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Design analysis of supercritical carbon dioxide recuperator
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  The segmental design method is employed to accurately capture the drastic variations of properties in the supercritical carbon dioxide (S-CO2) recuperator. The local heat capacity flow rates of both fluids have drastic changes in sub-heat exchangers even the mass flow rates of both fluids remain unchanged. When...
Experimental study of frost formation on cold surfaces with various fin layouts
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  Frost formation significantly increases the heat transfer resistance on heat exchangers and the flow resistance in the channels, so there is great interest in understanding the frost formation mechanism on a finned surface. Frost formation was experimentally investigated on several complex finned surfaces, incl...
Shearlet regularization and dimensionality reduction for the temperature dist...
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  In this paper, a new dimensionality reduction based temperature distribution sensing (TDS) method is proposed to reconstruct the temperature distribution via the limited number of the scattered temperature measurement data. The projective nonnegative matrix factorization (PNMF) method is developed to exact the ...
Investigation on 3D flow field induced by a plasma actuator with serrated ele...
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  This paper presents an experimental investigation on flow field induced by a dielectric barrier discharge (DBD) plasma actuator with serrated electrodes in still air to further improve its flow control effectiveness. For comparison, the actuator with widely used linear electrodes was also studied. Experiments w...
A numerical study of the effects of pressure fluctuations inside injection no...
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  Effects of injection pressure fluctuations on high-pressure and evaporating spray behaviour,especially under the representative modern diesel engine injection conditions,were carefully evaluated by using a well validated two-stage modelling approach.The numerical results in-dicate that as the injection pressure...
Analysis of an absorption/absorption-compression refrigeration system for hea...
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  Absorption refrigeration systems are a promising way to reduce electricity consumption in the field of refrigeration and cooling. To improve the thermal energy utilization performance of the absorption refrigeration system, an absorption/absorption–compression refrigeration system with a large working range is...
A numerical study of effects of counter-current gas flow rate on local hydrod...
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  A three-dimensional Computational Fluid Dynamics (CFD) model based on the VOF method is developed to investigate the hydrodynamic characteristics of falling film over horizontal tubes. The model not only considers gravity and surface tension, but also considers drag force when counter-current gas flow is impose...
Numerical investigation of helically coiled tube from the viewpoint of field ...
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  The heat transfer characteristics of helically coiled tube are numerically investigated from the viewpoint of field synergy principle, and the simulation results have a good agreement with experimental results. The heat transfer enhancement of helically coiled tube can be attributed to the improvement of the sy...
Multi-parameter optimization design of parabolic trough solar receiver
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  The design parameters of parabolic trough solar receiver are interrelated and interact with one another, so the optimal performance of solar receiver cannot be obtained by the convectional single-parameter optimization. To overcome the shortcoming of single-parameter optimization, a multi-parameter optimization...
Thermodynamic analysis of absorption heat transformers using [mmim]DMP/H2O an...
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  The thermodynamic performances of absorption heat transformers (AHTs) using [mmim]DMP/H2O and [mmim]DMP/CH3OH as working fluids were numerically analyzed. Variations in coefficients of performance(COPs), exergy efficiencies, and circulation ratios of the [mmim]DMP/H2O and [mmim]DMP/CH3OH AHTs with varying opera...
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