Heat Transfer during Boiling in Horizontal Layers of HFE-7100 on Smooth and Modified Surfaces

被引：1
|
作者：
Shvetsov, D. A. [1 ]
Pavlenko, A. N. [1 ]
Zhukov, V. I. [1 ,2 ]
机构：
[1] Russian Acad Sci, Kutateladze Inst Thermophys, Siberian Branch, Novosibirsk, Russia
[2] Novosibirsk State Tech Univ, Novosibirsk, Russia
来源：
JOURNAL OF ENGINEERING THERMOPHYSICS | 2024年 / 33卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
POROUS COATINGS; LIQUID LAYER; POOL; EVAPORATION; HEIGHT; ENHANCEMENT; UNIFORM; FLUID; FLOW;
D O I：
10.1134/S1810232824020024
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimental data were obtained on heat transfer in horizontal layers of dielectric liquid HFE-7100 of various heights at atmospheric pressure. The heat transfer during boiling was studied on a smooth stainless steel surface and on a capillary-porous stainless steel coating manufactured by the SLM/SLS 3D printing technology. Comparison of the values of temperature pressure and critical heat flux on the smooth surface and on the capillary-porous coating has shown that in HFE-7100 layers with height below 6 mm, the heat transfer regime changes from pool boiling to boiling in thin layers of liquid. At a heat flux density of 100 kW/m(2), the temperature difference obtained on the capillary-porous coating was six times lower than that on the smooth surface.
引用
收藏
页码：250 / 268
页数：19
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