Results 31 to 40 of about 22,279 (158)

Direct Numerical Simulation and Visualization of Subcooled Pool Boiling

Science and Technology of Nuclear Installations, 2014
A direct numerical simulation of the boiling phenomena is one of the promising approaches in order to clarify their heat transfer characteristics and discuss the mechanism.
Tomoaki Kunugi, Yasuo Ose
doaj   +1 more source

The Role of Pin Fin Array Configurations and Bubble Characteristics on the Pool Boiling Heat Transfer Enhancement

Fluids, 2022
Pool boiling surface modification by pin fin array has demonstrated a practical but effective cooling enhancement. Whilst the main challenge is to determine the best configuration of the pin fin dimensions and positioning, it is known that the result ...
Indro Pranoto, Muhammad Aulia Rahman, Joko Waluyo   +2 more
doaj   +1 more source

Comparison of heat transfer coefficients of open micro-channels and plain micro-fins

EPJ Web of Conferences, 2018
The paper describes results of analysis of pool boiling heat transfer on enhanced surfaces. Two types of structural surfaces were used: open microchannel surfaces consisting of a system of parallel micro-channels 0.3 mm wide, from 0.2 to 0.5 mm deep and ...
Kaniowski Robert, Pastuszko Robert
doaj   +1 more source

Review of Pool Boiling Enhancement Techniques

NTU Journal of Engineering and Technology
Many industrial applications recently are utilizing from the pool boiling to treat heat, including power plants, cooling and refrigeration  applications, and electronics cooling applications like data centers.
Osamah Altotanje, Nabeel Abdulrazzaq
doaj   +1 more source

Pool Boiling of Novec-649 on Inclined Microchannel

Energies, 2023
Significant amounts of heat flow can be removed with small temperature differences by boiling. This process is used in a variety of industries, e.g., cooling electronics, digital circuits, power sources, etc.
Robert Kaniowski
doaj   +1 more source

An Energy Analysis in Transient Pool Boiling Experiments at Short Durations [PDF]

AUT Journal of Mechanical Engineering
In this investigation, the performance of coolant in various operating conditions was examined through an energy analysis of experimental data. A novel method was introduced for presenting pool boiling test results, facilitating coolant performance ...
Ahmadreza Ayoobi, Abbas Afshari, Mohammd Farmani   +2 more
doaj   +1 more source

STUDY OF IDENTIFICATION OF TWO-PHASE FLOW PARAMETERS BY PRESSURE FLUCTUATION ANALYSIS

Acta Polytechnica CTU Proceedings, 2016
This paper deals with identification of parameters of simple pool boiling in a vertical rectangular channel by analysis of pressure fluctuation. In this work is introduced a small experimental facility about 9 kW power, which was used for simulation of ...
Ondrej Burian, Vaclav Dostal, Ladislav Vesely   +2 more
doaj   +1 more source

Experimental Studies on CHF Characteristics of Nanofluids at Pool Boiling [PDF]

مجله علوم و فنون هسته‌ای, 2017
The use of nanofluids to increase the safety margin of high heat flux thermal systems in nuclear power plants through the enhancement of the critical heat flux (CHF) has been considered recently by researchers.
H Kazeminejad, A Akhavan, H Khalafi, E Ataeivarjovi   +3 more
doaj  

EXPERIMENTAL STUDY OF POOL BOILING OF NANO-FLUIDS

Journal of Engineering and Sustainable Development, 2020
Pool boiling of Nano Al2O3, TiO2, and ZrO2 of concentrations 0.1, 0.4, 1.0, 2.5, 5.0 g/L in distilled water (which is taken as a base fluid) were experimentally studied in a test boiling chamber of stainless steel cylindrical vessel of 15 cm ...
Amer Hameed Majeed , Yasmin Hamed Abd
doaj   +1 more source

Reversed boiling curve phenomenon on surfaces with interlaced wettability

AIP Advances, 2014
We experimentally investigated the effects of contact angle difference of heterogeneous wettability surfaces on pool boiling. For surfaces exhibiting heterogeneous wettability, this study determined that the pool boiling curve experiences a superheat ...
C. C. Hsu, W. C. Chiu, L. S. Kuo, P. H. Chen   +3 more
doaj   +1 more source