Research on the Water Spraying Rate for an Energy Storage System of Isothermal Compressed Air

doi:10.7652/xjtuxb201801006

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Research on the Water Spraying Rate for an Energy Storage System of Isothermal Compressed Air

更新时间：2025-07-09

- Research on the Water Spraying Rate for an Energy Storage System of Isothermal Compressed Air
- Vol. 52, Issue 1, Pages: 33-39(2018)
- 作者机构：
  
  1. 湖北省协同创新中心,武汉,430070
  2. 武汉理工大学材料复合新技术国家重点实验室,武汉,430070
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201801006
  CLC： TK02
- Online First：10 January 2018，
  
  Published：2018
- 稿件说明：
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Research on the Water Spraying Rate for an Energy Storage System of Isothermal Compressed Air[J]. 2018, 52(1): 33-39.
DOI：

Research on the Water Spraying Rate for an Energy Storage System of Isothermal Compressed Air[J]. 2018, 52(1): 33-39. DOI： 10.7652/xjtuxb201801006.

摘要

为了揭示等温压缩空气储能系统中不同参数对喷水量的影响

提出了利用多变指数接近1的多变压缩来研究近等温压缩

将压缩终态的气态水、液态水、空气视为理想混合物

分析了压缩能量的分布状况

并运用饱和水蒸气分压公式、道尔顿分压定律和组分热力学参数

研究了不同状态参数下所需喷水量。研究表明

适当增大压比或降低终温(喷水量增大)可使得传热量比例增大

当压比为10、转速为100 r/min时

喷水量由5.73 kg/s提高至8.68 kg/s

传热量比例提高了5%; 压比、传热效率、终温均对空气与水质量之比有影响; 其他条件一定时

转速对空气与水质量之比没有影响

当压比为10

传热效率为95%

终温为50 ℃

转速分别为60、100、150 r/min时

空气与水质量之比均为0.86; 较低压强(压比小于10)不利水储热的进行。

Abstract

To research the effect of different parameters on the water spraying rate for an energy storage system of isothermal compressed air

a novel method was proposed to study the quasi-isothermal compression using a compression process with the polytropic exponent close to 1

where the water vapor

liquid water and air in the final state were assumed as an ideal mixture. The water spraying rate under different state parameters was researched according to the saturated water vapor pressure formula

the Dalton partial pressure theory and the thermodynamic parameters of the components. The results show that the heat transfer proportion increases with the pressure ratio and the water spraying rate. When the pressure ratio is 10 and the rotation speed is 100 r/min

the water spraying rate increases from 5.73 kg/s to 8.68 kg/s

and the proportion of heat transfer is increased by 5%. The pressure ratio

heat transfer efficiency and final temperature all have effects on the mass ratio of air to water. Moreover

results also show that when other conditions are constant

the rotation speed has almost no effect on the ratio of air to water. When the pressure ratio increases to 10

the heat transfer efficiency is 95% and the final temperature is 50 ℃

the mass ratio of air to water maintains at 0.86 when the rotation speed is 60

100

150 r/min

respectively. In all

lower pressure is unfavorable to the thermal storage of water.

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references

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