Mechanistic model to predict frequency and amplitude of Density Wave Oscillations in vertical upflow boiling [0.03%]
垂直向上流动沸腾中密度波振荡频率和幅值的预测模型研究
Lucas E ONeill,Issam Mudawar
Lucas E ONeill
Modeling of two-phase flow transient behavior and instabilities has traditionally been one of the more challenging endeavors in heat transfer research due to the need to distinguish between a wide range of instability modes systems can mani...
Lucas E ONeill,Issam Mudawar,Mohammad M Hasan et al.
Lucas E ONeill et al.
Investigation of two-phase flow dynamic behavior and instabilities has traditionally centered on phenomena present in boiling flows due to the safety critical nature of boiling in a variety of cooling applications. Analysis of pressure sign...
Experimental investigation into the impact of density wave oscillations on flow boiling system dynamic behavior and stability [0.03%]
实验研究密度波振荡对流态沸腾系统动态行为及稳定性的影响
Lucas E ONeill,Issam Mudawar,Mohammad M Hasan et al.
Lucas E ONeill et al.
In order to better understand and quantify the effect of instabilities in systems utilizing flow boiling heat transfer, the present study explores dynamic results for pressure drop, mass velocity, thermodynamic equilibrium quality, and heat...
Assessment of body force effects in flow condensation, part II: Criteria for negating influence of gravity [0.03%]
流动冷凝中重力影响判据的评估(二):否定重力影响的标准
Lucas E ONeill,Ilchung Park,Chirag R Kharangate et al.
Lucas E ONeill et al.
This study concerns the development of a set of mechanistic criteria capable of predicting the flow conditions for which gravity independent flow condensation heat transfer can be achieved. Using FC-72 as working fluid, a control-volume bas...
Assessment of body force effects in flow condensation, Part I: Experimental investigation of liquid film behavior for different orientations [0.03%]
考虑重力影响的流体凝结实验研究(上篇):不同安装角度下液膜形态的研究
Ilchung Park,Lucas E ONeill,Chirag R Kharangate et al.
Ilchung Park et al.
Body force effects in flow condensation vary depending on channel orientation and fluid mass velocity, making the design of systems intended to operate in multiple orientations more complicated than those at a fixed orientation. This study ...
Effects of two-phase inlet quality, mass velocity, flow orientation, and heating perimeter on flow boiling in a rectangular channel: Part 2 - CHF experimental results and model [0.03%]
矩形通道内两相进口气质流速、流动方向和加热周长对流沸腾的影响(第二部分):临界热通量实验结果与模型分析
Chirag R Kharangate,Lucas E ONeill,Issam Mudawar
Chirag R Kharangate
This study is the second part of a two-part study exploring flow boiling of FC-72 along a rectangular channel with either one wall or two opposite walls heated for saturated inlet conditions. While the first part examined flow boiling inter...
Effects of two-phase inlet quality, mass velocity, flow orientation, and heating perimeter on flow boiling in a rectangular channel: Part 1 - Two-phase flow and heat transfer results [0.03%]
矩形通道中两相流入口品质、质量速度、流动方向和加热周长对流沸腾的影响(第一部分):两相流和传热结果
Chirag R Kharangate,Lucas E ONeill,Issam Mudawar
Chirag R Kharangate
Lack of understanding of flow boiling behavior in reduced gravity poses a major challenge to the development of future space vehicles utilizing two-phase thermal control systems (TCSs). A cost effective method to investigating the influence...
Time-averaged and transient pressure drop for flow boiling with saturated inlet conditions [0.03%]
饱和入口条件下流动沸腾的时均和暂留压降数值研究
Lucas E ONeill,Chirag R Kharangate,Issam Mudawar
Lucas E ONeill
This study explores flow boiling pressure drop of FC-72 in a rectangular channel subjected to single-side and double-sided heating for vertical upflow, vertical downflow, and horizontal flow with positive inlet quality. Analysis of temporal...
Pool boiling in deep and shallow vessels and the effect of surface nano-texture and self-rewetting [0.03%]
深浅容器沸腾及表面纳米纹理和自复湿的影响
Abhilash Sankaran,Wenshuo Zhang,Alexander L Yarin
Abhilash Sankaran
Pool boiling of ethanol and self-rewetting fluids on bare copper surface and copper surface with polymer nanofibers were studied experimentally. No significant effect of the depths of ethanol layer on the heat removal rate was found. That i...
Enhanced pool-boiling heat transfer and critical heat flux on femtosecond laser processed stainless steel surfaces [0.03%]
飞秒激光处理的不锈钢表面池沸腾传热和临界热flux增强
Corey M Kruse,Troy Anderson,Chris Wilson et al.
Corey M Kruse et al.
In this paper, we present an experimental investigation of pool boiling heat transfer on multiscale (micro/nano) functionalized metallic surfaces. Heat transfer enhancement in metallic surfaces is very important for large scale high heat fl...