Results 91 to 100 of about 703,374 (204)

Topological Invariants of Vapor-Liquid, Vapor-Liquid-Liquid and Liquid-Liquid Phase Diagrams. [PDF]

Entropy (Basel), 2021
Frolkova AV.
europepmc   +1 more source

Experimental Investigation and Correlation Assessment of Condensation Heat Transfer for Low-GWP Alternative Refrigerants in a Horizontal Smooth Tube

Energies
Condensation heat transfer and frictional pressure drop of R410A, R455A, R454C, and a newly proposed ternary low-GWP (Low-Global Warming Potential) refrigerant (R1234yf/R13I1/R32) were experimentally investigated in a horizontal smooth tube.
Fauzan, Sarath Sasidharan Nair Sherly, Young Soo Chang   +2 more
doaj   +1 more source

Opportunities of waste heat recovery from various sources: Review of technologies and implementation. [PDF]

Heliyon, 2023
Ononogbo C, Nwosu EC, Nwakuba NR, Nwaji GN, Nwufo OC, Chukwuezie OC, Chukwu MM, Anyanwu EE.   +7 more
europepmc   +1 more source

Review of Research Progress on Auto-Cascade Refrigeration Systems and Component Separation, Migration, and Regulation

Zhileng xuebao
Auto-cascade refrigeration technology has broad application prospects in refrigeration and cryogenic refrigeration owing to its wide operating temperature range, simplicity, and reliability.
Li Yinlong, Liu Guoqiang, Liu Jiarui, Chen Qi, Yan Gang   +4 more
doaj  

CFD-guided thermodynamic evaluation of zeotropic mixtures in vertical channels for sustainable heat pump systems

Case Studies in Thermal Engineering
Zeotropic refrigerant mixtures are pivotal for decarbonizing heat pump technologies, particularly in emerging district heating applications, due to their compositional versatility and temperature glide characteristics.
Zongguo Xue, Jierong Liang, Wilko Rohlfs, Yunfei Yan, Chenghua Zhang, Yonghong Wu, Tingting Zhu   +6 more
doaj   +1 more source

Experimental study on the pressure-drop characteristics of the zeotropic R134a/R245fa mixture in a mini-channel

The organic Rankine cycle (ORC) is one of the promising advanced power-cycle technologies for recovering low- and medium-grade energy. However, the flow characteristics of zeotropic organic working fluids strongly affect system energy efficiency and have
Kangming Wang, Biyun Huang, Zhendong YANG, Qiaoling Zhang, Haoran Ma, Jinhua Li, Bin Jiang   +6 more
core   +1 more source

Effectiveness analysis of a binary ORC power plant with zeotropic organic fluid [PDF]

A review of the available literature shows that analyses of organic Rankine cycle systems with a zeotropic mixture working medium practically concern single-circuit systems.
Bańkowski, Michał, Wiśniewski, Sławomir   +1 more
core   +1 more source

Analysis of the Maximum Efficiency and the Maximum Net Power as Objective Functions for Organic Rankine Cycles Optimization. [PDF]

Entropy (Basel), 2023
González J, Garrido JM, Quinteros-Lama H.   +2 more
europepmc   +1 more source

Flow boiling heat transfer of a zeotropic binary mixture of new refrigerants inside a single microchannel

, 2016
This study presents an experimental investigation of flow boiling of a zeotropic mixture in a microchannel. In the recent years much attention has been paid to the possible use of fluorinated propene isomers for the substitution of HFC fluids, being in
DEL COL, DAVIDE, BORTOLIN, STEFANO, AZZOLIN, MARCO   +2 more
core   +1 more source

Exergoeconomic Analysis of a Mechanical Compression Refrigeration Unit Run by an ORC. [PDF]

Entropy (Basel), 2023
Taban D, Apostol V, Grosu L, Balan MC, Pop H, Dobre C, Dobrovicescu A.   +6 more
europepmc   +1 more source