在摇摆条件下,研究R410A在水平管外的沸点传热特性
Suyu Fei1, Haitao Jiang1, Dan Hua2
1Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, Jiangsu, China.
Scientific reports
|January 24, 2024
概括
在摇摆条件下,研究了R410A在管外的流沸热传递. 增加的质量流速和热流改善了热传输,但更大的摇摆幅度减少了它,为海上换热器提供了洞察力.
科学领域:
- 热力学是一种热力学.
- 流体力学 流体力学 流体力学
- 热传递热量转移的方法
背景情况:
- 海上换热器由于波动条件而面临独特的挑战.
- 在这些条件下了解像R410A这样的制冷剂的流沸特性对于高效的设计至关重要.
研究的目的:
- 在各种摇摆条件下,研究R410A在水平管外的沸热传递.
- 为了确定摆动频率,振幅,质量流速和热流对传热性能的影响.
主要方法:
- 使用了数值模拟和实验研究.
- 在控制的摇摆动作下,在水平管外煮沸的R410A流体上进行了实验.
主要成果:
- 增加质量流速显著提高了传热系数.
- 较高的热流改善了热传输,尽管由于流体干燥,在高流量条件下效率较低.
- 波动幅度的增加通常会导致传热系数的降低.
结论:
- 该研究为设计在海上摇摆环境中可靠运行的换热器提供了有价值的数据.
- 优化诸如质量流速和热流等参数是最大限度地提高动态条件下的传热效率的关键.
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