Results 21 to 30 of about 536,357 (301)

Evaluation of performance of dimethyl ether and high-pressure refrigerants under varied evaporating temperature [PDF]

BIO Web of Conferences
Dimethyl ether is an organic compound that has the potential to be used as an environmentally friendly refrigerant. In this study, the performance of dimethyl ether refrigerant was tested and compared with other refrigerants having high working pressure,
Mitrakusuma Windy H., Setyawan Andriyanto, Simbolon Luga M.   +2 more
doaj   +1 more source

Performance comparison of cooling systems using R410a and RE170 as working fluids at various condensing temperature [PDF]

BIO Web of Conferences
In addition to being used as a fuel and propellant, dimethyl ether (RE170) can also be used as an environmentally friendly refrigerant. Apart from having zero ozone depletion potential (ODP), this compound also has a very low global warming potential ...
Setyawan Andriyanto, Mitrakusuma Windy H., Simbolon Luga M.   +2 more
doaj   +1 more source

Numerical analysis of flow and heat transfer enhancement in a horizontal pipe with P-TT and V-Cut twisted tape

Case Studies in Thermal Engineering, 2018
In this work, forced convection heat transfer through a horizontal pipe built-in with/without twisted tape-inserts is numerically studied under a uniform heat flux condition. Water is used as a working fluid.
Azher M. Abed, Hasan Sh. Majdi, Zainab Hussein, Doaa Fadhil, Ammar Abdulkadhim   +4 more
doaj   +1 more source

Improving the performance of air conditioning unit by using a hybrid technique

MethodsX, 2022
An Air Conditioning Unit with magnetic field and different tubes was designed, fabricated and evaluated in this study. The Effect of magnetic field and different types of tubes on the performance of Air Conditioning was studied experimentally.
Kayser Aziz Ameen, Husam Abdulrasool hasan, Mustafa J. Al-Dulaimi, Azher M. Abed, Haidar F. Al-Qrimli   +4 more
doaj   +1 more source

A numerical investigation of the increase in heat transfer in a half-cylindrical container filled with phase change copper rods

Case Studies in Thermal Engineering, 2022
Phase change materials (PCMs) are capable of storing and removing a significant quantity of latent heat from heating storage systems. PCMs such as paraffin wax are used because they store a large amount of energy in a relatively small space while ...
Ali Basem, Karrar A. Hammoodi, Ammar M. Al-Tajer, A.M. Mohsen, Ihab Omar   +4 more
doaj   +1 more source

Flow characteristics and velocity fields of a front opening unified pod at open door condition

Case Studies in Thermal Engineering, 2020
Particle contamination decreases product quality in semiconductor industries. Nowadays, the size of the chips and features has significantly reduced; thus increasing the importance of moisture removal from front opening unified pods during manufacturing ...
Tee Lin, Omid Ali Zargar, Dexter Lyndon Sabusap, Oscar Juiña, Tzu-Chieh Lee, Shih-Cheng Hu, Graham Leggett   +6 more
doaj   +1 more source

Modeling and Thermodynamic Analysis of Solar Collector Cogeneration for Residential Building Energy Supply

Journal of Engineering, 2022
Concerns about limited energy resources and environmental problems are growing. One of the solutions to increase energy efficiency is to produce it sparsely. In this regard, cogeneration systems are of particular importance. The home sector is one of the
Ghassan F. Smaisim, Azher M. Abed, Salema K. Hadrawi, Ali Shamel   +3 more
doaj   +1 more source

Building thermal performance, extreme heat, and climate change [PDF]

, 2017
The leading source of weather-related deaths in the United States is heat, and future projections show that the frequency, duration, and intensity of heat events will increase in the Southwest.
Chester, MV, Eisenman, D, English, P, Nahlik, MJ, Pincetl, SS, Sivaraman, D   +5 more
core   +2 more sources

Experimental study of a counter-flow regenerative evaporative cooler [PDF]

, 2016
This paper aims to investigate the operational performance and impact factors of a counter-flow regenerative evaporative cooler (REC). This was undertaken through a dedicated experimental process.
Dong, Xuelin, Duan, Zhiyin, Zhan, Changhong, Zhao, Xudong   +3 more
core   +1 more source

Experimental and theoretical research on the electrical conductivity of a liquid desiccant for the liquid desiccant air-conditioning system: LiCl aqueous solution [PDF]

, 2018
At present, the energy consumption in buildings occupies a large proportion of total energy use, and air-conditionings cost a large proportion of energy in the buildings. The liquid desiccant air-conditioning system has a good energy saving potential and
Cheng, Q, Feng, W, Wang, H, Xu, W
core   +1 more source