Showing papers in "Applied Thermal Engineering in 2015"

TL;DR: In this paper, an experimental single stage heat transformer (SSHT) with water/carrol mixture was analyzed. But the performance of the SSHT was not evaluated. But four test runs were carried out in order to evaluate the performance and the heat powers were measured from 0.99 to 1.35.

TL;DR: In this paper, the augmentation in heat transfer for a shell and tube type LHSU is estimated by carrying out experimental analysis with three longitudinal fins installed on the heat transfer fluid (HTF) tube.

TL;DR: In this article, the paraffin/aluminum foam composite phase change material (PCM) was investigated experimentally and the experimental results indicate that the use of aluminum foam can speed up the melting process and improve the temperature uniformity of the PCM.

TL;DR: In this paper, a thermal model for LiFePO4 battery pack is developed and solved in couple with the governing equations of fluid flow in the numerical simulations, and experiments for model validation are conducted on a single cell of the battery pack with forced-air cooling system.

TL;DR: In this paper, an optimized heat pipe thermal management system (HPTMS) is proposed for fast charging lithium ion battery cell/pack, and a numerical model is developed and comprehensively validated with experimental results.

TL;DR: In this article, the development of the effective thermal conductivity models for the nanoporous silica aerogel insulation material was summarized, and the procedure of establishing the effective heat transfer model of the aerogels insulation material from nanoscale to macroscale was introduced by taking their previous work as an illustration.

TL;DR: In this paper, the authors investigated the ash deposition mechanism based on the results obtained from a full-scale boiler (350MW) burning Zhundong coal, and a fixed bed reactor used for ash evaporating-condensing.

TL;DR: In this article, carbon fibers were added to a phase change material (PCM) to enhance its heat transfer potentials and various strategies were adopted to manage temperature distribution around a single AA-battery-like simulator.

TL;DR: In this article, a well dispersed ethylene glycol (EG) based nanofluids containing ZnO nanoparticles with different mass fractions between 1.75% and 10.5% were prepared by a typical two-step method.

TL;DR: In this paper, the authors provide a full experimental characterisation of heat pipe battery cooling and heating covering a range of battery 'off-normal' conditions, and show that the proposed method is able to keep the battery surface temperature below 40 °C if the battery generates less than 10 W/cell, and helps reduce the battery temperature down to 70 °C under uncommon thermal abuse conditions.

TL;DR: In this article, a detailed parametric investigation was undertaken to study effects of different ventilation types and velocities, gap spacing between neighbor batteries, temperatures of environment and entrance air, amount of single row cells and battery diameter on the thermal management performance of battery pack.

TL;DR: In this article, the thermal conductivities and the effect of Cu-H 2 O nanofluids on the efficiency of a flat-plate solar collector were investigated experimentally.

TL;DR: In this paper, a lauric acid-based phase change nanocomposites with chemically functionalized graphene nanoplatelets and measured its thermal conductivity using transient hot wire method.

TL;DR: In this paper, a dip-coating method starting from a water suspension of SAPO-34 zeolite and a silane-based binder was applied on a finned flat-tubes aluminum heat exchanger realizing a full-scale AdHEx with an uniform adsorbent coating 0.1mm thick and a metal/adsorbent mass ratio of 6.6.

TL;DR: In this article, the relevant research studies for getting insight into the application and research status of the scroll expander applied to ORC, including its technical features, performances and the main technical limitations existing in application.

TL;DR: In this paper, a transient thermal model of 5 × 5 battery module with forced air cooling is developed based on the empirical heat source model, which can be widely applied in the battery module/pack thermal modeling.

TL;DR: In this article, a review of experimental, mechanism and model research progresses in condensation in the presence of non-condensable gases (NCG) is given, with a brief review of dropwise condensation (DWC).

TL;DR: In this paper, different temperatures in the range of 180-300°C were applied to evaluate the effect of hydrothermal carbonization (HTC) temperature on hydrochar fuel characteristics and thermal behavior.

TL;DR: In this article, the use of lubricating oil as a coolant for electrical motors has been investigated and the influence of the oil flow rate, rotation speed and oil temperature on the stator coil end-windings was investigated.

TL;DR: In this article, numerical sensitivity analyses were performed to investigate the thermo-mechanical response of a full-scale energy pile for different pipe configurations, foundation aspect ratios, mass flow rates of the fluid circulating in the pipes and fluid mixture compositions.

TL;DR: In this article, the authors present a numerical model for phase change material (PCM) solidification in thermal storage coaxial tubes with internal and external horizontal fins for conditioning systems with two air passages.

TL;DR: An improved double-layered microchannel heat sink (DL-MCHS) with truncated top channels was proposed in this paper, where the advantages of the design were studied numerically by a three-dimensional solid-fluid conjugate heat transfer model.

TL;DR: In this article, a CFD model was built to simulate the details of the two-phase flow and heat transfer phenomena during the start-up and steady-state operation of a thermosyphon.

TL;DR: In this paper, the behavior of phase change materials (PCMs) as the cooling system for electronic devices was investigated and it was shown that the combination of PCM and long, well-spaced fins presents an effective means for thermal control of electronic devices.

TL;DR: In this article, the liquid flow and conjugated heat transfer performance of single phase laminar flow in rectangular microchannels equipped with longitudinal vortex generators (LVGs) are numerically investigated.

TL;DR: In this article, a review of recent researches on the pool boiling heat transfer behavior of nanofluid is presented, where the authors discuss the effects of various parameters on pool boiling.

TL;DR: In this paper, the authors presented the application of hydrophobic polydimethylsiloxane-silica coating for the development of biphilic surfaces that are designed to enhance the heat transfer during boiling.

TL;DR: In this article, the authors reviewed the status of electric vehicle thermal management worldwide, meanwhile, the basic proposal for further development in the field was presented, and a coming work should aim at more research on basic problems, such as exploration of efficient and compact liquid heat exchanger, precise and synergy control of battery thermal management (BTM), cold and hot impact phenomena and improving method, mechanism of thermal runaway, ignition and explosion and relative inhibition method, establishment of EV integrated thermal management system, low energy consumption and frosting inhibition of HP, reutilization of vehicle-mounted energy

TL;DR: In this article, an experimental study on the influence of operation modes on the heating performance of a solar assisted ground source heat pump system (SAGSHPS) was conducted in Dalian, China.

TL;DR: In this article, the effect of the size of the nozzle orifice on the performance of a turbulent jet ignition system was investigated and it was shown that increasing the diameter of the orifice increased the Reynolds number of the discharging jet.