Results 21 to 30 of about 23,463,044 (273)

Influence of a Flow Obstacle on Boiling Two-Phase Flow

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012
In the view of the safety operation and the designing of boiling two-phase flow equipments, boiling two-phase flow characteristics, especially the critical heat flux is very important. In addition, the flow obstacle in a boiling channel, such as the spacer of boiling water reactor, influences the boiling heat transfer and flow characteristics.
AMI, Takeyuki, UMEKAWA, Hisashi
openaire   +2 more sources

Comprehensive two-phase flow calculation method with in-channel refrigerant boiling [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020
In this paper, the authors deal with the processes occurring during boiling of two-phase flows in channels, which differ in many possible regimes, and their analytical description is possible only under strict restrictions within the given regime and ...
A. V. Zaitsev   +4 more
doaj   +1 more source

Flow boiling instabilities of nitrogen in horizontal small diameter tube

open access: yesMATEC Web of Conferences, 2018
The flow boiling instability characteristics of nitrogen flow boiling in a horizontal small diameter tube were numerically studied, and a numerical model coupled with two phase flow boiling and system flow supplying was developed.
Zhang Qiaoyu, Liu Jianjun
doaj   +1 more source

Boiling Flow Pattern Identification Using a Self-Organizing Map

open access: yesApplied Sciences, 2020
In the paper, a self-organizing map combined with the recurrence quantification analysis was used to identify flow boiling patterns in a circular horizontal minichannel with an inner diameter of 1 mm. The dynamics of the pressure drop during density-wave
Iwona Zaborowska   +2 more
doaj   +1 more source

Void Fraction Correlation for Boiling and Non-Boiling Vertical Two-Phase Flows in Tube [PDF]

open access: yesJournal of Nuclear Science and Technology, 1976
Abstract Applicability of previously proposed Vold fraction correlation was studied on the boiling steam-water flows in tube. The correlation was found to be applicable to the data of Sekoguchi (d=13.55 mm) and Bartolomei (d=25mm), i.e. the value of parameter K in the correlation equals to unity. The average value of K for pipes of smaller diameter (d=
YAMAZAKI, Yasaburo, YAMAGUCHI, Katsuji
openaire   +1 more source

A review of single-phase and two-phase pressure drop characteristics and flow boiling instabilities

open access: yesJournal of Thermal Engineering, 2018
This study presents a comprehensive review on single and two-phase pressure drop characteristics and flow boiling instabilities in microchannels to outline the discrepancies in the literature.
Mehmet Rafet ÖZDEMİR
doaj   +1 more source

An experimental approach to heat loss measurement of horizontal two-phase flow boiling in low-pressure low-flow (LPLF) conditions

open access: yesCase Studies in Thermal Engineering
A crucial parameter remarkably influencing the reliability and accuracy of vapor quality measurements in flow boiling experiments is the measurement of heat loss.
Mehdi Kabir
doaj   +1 more source

Evaluation of Correlations of Flow Boiling Heat Transfer of R22 in Horizontal Channels

open access: yesThe Scientific World Journal, 2013
The calculation of two-phase flow boiling heat transfer of R22 in channels is required in a variety of applications, such as chemical process cooling systems, refrigeration, and air conditioning. A number of correlations for flow boiling heat transfer in
Zhanru Zhou, Xiande Fang, Dingkun Li
doaj   +1 more source

Comprehensive review on the flow characteristics of two-phase flows in inclined tubes

open access: yesJournal of Thermal Engineering, 2021
This paper presents a comprehensive review of research works on condensation and boiling heat transfer characteristics in horizontal, vertical and inclined tubes both smooth and enhanced.
Hakan KARADEMİR   +6 more
doaj   +1 more source

Pressure Drop of HFE7000 and HFE7100 in Flow Condensation in Minichannels With Account of Non-Adiabatic Effects

open access: yesMATEC Web of Conferences, 2014
Flow boiling and flow condensation are often regarded as two opposite or symmetrical phenomena involving the change of phase. There is a temptation to describe both these phenomena with one only correlation.
Mikielewicz Dariusz   +2 more
doaj   +1 more source

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