Results 11 to 20 of about 1,536 (255)

Progress in Hydrogen Liquefaction Technology With Mixed Refrigerant

发电技术, 2023
The pollution-free characteristics of hydrogen energy make it a necessary means to achieve the goals of “carbon peaking” and “carbon neutralization” in China.
ZHAO Lianpeng, ZHANG Zhenyang, AN Gang, YANG Shenyin   +3 more
doaj   +1 more source

Optimal selection of two-phase tube-side heat transfer model for small-scale LNG spiral wound heat exchanger [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2019
Small-scale devices of liquefied natural gas (LNG) have been widely applied in the natural gas industries, especially for stranded gas production. As the key equipment of LNG plants, the performance of the spiral wound heat exchanger (SWHE) influences ...
Sun Chongzheng, Li Yuxing, Han Hui, Zhu Jianlu   +3 more
doaj   +1 more source

Application of Computer Simulation Technology in Liquefied Natural Gas Process

Chemical Engineering Transactions, 2018
In this paper, this paper adopts the sequential modular approach to stimulate the process of natural gas propane precooling mixed refrigerant liquefied natural gas through the computer.
Weidong Wang
doaj   +1 more source

Hydrogen Liquefaction Process with Mixed Refrigerant Pre-cooling [PDF]

E3S Web of Conferences
A novel hydrogen liquefaction process based on precooled mixed refrigerant is proposed in this paper. The specific energy and the exergy loss are also analyzed.
Liu Zilong, Zhao Lianpeng, Feng Yangmin
doaj   +1 more source

Optimization of a Mixed Refrigerant Based H₂ Liquefaction Pre-Cooling Process and Estimate of Liquefaction Performance with Varying Ambient Temperature

Energies, 2021
Hydrogen used as an energy carrier can provide an important route to the decarbonization of energy supplies, but realizing this opportunity will require both significantly increased production and transportation capacity.
Steven Jackson, Eivind Brodal
doaj   +1 more source

Performance Enhancement of Vapor Compression Refrigeration System using CuO Nano Particles in CARE 30 Test Rig [PDF]

Iranica Journal of Energy and Environment, 2020
The refrigeration system excution with the nano oil was explored to enhance the coefficient of performance (COP) of the vapor compression refrigeration system (VCRS) using CARE 30 which is a mixture of 50% refrigerant R200 and 50% refrigerant R600a in ...
M. Kaleemullah, H. Zahir, M. Azizuddin
doaj   +1 more source

Experimental study of a domestic refrigerator using (SiO2/PAG oil/R- 134a) nano-refrigerant as a replacement for pure R-134a

Al-Qadisiyah Journal for Engineering Science, 2022
This research studies the influence of using SiO2 nano-particles of 50nm in a Vapor Compression Refrigeration System (VCRS), along with Poly-alkylene Glycol (PAG) oil and R-134a mixed to create a nano-refrigerant.
Dalya Shaker Qaid, Abbas Alwi Sakhir
doaj   +1 more source

Experimental Investigation of Vapor Compression Refrigeration System Performance Using Nano-Refrigerant

Wasit Journal of Engineering Sciences, 2014
     Experimental investigation of vapor compression refrigeration system performance using Nano-refrigerant is presented in this work. Nano-refrigerant was prepared in current work by mixing 50 nanometers diameter of copper oxide CuO nanoparticles with
Ahmed J. Hamad
doaj   +1 more source

Enhancing Semiconductor Chiller Performance: Investigating the Performance Characteristics of Ultra-Low-Temperature Chillers Applying a Liquid Receiver

Energies
This study investigates the implementation of a cryogenic chiller utilizing a mixed-refrigerant cascade refrigeration cycle (MRCRC). In this setup, R-404A is employed in the high-temperature circuit (HTC), while a mixture of refrigerants is utilized in ...
Joon-Hyuk Lee, Hye-In Jung, Su-Been Lee, Chang-Hyo Son   +3 more
doaj   +1 more source

Constraint Formulations for Optimisation of Dual Mixed Refrigerant LNG Processes

Chemical Engineering Transactions, 2017
Optimisation of a dual mixed refrigerant LNG process is challenging due to its rather complex structure. Therefore, appropriate constraint formulations are essential to solve the optimisation problem.
D. Kim, T. Gundersen
doaj   +1 more source