Results 61 to 70 of about 13,565 (218)
Advanced Sensor Research, Volume 4, Issue 9, September 2025.Due to the synergistic effect of improved catalytic decomposition mechanism and Schottky‐barrier effect, the Pd‐γ‐Al2O3/SnO2 sensor exhibits outstanding response, good stability, selectivity, repeatability, and universality in sensing different Freon gases, which demonstrates its potential for use in Freon refrigeration leakage detection.
Jiahong Wen +7 more
wiley +1 more source
Condensation in microchannels – Surface tension dominated regime [PDF]
, 2009 This paper was presented at the 2nd Micro and Nano Flows Conference (MNF2009), which was held at Brunel University, West London, UK. The conference was organised by Brunel University and supported by the Institution of Mechanical Engineers, IPEM, the ...
2nd Micro and Nano Flows Conference (MNF2009) +2 more
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Mengurus masyarakat Singapura gaya Lee Kuan Yew: satu legasi [PDF]
, 2020 Lee Kuan Yew (LKY) negarawan unggul Asia Tenggara yang berjaya menggerakkan tindakan-tindakan pragmatik dengan nilai dan gaya kepimpinan berkesan demi mencapai visi pembangunan Singapura. Memiliki pengalaman politik hampir 60 tahun (1955-2011) menjadikan
Jaes, Lutfan +3 more
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Exploring Low‐Global Warming Potential Refrigerants for Medium‐Charge Systems
Energy Technology, Volume 13, Issue 9, September 2025.This study evaluates 15 low‐global warming potential (GWP) refrigerants as alternatives for medium‐charge systems, focusing on environmental impacts, operational performance, and system design integration. Key findings reveal R‐447A's suitability for standard climates and R‐454B's advantages in high ambient conditions, providing actionable guidance for
Fadi Alsouda +3 more
wiley +1 more source
R134a flow boiling heat transfer in small diameter tubes [PDF]
, 2007 Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
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IET Smart Energy Systems, Volume 1, Issue 2, Page 168-200, September 2025.This review focuses on the recent advances in the key research and technology development of transcritical CO2 heat pumps and integrated energy systems including sustainable ‘green’ heating, energy storage, electro‐thermal storage, waste heat recovery and disruptive electrification of renewable energy, combined heating and power, and new hybrid systems.
Lixin Cheng, Hongzhi Li, Haijun Wang
wiley +1 more source
An Investigation of Void Fraction in the Stratified/Annular Flow Regions in Smooth, Horizontal Tubes [PDF]
, 1999 Refrigerants R134a and R410A have been used for void fraction measurements in smooth horizontal tubes with diameters between 4mm and 7mm. Quality and mass flux were varied from 5% to 90% and 75 kglm2-s to 700 kglm2-s, respectively.
Chato, J.C. +5 more
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Global Challenges, Volume 9, Issue 7, July 2025.Overview of Battery Thermal Management System (BTMS) methods, including air, liquid, cold plate, and hybrid cooling strategies—highlighting direct/indirect liquid techniques and hybrid integrations like PCM, refrigerant, and heat pipe systems. Abstract Efficient thermal management of high‐power lithium‐ion batteries (LiBs) is critical for ensuring ...
Md Atiqur Rahman +6 more
wiley +1 more source
Energy and Built EnvironmentR134a-DMF absorption heat pump unit is an energy-saving heat pump unit that can utilize renewable energy, and has great potential in the refrigeration and heating fields of urban and rural areas.
Zhaoyi Zhuang +4 more
doaj +1 more source
The effect of tube diameter on vertical two-phase flow regimes in small tubes [PDF]
, 2006 Flow boiling flow patterns in four circular tubes with internal diameters of 1.10, 2.01, 2.88 and 4.26 mm were investigated in the present project. The experiments were conducted in vertical upward two-phase flow using R134a as the working fluid.
Chen, L, Karayiannis, TG, Tian, YS
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