...Proceedings of the ASME 2022 Heat Transfer Summer Conference HT2022 July 11-13, 2022, Philadelphia, Pennsylvania HT2022-81866 NUMERICAL SIMULATION OF MULTIPLE BUBBLE INTERACTION DURING FLOW BOILING IN MICROCHANNELS Dewan Rahman1, Abhijit Mukherjee2 Department of Mechanical Engineering California...

...Proceedings of the ASME 2022 Heat Transfer Summer Conference HT2022 July 11-13, 2022, Philadelphia, Pennsylvania HT2022-85752 COMPARISON OF MICRO FIN ARRAY CONFIGURATIONS FOR HEAT TRANSFER ENHANCEMENT IN MICROCHANNELS Colton Frear1, Gerardo Carbajal1, Edwar Romero1 Department of Mechanical...

...Heat Transfer Characteristics of a Phase Change Material Fluid in Microchannels under Pulsating Flow Condition Abdul Aziz Shuvo Department of Mechanical Engineering Bangladesh University of Engineering & Technology Dhaka-1000, Bangladesh Email: abdulazizshuvo@gmail.com AKM M. Morshed, Ph.D...

...NUMERICAL STUDY OF GAS-LIQUID TWO-PHASE FLOW IN ULTRA-HIGH- ASPECT-RATIO MICROCHANNEL WITH CAPILLARY-STRUCTURED WALL Xiang Mei School of Mechanical Engineering, Shanghai Jiao Tong University Shanghai, China Zhenyu Liu School of Mechanical Engineering, Shanghai Jiao Tong University Shanghai, China...

.... After benchmarking the setup against pure fluids, variation of heat transfer coefficient, bubble growth, contact angles, are compared at different operating conditions. Results show strong degradation in heat transfer in mixtures, which increases with operating temperature. Microchannel Binary...

... The benefits of eliminating instabilities in two-phase microchannel flow with inlet orifices come with costs. This study describes the tradeoffs between microchannels with and without inlet orifices, focusing on results from critical heat flux data obtained for various orifice sizes and mass...

.... An open loop experimental setup was created to investigate heat transfer phenomena in evaporator. Experiments were carried out with variety of configurations. Evaporator consists of microchannel plates with groove width 100 and 300 micrometers, wick (metal and non-metal porous materials were used...

... 14 06 2010 An experimental system for single-phase gas flow in microchannels was set up. The effects of viscous heating on the temperature field in the flow were studied experimentally. Also, a theoretical model for the flow and heat transfer in the slip flow region was developed...

... 23 02 2010 Experiments are conducted with a perfluorinated dielectric fluid, Fluorinert FC-77, to investigate the effects of channel width, depth, and aspect ratio on flow boiling heat transfer and flow patterns in microchannels. Experiments are performed for a fixed mass flux of 630...

... in the effectiveness of the cold fluid. And the opposite trend happens when the temperature of the surroundings are lower than the inlet temperature of the cold fluid. Microchannel Heat exchangers NTU Effectiveness Parallel flow channels 1 Copyright © 2009 by ASME Proceedings of the ASME 2009 Heat...

... 23 02 2010 The thermal model of a balance counter flow microchannel heat exchanger subjected to external heat transfer and axial heat conduction is modeled in this paper. Three governing equations are developed, one for each of the two fluids and the third for the wall separating...

... 23 02 2010 The effect of external heat transfer and internal heat generation on the thermal performance of a balanced counter flow microchannel heat exchanger is theoretically analyzed in this paper. External heat transfer occurs due to the thermal interaction between ambient...

... by the inlet conditions. gas-liquid two-phase flow microchannel inlet geometry flow pattern pressure drop heat transfer 1 Copyright © 2007 by ASME Proceedings of HT2007 2007 ASME-JSME Thermal Engineering Summer Heat Transfer Conference July 8-12, 2007, Vancouver, British Columbia, CANADA HT2007...

... 10 07 2009 The effect of different parameters on dispersion of nanoparticles in a microchannel in slip flow regime is studied. The equations of particle motion and energy balance are solved numerically and the effect of particle diameter, starting position of particles in microchannel...

... 03 04 2009 De-ionized (DI) water flow in microchannels with periodically mounted in-line array of cubes is investigated experimentally. The array of 505 micron cubes are fabricated within silicon channels to generate so-called self-sustained oscillating flow for the purpose...

.... This paper also discusses the reasons for calculating heat flux based on heated area and based on wetted channel area. The need to identify clearly the basis of heat flux is addressed. boiling two phase heat transfer coefficient critical heat flux minichannel heat exchanger microchannel...

... 1980 s Tuckerman and Pease [1] Proceedings of HT-FED04 2004 ASM 1 Copyright © 2004 by ASME desorption rates and water vapor content in the refrigerant vapor stream increase with increases in heat flux and decrease with strong solution mass flow rate. Keywords: fractal-like branching, microchannel, two...

... bubble formation and desorption through the membrane under high heat flux and low inlet flow conditions. desorption microchannel binary two-phase flow Proceedings of ASME HT-FED2004: Heat Transfer Fluids Engineering Summer Conference difference across the membrane, for an inlet mass fraction...