Theoretical and numerical analysis on phase change materials (PCM): A case study of the solidification process of erythritol in spheres

10.1016/j.ijheatmasstransfer.2017.11.124

2017-12-01

Phase change materials (PCM) present great potential for energy efficiency gains in thermal systems by storing solar energy or waste heat in industrial processes. This is due to the great amount of energy stored per mass unit within a small temperature range....

Experimental and analytical study on nucleate pool boiling heat transfer of R134a/R245fa zeotropic mixtures

10.1016/j.ijheatmasstransfer.2017.11.143

2017-12-01

In the present study, the nucleate pool boiling heat transfer characteristics of zeotropic binary mixtures (R134a/R245fa) with different blending ratios, as well as their pure components, were experimentally investigated in a visualized pressure vessel. For e...

A mesh-free Monte-Carlo method for simulation of three-dimensional transient heat conduction in a composite layered material with temperature dependent thermal properties

10.1016/j.ijheatmasstransfer.2017.11.140

2017-12-01

A new solution for the three-dimensional transient heat conduction from a homogeneous medium to a non-homogeneous multi-layered composite material with temperature dependent thermal properties using a mesh-free Monte-Carlo method is proposed. The novel contri...

Similarity type of general solution for one-dimensional heat conduction in the cylindrical coordinate

10.1016/j.ijheatmasstransfer.2017.11.131

2017-12-01

One-dimensional heat conduction process in the cylindrical coordinate is investigated, and a similarity type of general solution is developed using the Kummer functions. The limiting behaviors of the general solution are studied using the properties of the Ku...

Light field imaging analysis of flame radiative properties based on Monte Carlo method

10.1016/j.ijheatmasstransfer.2017.11.122

2017-11-28

Light field imaging, which is one of the noncontact flame measurement methods, can capture and record multiangle radiative intensity information of a flame through a single shot. After the postprocessing and integration of the flame information, the three-dim...

Wettability modification to further enhance the pool boiling performance of the micro nano bi-porous copper surface structure

10.1016/j.ijheatmasstransfer.2017.11.080

2017-11-28

Boiling heat transfer is widely used in industry and in daily life and it can be enhanced by micro/nano surface modification. Herein, we study the pool boiling characteristics of the micro nano bi-porous copper surface with optimal cavity size from other rese...

Characteristics of heat and water transfer through a porous plate

10.1016/j.ijheatmasstransfer.2017.11.082

2017-11-27

In this study, an experimental measurement system was established to examine the heat and water transfer process for a porous plate in the self-humidifying system of a fuel cell. The physical parameters of the fluid flow and porous plates were evaluated for t...

Convective heat transfer of a rotating multi-stage cavity with axial throughflow

10.1016/j.ijheatmasstransfer.2017.11.110

2017-11-25

The heat transfer characteristics in an engine-like rotating multi-stage cavity with axial throughflow are experimentally investigated. The cavity is a model of high pressure compressor in gas turbine, which has a gap ratio of 0.24 and a radius ratio of 0.23....

Heat transfer by water flowing through rough fractures and distribution of local heat transfer coefficient along the flow direction

10.1016/j.ijheatmasstransfer.2017.11.102

2017-11-25

Heat transfer coefficient is a significant parameter that can describe the characteristics of the heat transfer process of fluid through fracture surface and can be used to predict hot water production from an enhanced geothermal reservoir and conventional ge...

Flow and heat transfer characteristics and optimization study on the water-cooled microchannel heat sinks with dimple and pin-fin

10.1016/j.ijheatmasstransfer.2017.11.112

2017-11-25

In order to develop high-efficiency low-resistance heat exchangers, the heat transfer performance and further optimization of water-cooled microchannel heat sink with dimple and pin-fin were numerically studied in this work. Firstly, the combination effects o...