摇摆条件下矩形窄缝通道单相等温流动摩擦阻力特性研究

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Frictional Resistance Characteristics of Single-Phase Flow in Narrow Rectangular Channel with Rolling Motion

CNNC Key Laboratory on Nuclear Reactor Thermal Hydraulics Technology, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 通过实验研究和数值计算相结合的方法研究摇摆条件下矩形窄缝通道单相等温流动摩擦阻力特性。研究发现:受摇摆附加惯性力的影响,流道内的微观流场出现变化,但在本实验参数范围内,流场的微观变化较小,摇摆对摩擦阻力特性的影响可以忽略,由流道静止状态获得的摩擦阻力系数计算公式在摇摆条件下仍然适用。
- 摇摆 /
- 矩形窄缝通道 /
- 单相 /
- 等温流动 /
- 摩擦阻力
Abstract: Experimental investigation and numerical calculation were carried out on frictional resistance characteristics of single-phase flow with rolling motion.Results indicated that the flow field was affected by the rolling motion,but the local velocity change was too small to impact the frictional resistance characteris-tics within the experiment parameter range.The formula for frictional resistance calculation obtained with standstill works well with rolling motion.
- Rolling Motion /
- Narrow rectangular channel /
- Single-phase /
- Isothermal flow /
- Frictional resis-tance