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Stability Criterion of a Rotating Fluid Film in the Post-Dryout Region of Swirling Flow Boiling
The paper considers the fragmentation of fluid films and, in particular, the used similarity numbers that characterize the process of fragmentation....
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Flow Boiling Crisis and Post Dryout Heat Transfer
In the previous chapter, we have discussed various modes of flow boiling such as subcooled, saturated or convective boiling. We also indicated that...
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Pressure dependence of dryout in a heat-generating porous debris bed
The primary objective of this work is to numerically study the effect of system pressure on the occurrence of dryout phenomena in heap-shaped,...
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Critical Heat Flux and Dryout
The critical heat flux (CHF) was briefly introduced in Chap. 5 , and in the present chapter, the analyses...
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Crisis Phenomena and Heat-Transfer Enhancement during Boling and Evaporation in Horizontal Liquid Films (Review)
AbstractA brief review is presented of studies in the field of heat-transfer enhancement and for increasing the critical heat fluxes (CHFs) during...
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Effects of tube shape on the distribution of film thickness and heat transfer performance in falling film evaporation
The evaporative condenser has broad application prospects because of its high heat transfer efficiency. In order to explore the effect of tube shape...
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Experimental Study on Hydrodynamic Behavior of Falling Film over Vertical Tube
Falling film configurations play an important role in characterizing the heat transfer due to changes in hydrodynamic behavior. The purpose of this...
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Evaporation and Boiling Heat Transfer at Film Irrigation of Horizontal Roughened Tubes
AbstractIndustrial shell and tube heat exchangers require often pipes of considerable length. The surface treatment of such tubes to enhance heat...
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Pool Boiling Crisis, Critical Heat Flux and Film Boiling
In Chap. 6, we have seen that during nucleate boiling the heat flux increases with wall superheat. However, the Nukiyama curve (Fig. 6.9) clearly...
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Coupled discrete phase model and Eulerian wall film model for numerical simulation of respiratory droplet generation during coughing
Computational fluid dynamics is widely used to simulate droplet-spreading behavior due to respiratory events. However, droplet generation inside the...
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Experimental investigation of the heat transfer characteristics, operating limits, and temperature distribution of a prototypically 3 m long two-phase closed thermosyphon for spent fuel pool passive cooling
The current study investigated the heat transfer performance, operation limits, and temperature distribution of a 3 m prototype model for a...
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Flow Boiling Heat Transfer Characteristics and Delayed Dry-Out Ability of Non-Azeotropic Mixtures R245fa/R134a in Microchannels
Microchannel flow boiling heat transfer has the advantages of strong heat dissipation capacity, good temperature uniformity, and compact structure....
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The Thermodynamic Crisis under Spontaneous Boiling-Up of Superheated n-Pentane in a Vertical Glass Tube
AbstractThe boiling-up kinetics of superheated n -pentane in a glass tube has been studied by means of a high-speed video filming and a fast-acting...
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Examination of two-phase behaviors in porous media during pool boiling
The enhancement of pool boiling heat transfer using porous media has been extensively studied. Although the two-phase distribution and evolution in...
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Boiling in Forced Convection of Subcooled Liquid as a Method for Removing High Heat Fluxes (Review): Part 2. Critical Heat Fluxes and Heat-Transfer Enhancement
AbstractThe article is the second part of the review devoted to the boiling of a liquid subcooled to the saturation temperature, the process which...
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Heat and mass transfer of countercurrent air-water flow in a vertical tube
The paper deals with the classification and the design features of direct contact heat exchangers used in various technological processes. It...
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Boiling in Forced Convection of Subcooled Liquid as a Method for Removing High Heat Fluxes (Review): Part 1. Characteristics, Mechanism, and Model of the Process, Heat Transfer, and Hydraulic Resistance
AbstractA review of the data on boiling of a liquid at a temperature below the saturation temperature (subcooled liquid) and on the process enabling...
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DESIGN AND EXPERIMENTAL ANALYSIS OF HEAT TRANSFER PERFORMANCE OF A TWO-PHASE CLOSED THERMOSYPHON SYSTEM
AbstractThe aim of this research to assess the thermal performance of a locally developed two-phase closed thermosyphon system charged with methanol....
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Parametric analysis on flooding limit and critical film thickness of a vertical two-phase closed thermosyphon
Flooding limit is the most severe limitation in the operation of a two-phase closed thermosyphon (TPCT). However, the effect of condenser length to...
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Vapor Agglomerates and Dry Spots as Precursors of the Subcooled Liquid Boiling Crisis in a Channel
AbstractThe mechanism of the formation of large vapor agglomerates was experimentally studied in a subcooled water flow boiling in a channel at a...
