载银二氧化钛纳米流体强化气液传热传质实验研究

毛毛; 卞成乐; 蔡展豪; 李宁军; 马鑫; 季伟凯; 杨柳

doi:10.3969/j.issn.0253-4339.2023.02.113

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载银二氧化钛纳米流体强化气液传热传质实验研究

更新时间：2024-07-18

- 载银二氧化钛纳米流体强化气液传热传质实验研究
- Experimental Study on the Enhancement of Gas-liquid Heat and Mass Transfer with TiO2-Ag Nanofluids
- 制冷学报 2023年44卷第2期页码：113-119+143
- 作者机构：
  
  1. 东南大学能源与环境学院
  2. 东南大学深圳研究院
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51876040,52176061);深圳市科技计划- 基础研究自由探索项目(JCYJ20180306174450120)
- DOI：10.3969/j.issn.0253-4339.2023.02.113
  中图分类号：
- 纸质出版：2023
- 稿件说明：
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毛毛, 卞成乐, 蔡展豪, 等. 载银二氧化钛纳米流体强化气液传热传质实验研究[J]. 制冷学报, 2023,44(2):113-119+143.

Mao Mao, Bian Chengle, Cai Zhanhao, et al. Experimental Study on the Enhancement of Gas-liquid Heat and Mass Transfer with TiO2-Ag Nanofluids[J]. Journal of Refrigeration, 2023, 44(2): 113-119+143.
毛毛, 卞成乐, 蔡展豪, 等. 载银二氧化钛纳米流体强化气液传热传质实验研究[J]. 制冷学报, 2023,44(2):113-119+143. DOI： 10.3969/j.issn.0253-4339.2023.02.113.

Mao Mao, Bian Chengle, Cai Zhanhao, et al. Experimental Study on the Enhancement of Gas-liquid Heat and Mass Transfer with TiO2-Ag Nanofluids[J]. Journal of Refrigeration, 2023, 44(2): 113-119+143. DOI： 10.3969/j.issn.0253-4339.2023.02.113.

摘要

在碳中和背景下，减少能源消耗、提高暖通运行能效和净化效率是在新时代亟需解决的问题。本文研究了载银二氧化钛（TiO2?-Ag）纳米流体的气液传热传质性能，探索了纳米流体在鼓泡、喷雾、填料等不同流动状态下的传热传质特性，分析了系统参数对传热传质效果的影响。结果表明：鼓泡工况相对于喷雾与填料工况的气液传热效果更好，其中气体流量的设定应同时考虑纳米流体稳定性和气液接触时间等因素来获得最佳效果，因此在本实验的设定中，选定最佳进口气体流量为4 L/min。

Abstract

With carbon neutrality becoming the strategic goal leading the sustainable development in China

reducing energy consumption and improving the efficiency and purification efficiency of HVAC systems are urgent issues that need to be resolved in the new era. The gas-liquid heat and mass transfer performance of TiO2-Ag nanofluid was investigated; the heat and mass transfer characteristics of nanofluids in different fluent states such as “bubbling” “spraying” and “filling” were explored; and the effects of the system parameters on the enhancement of heat and mass transfer were analyzed. The results show that the bubbling condition has a better gas-liquid heat transfer effect than the spray and filling conditions. Consequently

the setting of the gas flow rate should consider both the stability and gas-liquid contact time to obtain the best heat and mass transfer effects. Therefore

in this experiment

the optimal inlet gas flow rate was set to 4 L/min. The system showed an effectively enhanced heat and mass transfer and could serve as a significant reference for engineering applications.

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