Search Results - "Sunden, Bengt"

Effects of gas diffusion layer deformation on the transport phenomena and performance of PEM fuel cells with interdigitated flow fields by Li, Shian, Sundén, Bengt

“…In this study, a three-dimensional, non-isothermal, two-phase flow mathematical model is developed and applied to investigate the effect of the GDL deformation…”
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Three-dimensional modeling and investigation of high temperature proton exchange membrane fuel cells with metal foams as flow distributor by Li, Shian, Sundén, Bengt

“…Flow field design of fuel cells has a significant impact on the distribution of the reactants over the active surface area. In this work, the cell performance…”
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A review of heat transfer and pressure drop characteristics of single and two-phase microchannels by Asadi, Masoud, Xie, Gongnan, Sunden, Bengt

“…An impressive amount of investigations has been devoted to enhancing thermal performance of microchannels. The small size of microchannels and their ability to…”
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Energy saving in thermal energy systems using dimpled surface technology – A review on mechanisms and applications by Rashidi, Saman, Hormozi, Faramarz, Sundén, Bengt, Mahian, Omid

“…•Reviews the benefits of dimpled surfaces in energy related applications.•Discusses mechanisms of flow structure and enhancement.•Provides pros and cons of…”
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Effects of hybrid nanofluid mixture in plate heat exchangers by Huang, Dan, Wu, Zan, Sunden, Bengt

“…•Heat transfer and pressure drop of a hybrid nanofluid mixture were studied.•Heat transfer enhancement was observed for the hybrid nanofluid mixture.•A small…”
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A brief review on convection heat transfer of fluids at supercritical pressures in tubes and the recent progress by Huang, Dan, Wu, Zan, Sunden, Bengt, Li, Wei

“…•Convection heat transfer at supercritical pressures.•Review and recent progress.•Thermophysical properties at supercritical pressures.•Heat transfer…”
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An investigation of the thermo-hydraulic performance of the smooth wavy fin-and-elliptical tube heat exchangers utilizing new type vortex generators by Lotfi, Babak, Sundén, Bengt, Wang, Qiuwang

“…•The present study aims to develop a new shape of vortex generator.•3D simulation on a SWFET heat exchanger with new VGs was conducted.•The CARW VGs can…”
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Dimensionless analysis on liquid-liquid flow patterns and scaling law on slug hydrodynamics in cross-junction microchannels by Cao, Zhen, Wu, Zan, Sundén, Bengt

“…•Experiments on flow pattern in liquid-liquid flow.•Acqueous phase continuous, organic phase dispersed.•Scaling law on slug hydrodynamics is developed.•Provide…”
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Performance analysis of a plate heat exchanger using various nanofluids by Zheng, Dan, Wang, Jin, Chen, Zhanxiu, Baleta, Jakov, Sundén, Bengt

“…•Heat transfer performance of nanofluids in a plate heat exchanger is investigated.•The maximum enhancement in average Nu is 22.6% for 1.0 wt.% Fe3O4-water…”
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Effects of agglomerate model parameters on transport characterization and performance of PEM fuel cells by Li, Shian, Yuan, Jinliang, Xie, Gongnan, Sundén, Bengt

“…A three-dimensional, non-isothermal and two-phase flow model for proton exchange membrane (PEM) fuel cells is developed. In the cathode catalyst layer, a…”
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Pressure drop and convective heat transfer of Al2O3/water and MWCNT/water nanofluids in a chevron plate heat exchanger by Huang, Dan, Wu, Zan, Sunden, Bengt

“…•Thermal performance of nanofluids in a brazed plate heat exchanger.•Experiments on heat transfer and pressure drop.•Revealed importance of presenting data.•No…”
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On mechanisms and models of multi-component gas diffusion in porous structures of fuel cell electrodes by Yuan, Jinliang, Sundén, Bengt

“…Small scale particles/pores from micrometers and down to nanometers often occur in multi-functional porous electrodes in fuel cells, to enhance the catalytic…”
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Saturated pool boiling heat transfer of acetone and HFE-7200 on modified surfaces by electrophoretic and electrochemical deposition by Wu, Zan, Cao, Zhen, Sundén, Bengt

“…•Modified porous surfaces enhance pool boiling performance of well-wetting liquids.•A dynamic force balance could predict bubble departure diameter.•A…”
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Thermo-Hydraulic Performance Enhancement of Finned Elliptical Tube Heat Exchangers by Utilizing Innovative Dimple Turbulators by Lotfi, Babak, Sundén, Bengt

“…As a new type of fin structure in finned tube heat exchangers, dimple turbulators exhibit excellent potential for thermo-hydraulic performance enhancement. A…”
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Transient numerical modeling and model predictive control of an industrial-scale steam methane reforming reactor by Wang, Jingyu, Wei, Shangshang, Wang, Qiuwang, Sundén, Bengt

“…A steam methane reforming reactor is a key equipment in hydrogen production, and numerical analysis and process control can provide a critical insight into its…”
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Optimization of melting performance of a heat storage tank under rotation conditions: Based on taguchi design and response surface method by Huang, Xinyu, Li, Fangfei, Li, Yuanji, Meng, Xiangzhao, Yang, Xiaohu, Sundén, Bengt

“…The melting performance of a rotating triplex-tube latent heat thermal energy storage unit is studied by numerical simulation method. The Taguchi design and…”
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Investigation and optimization on melting performance of a triplex-tube heat storage tank by rotational mechanism by Huang, Xinyu, Li, Fangfei, Li, Yuanji, Gao, Xinyu, Yang, Xiaohu, Sundén, Bengt

“…ØThe rotating mechanism is applied to a triplex-tube LHTES system.ØThe effect of rotation on heat transfer during melting of PCM is studied.ØResponse surface…”
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On further enhancement of single-phase and flow boiling heat transfer in micro/minichannels by Wu, Zan, Sundén, Bengt

“…With fast growing power consumption and device miniaturization, micro/minichannels are superior to macrochannels or conventional channels for high heat-flux…”
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Liquid-liquid flow patterns and slug hydrodynamics in square microchannels of cross-shaped junctions by Wu, Zan, Cao, Zhen, Sundén, Bengt

“…•Flow regimes were mapped for square microchannels of cross-shaped junctions.•Smaller channel size expands the tubing regime and narrows the dripping…”
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Heat transfer prediction and critical heat flux mechanism for pool boiling of NOVEC-649 on microporous copper surfaces by Cao, Zhen, Wu, Zan, Sundén, Bengt

“…•An experimental study of NOVEC-649 pool boiling on microporous surfaces.•600% enhancement in heat transfer coefficient.•55% enhancement in critical heat…”
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