pages: 13-20(2007)

更新时间：2025-09-28

- STUDY ON PERFORMANCE OF A NEW TYPE HIGH-TEMPERATURE LATENT-HEAT THERMAL ENERGY STORAGING SYSTEM
- 作者机构：
  
  1. 郑州大学
  2. 河南省天泰矿冶安全工程咨询有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.07.004
  CLC： TM919;TM615
- Published：2007
- 稿件说明：
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GUO Cha-xiu1, ZHANG Wu-jun2, WEI Xin-li11.Zhengzhou University. STUDY ON PERFORMANCE OF A NEW TYPE HIGH-TEMPERATURE LATENT-HEAT THERMAL ENERGY STORAGING SYSTEM[J]. Thermal Power Generation, 2007, (7): 13-20.
DOI：

GUO Cha-xiu1, ZHANG Wu-jun2, WEI Xin-li11.Zhengzhou University. STUDY ON PERFORMANCE OF A NEW TYPE HIGH-TEMPERATURE LATENT-HEAT THERMAL ENERGY STORAGING SYSTEM[J]. Thermal Power Generation, 2007, (7): 13-20. DOI： 10.19666/j.rlfd.2007.07.004.

摘要

为了使采用直接蒸汽技术的太阳能热力发电达到商业化应用

须开发与之配套的高效、价低的高温潜热储能系统。提出了采用铝片强化高温潜热储能系统传热性能

并用fluent软件模拟了该系统在释能过程中的瞬态二维传热过程

得到了相界面位置、温度分布、液相率、热流随时间的变化关系

以及总凝固时间;对影响新型高温潜热储能系统性能参数如几何尺寸、边界条件、相变材料的导热系数等进行了研究

得到了这些参数与总凝固时间的关联式。计算结果表明

增加铝片能有效强化高温潜热储能系统传热性能;利用文中提出的关联式

可对新型高温潜热储能系统进行性能优化设计。

Abstract

In order to realize commercial application of solar power generation by using direct steam technology in the solar thermal power plant

it is necessary to develop an efficient and cost-effective high-temperature latent-heat thermal energy storaging(HTLHTES) system to form a complete set with it.For this

a new structure of the HTLHTES system has been put forward by using aluminium foils for strengthening its heat transfer performance

and the transient two-dimensional heat transfer process during the heat discharging period being simulated by using the Fluent software

obtaining the relationship of phase interface position

temperature distribution

liquid-phase ratio

and surface heat flux varying along with the time

as well as the total time of solidification;the parameters affecting the performance of the new HTLHTES system

such as the geometric size

the boundary condition

and heat conductivity etc.

have been studied

obtaining correlation fomulae of these parameters with the total time of solidification.Results of calculation show that the installation of aluminium foils can effectively strengthen the heat transfer performance of the said HTLHTES system.Adopting the correlation formulae presented

the performance optimization design of the new type HTLHTES system can be carried out.

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