Results 31 to 40 of about 387 (138)

Experimental study on + shaped high conductivity constructal channels based on entransy theory

open access: yesActa Physica Sinica, 2016
Based on constructal theory and entransy theory, an experimental study on + shaped high conductivity channels in a square body is carried out. Heat conduction performance comparisons of the bodies based on different optimization objectives and different layouts of the high conductivity channels are performed.
null Feng Hui-Jun   +3 more
openaire   +1 more source

Feasibility Study on Entransy Analysis Applied in the Operation Optimization of Air Conditioning Systems

open access: yesZhileng xuebao, 2018
To optimize the operation of air conditioning systems, the extremum entransy increase principle is proposed, and an entransy loss model for each component and entransy increase model for the whole system are established for air conditioning systems based
Huang Tingting   +2 more
doaj  

Experimental and Numerical Studies on Phase Change Materials [PDF]

open access: yes, 2018
Phase change materials (PCMs) are attracting significant attentions in research and application, categorized into mainly three types, that is, organic (O), inorganic (IO) and eutectic (E).
Wang, Cheng, Zhu, Ye
core   +1 more source

Constant depth microfluidic networks based on a generalised Murray’s law for Newtonian and power-law fluids [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +4 more
core  

Optimization Design of the Heat Exchangers in Fan Coil Units Using Genetic Algorithm

open access: yesZhileng xuebao, 2015
In this study, an optimization method based on genetic algorithm and entransy dissipation theory is applied to the optimization design of the plate fin and tube heat exchangers in fan coil units. Two examples, i.e. the heat exchanger in a cooling dry fan
Li Ning, Cui Zengguang, Zhang Xinrong
doaj  

Model and experiment of heat and moisture transfer process of exhaust air flow strengthened by wet hydrophobic fiber grid

open access: yesMeitan xuebao
How to approach the limit of heat and humidity energy extraction from exhaust air flow is a difficult problem for low-grade waste heat recovery technology in mines, and the key is to explore new ways to strengthen heat and moisture transfer between gas ...
Shengxiang WU   +6 more
doaj   +1 more source

Optimizing distributed solar energy economics: A machine learning classification approach to storage system management

open access: yesCase Studies in Thermal Engineering
The integration of solar energy systems with battery storage presents complex economic optimization challenges in distributed energy networks, where traditional approaches fail to address the interdependencies between generation variability, storage ...
Lyu Wenhui   +5 more
doaj   +1 more source

On the enhancement of heat transfer in a backward-facing step using porous baffles [PDF]

open access: yes, 2023
The backward-facing step is a geometry often used not only to investigate the accuracy and performance of numerical models, but also to analyse fundamental flow and heat transfer characteristics, and the impact of different configurations for the most ...
Cavaleiro Costa, Sérgio   +2 more
core  

Optimum insulation thickness determination using the environmental and life cycle cost analyses based entransy approach [PDF]

open access: yes, 2015
In this study, optimum insulation thickness is investigated according to the entransy loss. Analyses are carried out using rockwool and glasswool as insulation materials. Two different analyses are applied to the building walls.
Acikkalp, Emin   +4 more
core   +2 more sources

Thermoeconomic analysis of spiral heat exchanger with constant wall temperature [PDF]

open access: yes, 2019
Thermoeconomic analysis of spiral heat exchanger is conducted. Different geometrical parameters, such as outer diameter, plate height, passage gap, etc. are used and varied in a wide range. Detailed thermal and total costs analyses were performed for two
El-Sagier, Faraj   +5 more
core   +4 more sources

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