Publications related to Flow Boiling in Horizontal Tubes. Part 3; Development of a New Heat Transfer Model Based on Flow Pattern

Experimental study on condensation heat transfer in vertical minichannels for new refrigerant R1234ze(E) versus R134a and R236fa

John Richard Thome, Lorenzo Consolini, Farzad Vakili Farahani, Jung Eung Park

Experimental condensation heat transfer data for the new refrigerant R1234ze(E), trans-1,3,3,3-tetrafluoropropene, are presented and compared with refrigerants R134a and R236fa for a vertically aligned, aluminum multi-port tube. Local condensation heat tra ...

Elsevier2011

Flow Boiling of R134a in a Multi-Microchannel Heat Sink with Hotspot Heaters for Energy-Efficient Microelectronic CPU Cooling Applications

John Richard Thome, Jonathan Olivier, Etienne Costa-Patry, Yassir Madhour, Bruno Michel

This paper focuses on two-phase flow boiling of refrigerant R134a inside a copper multi-microchannel heat sink for microelectronic central processing unit cooling applications. The heat sink is composed of 100 parallel microchannels, 100 mu m wide, 680 mu ...

2011

A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

John Richard Thome, Lorenzo Consolini

The current study presents a one-dimensional model of confined coalescing bubble flow for the prediction of micro-channel convective boiling heat transfer. Coalescing bubble flow has recently been identified as one of the characteristic flow patterns to be ...

Elsevier2010

Mechanisms Of Boiling In Microchannels: Critical Assessment

John Richard Thome, Lorenzo Consolini

Numerous characteristic trends and effects have been observed in published studies on two-phase micro-channel boiling heat transfer. While macro-scale flow boiling heat transfer may be decomposed into nucleate and convective boiling contributions, at the m ...

Springer, 101 Philip Drive, Norwell, Ma 02061 Usa2010

Mechanisms of Boiling in Micro-Channels: Critical Assessment

John Richard Thome, Lorenzo Consolini

Taylor & Francis2010

Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

John Richard Thome, Jesus Moreno Quiben, Ricardo Lima

The present study presents new flow boiling heat transfer results of R-134a flowing inside a 13.84 mm internal diameter, smooth horizontal copper tube. The heat transfer measurements were made over a wide range of test conditions: saturation temperatures o ...

2009

Flow boiling in horizontal flattened tubes: Part II – Flow boiling heat transfer results and model

John Richard Thome, Jesus Moreno Quiben, Ricardo Lima

Experiments of flow boiling heat transfer were conducted in four horizontal flattened smooth copper tubes of two different heights of 2 and 3 mm. The equivalent diameters of the flattened tubes are 8.6, 7.17, 6.25, and 5.3 mm. The working fluids were R22 a ...

2009

Ammonia two-phase flow in a horizontal smooth tube: Flow pattern observations, diabatic and adiabatic frictional pressure drops and assessment of prediction methods

John Richard Thome, Jesus Moreno Quiben, Ricardo Lima

The present study illustrates new experimental two-phase flow pattern observations together with diabatic boiling and adiabatic two-phase frictional pressure drop results for ammonia (R7117) flowing inside a 14-mm internal diameter, smooth horizontal stain ...

2009

Micro-channel flow boiling heat transfer of R-134a, R-236fa, and R-245fa

John Richard Thome, Lorenzo Consolini

The rapid development of micro-thermal technologies has conveyed an increasing interest on convective boiling in micro-channels. Although there is general agreement that these systems may be able to dissipate potentially very high heat fluxes per unit volu ...

Springer-Verlag2009

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Flow Boiling in Horizontal Tubes. Part 3; Development of a New Heat Transfer Model Based on Flow Pattern

Experimental study on condensation heat transfer in vertical minichannels for new refrigerant R1234ze(E) versus R134a and R236fa

Flow Boiling of R134a in a Multi-Microchannel Heat Sink with Hotspot Heaters for Energy-Efficient Microelectronic CPU Cooling Applications

A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

Mechanisms Of Boiling In Microchannels: Critical Assessment

Macro-to-Microchannel Transition in Two-Phase Flow and Evaporation

Mechanisms of Boiling in Micro-Channels: Critical Assessment

Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

Flow boiling in horizontal flattened tubes: Part II – Flow boiling heat transfer results and model

Ammonia two-phase flow in a horizontal smooth tube: Flow pattern observations, diabatic and adiabatic frictional pressure drops and assessment of prediction methods

Micro-channel flow boiling heat transfer of R-134a, R-236fa, and R-245fa

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Experimental study on condensation heat transfer in vertical minichannels for new refrigerant R1234ze(E) versus R134a and R236fa

Flow Boiling of R134a in a Multi-Microchannel Heat Sink with Hotspot Heaters for Energy-Efficient Microelectronic CPU Cooling Applications

A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

Micro-channel flow boiling heat transfer of R-134a, R-236fa, and R-245fa

Flow boiling in horizontal flattened tubes: Part II – Flow boiling heat transfer results and model

Macro-to-Microchannel Transition in Two-Phase Flow and Evaporation

Mechanisms Of Boiling In Microchannels: Critical Assessment

Flow boiling in horizontal smooth tubes: New heat transfer results for R-134a at three saturation temperatures

Mechanisms of Boiling in Micro-Channels: Critical Assessment

Ammonia two-phase flow in a horizontal smooth tube: Flow pattern observations, diabatic and adiabatic frictional pressure drops and assessment of prediction methods