Results 31 to 40 of about 9,122 (305)

Design sensitivity analysis of a plate-finned air-cooled condenser for waste heat recovery ORCs [PDF]

, 2015
The study is related to the design sensitivity analysis of a plate-finned tube bundle V-shaped air-cooled condenser design problem for a range of representative low-temperature waste heat recovery Organic Rankine Cycle (ORC) cases.
De Paepe, Michel, Kaya, Alihan, Lazova, Marija   +2 more
core   +1 more source

3D‐Printed Sulfur‐Derived Polymers With Controlled Architectures for Lithium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
Rheology‐guided formulation design for direct ink writing enables the fabrication of 3D sulfur copolymer cathodes with controlled architectures for lithium‐sulfur batteries. The printed electrodes exhibit multiscale porosity and high sulfur utilization, delivering enhanced electrochemical performance compared to conventional cast electrodes.
Bin Ling, Haoran Wang, Pan Yang, Rishav Agrawal, Alex R. Neale, Laurence J. Hardwick, Tom Hasell, Esther García‐Tuñón   +7 more
wiley   +1 more source

Study on Mixed Refrigerants Selecting and Matching of a Four Stage Auto-cascade Refrigeration

Zhileng xuebao, 2013
The selection and mixture ratio of the mixed refrigerants are important to a multistage auto-cascade refrigeration system. A simulation method was found for the mixed refrigerants selection and ratio calculation by using the commercial software REFPROP8 ...
Zhao Wei, Zhang Hua, Liu Ruixi, Xiao Chuanjing, Zhang Shuchun   +4 more
doaj  

A new heat transfer correlation based on flow patterns for hydrocarbon refrigerants condensation flow

Case Studies in Thermal Engineering
To accurately predict heat transfer coefficients for hydrocarbon refrigerants condensation flow in heat exchangers is imperative for designing efficient systems.
Xianshi Fang, Guodong Qiu, Qian Li, Jie Chen, Weihua Cai   +4 more
doaj   +1 more source

Probabilistic Flow Regime Map Modeling of Two-Phase Flow [PDF]

, 2006
The purpose of this investigation is to develop models for two-phase heat transfer, void fraction, and pressure drop, three key design parameters, in single, smooth, horizontal tubes using a common probabilistic two-phase flow regime basis ...
Chato, J.C., Jassim, E.W., Newell, T.A.
core  

EXPERIMENTS DURING FLOW BOILING OF A R22 DROP-IN: R422D ADIABATIC PRESSURE GRADIENTS [PDF]

, 2009
R22, the HCFC most widely used in refrigeration and air-conditioning systems in the last years, is phasing-out. R422D, a zero ozone-depleting mixture of R125, R134a and R600a (65.1%/31.5%/3.4% by weight, respectively), has been recently proposed as a ...
A. Rosato, G. P. Vanoli, MASTRULLO, RITA MARIA ANTONIA, MAURO, ALFONSO WILLIAM   +3 more
core   +1 more source

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

Advanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky, Tuo Zhao, Glaucio H. Paulino, Emily C. Davidson   +3 more
wiley   +1 more source

Operation analysis of C3-MR process cold box by grey system theory

SN Applied Sciences, 2021
In this paper, the problems of high refrigerant line differential pressure and uneven distribution of cold energy in cold box regulation under C3-MR process are studied. Five reasons are predicted by engineering performance.
Yuan Yang, Chuantao Xiao, Zhipeng Jia
doaj   +1 more source

Modeling and Testing of an R-23/R-134a Mixed Refrigerant System for Low Temperature Refrigeration [PDF]

, 2013
Low temperature refrigeration storage equipment in the biotechnology industry typically uses cascade refrigeration to achieve evaporating temperatures of -80 °C (-112 °F) or below.
Bowman, Anthony, Hugh, Nicholas, Mathison, Margaret   +2 more
core   +1 more source

Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review

Advanced Functional Materials, EarlyView.
Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan, Mohammad Mehrali, Jaka Tušek, Shiva Mohajerani, Xiebin Wang, Dermot Brabazon, Mohammad Elahinia, Mehrshad Mehrpouya   +7 more
wiley   +1 more source