增压气体温度对网幕通道式液体获取装置低温出流性能的影响研究

王云龙; 马原; 张荣达; 王康; 厉彦忠

doi:10.7652/xjtuxb202611021

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增压气体温度对网幕通道式液体获取装置低温出流性能的影响研究

更新时间：2026-11-09

- 增压气体温度对网幕通道式液体获取装置低温出流性能的影响研究
- Study on the Influence of Pressurant Gas Temperature on the Cryogenic Outflow Performance of Screen Channel Liquid Acquisition Devices
- 西安交通大学学报 2026年60卷第11期页码：236-244
- 作者机构：
  
  西安交通大学能源与动力工程学院，710049，西安
  西安交通大学深低温技术与装备教育部重点实验室，710049，西安
- 作者简介：
  
  王云龙（2001—），男，硕士生；
  马原（通信作者），女，副教授，博士生导师。
- 基金信息：
  
  国家自然科学基金资助项目(52476016)
- DOI：10.7652/xjtuxb202611021
  中图分类号： V19
- 收稿：2026-03-16，
  
  网络首发：2026-04-21，
  
  纸质出版：2026-11-10
- 稿件说明：
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王云龙, 马原, 张荣达, 等. 增压气体温度对网幕通道式液体获取装置低温出流性能的影响研究[J/OL]. 西安交通大学学报,2026,60 (11):236-244. https://doi.org/10.7652/xjtuxb202611021.

WANG Yunlong, MA Yuan, ZHANG Rongda, et al. Study on the Influence of Pressurant Gas Temperature on the Cryogenic Outflow Performance of Screen Channel Liquid Acquisition Devices[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (11):236-244. https://doi.org/10.7652/xjtuxb202611021.
王云龙, 马原, 张荣达, 等. 增压气体温度对网幕通道式液体获取装置低温出流性能的影响研究[J/OL]. 西安交通大学学报,2026,60 (11):236-244. https://doi.org/10.7652/xjtuxb202611021. DOI：

WANG Yunlong, MA Yuan, ZHANG Rongda, et al. Study on the Influence of Pressurant Gas Temperature on the Cryogenic Outflow Performance of Screen Channel Liquid Acquisition Devices[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (11):236-244. https://doi.org/10.7652/xjtuxb202611021. DOI：

摘要

为揭示增压气体温度对器件级网幕通道式液体获取装置（SCLAD）低温出流性能的作用机制，基于透明玻璃真空杜瓦搭建了低温流体可视化实验系统，以液氮为工质，对配备两种规格荷兰斜纹编织（DTW）网幕（DTW200×1400与DTW325×2300）的SCLAD样件，开展了冷/常温氮气增压下的逆重力出流实验。结果表明：在冷/常温氮气增压下，当网幕局部暴露于气相的两相环境时，SCLAD可以克服重力约束实现稳定的单相液体获取；在常温氮气增压下，剧烈热交换导致暴露网幕表面发生持续的蒸发-芯吸润湿循环，相分离稳定性显著下降，失效液位高度大幅增加；冷氮气工况的失效高度受穿透压损主导，随压力升高而增加，常温低压工况则由热扰动主导，低流速延长了增压气体在网幕表面的热作用时间，致使装置提前失效；相同增压压力下，常温氮气增压因界面波动与热损失，液体获取速率较冷氮气下降了45.4%～68.6%；随着网幕编织密度增大，液体获取速率减小，冷氮气增压时相分离能力随之增强，而常温氮气增压时则因热交换时间延长而减弱。

Abstract

To reveal the underlying mechanism by which pressurant gas temperature affects the cryogenic outflow performance of device-level screen channel liquid acquisition devices (SCLADs)

a cryogenic fluid visualization experimental system was built using a transparent glass vacuum Dewar. With liquid nitrogen as the working fluid

anti-gravity outflow experiments under cold and ambienttemperature nitrogen pressurization were conducted on SCLAD prototypes equipped with two types of Dutch twill weave screens (DTW200×1400 and DTW325×2300) .The results show that under both cold and ambient temperature nitrogen pressurization

the SCLAD can overcome gravity constraints to achieve stable single-phase liquid acquisition in a two-phase environment where the screen is partially exposed to the gas phase.Under ambient-temperature nitrogen pressurization

intense heat exchange causes continuous evaporation-wicking-rewetting cycles on the exposed screen surface

significantly reducing phase separation stability and greatly increasing the failure liquid level.The failure height under cold nitrogen conditions is dominated by breakthrough pressure drop and increases with rising pressure.In contrast

ambient-temperature and low-pressure conditions are dominated by thermal disturbance；the low flow rate prolongs the thermal exposure time of the pressurant gas on the screen surface

leading to premature failure of the device.At the same pressurization level

the liquid acquisition rate under ambient-temperature nitrogen pressurization decreases by 45.4% to 68.6% compared to that under cold nitrogen due to interface fluctuations and heat losses.As the screen weave density increases

the liquid acquisition rate decreases. The phase separation capacity is enhanced under cold nitrogen pressurization

whereas it is weakened under ambient temperature nitrogen pressurization due to the prolonged heat exchange time.

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