Results 61 to 70 of about 8,063 (215)

Design and Experiment of Vacuum Membrane Distillation-superheated Steam Drying System

open access: yesZhileng xuebao, 2021
In order to explore the new utilization of vacuum membrane distillation with fiber membrane modules in the drying field, a vacuum membrane distillation-superheated steam drying system was designed, and the changing rule of the system of membrane flux and
Lin Jiahui   +6 more
doaj  

Characteristics of Enhanced Heat Transfer of Nanofluid in Microchannels Under Electric and Magnetic Co‐Excitation

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 20, Issue 6, November/December 2025.
ABSTRACT Due to its small size, microchannel heat exchangers are widely used in fine engineering fields such as electronic equipment. In this paper, the boiling heat transfer characteristics of refrigerants and nanofluids in microchannels are studied by applying electric fields, magnetic fields, and electromagnetic synergistic fields.
Yanyu Wu   +4 more
wiley   +1 more source

Adaptive control for degree of refrigerant superheat in a direct expansion air conditioning system under variable speed operation

open access: yesEnergy Procedia, 2019
Abstract Direct expansion air conditioning systems are widely installed in small-to medium- scale buildings due to their advantages of simple configuration, high energy efficiency and low cost to own and maintain. The two main targets of air conditioning operation include improving the system operational efficiency and energy efficiency.
Huaxia Yan, Yudong Xia, Shiming Deng
openaire   +1 more source

Exploratory Research on MEMS Technology for Air-Conditioning and Heat-Pumps [PDF]

open access: yes, 1998
This report details the efforts to exploit micro-electrical-mechanical-systems (MEMS) and micro device technologies to improve control of multi-channel evaporators by reducing maldistribution among channels, and increase capacity and efficiency of ...
Hrnjak, P.S.   +2 more
core  

Durable Nonfluorinated Stochastically Hierarchical Superhydrophobic Interface for Intense Long‐Term Phase Change Cooling

open access: yesSmall Structures, Volume 6, Issue 11, November 2025.
A novel six‐step strategy is developed for fabrication of durable stochastically hierarchical superhydrophobic boiling interfaces. The engineered interfacial properties effectively mitigate the loss of superhydrophobicity that occurs on copper during long‐term boiling, overcoming a key barrier to practical deployment in advanced phase change cooling ...
Jure Berce   +4 more
wiley   +1 more source

The readiness among the polytechnic engineering and non-engineering lecturers towards implementation of 4C in teaching [PDF]

open access: yes, 2020
The paper discusses the readiness level of the 4C polytechnics lecturer (creative, critical, communication & collaboration) from the cognitive, psychomotor and affective domains. By using questionnaires as an instrument, this research employed the survey
Awang, Noor Hidayah, Ming, Foong Lee
core  

Conversion of Waste to Sustainable Transport Fuel via Fischer–Tropsch Synthesis: Process Modeling and Life Cycle Analysis

open access: yesEnergy Science &Engineering, Volume 13, Issue 10, Page 4868-4885, October 2025.
ABSTRACT A lifecycle analysis was performed on a process for distributed forest residue collection and conversion into biocrude, followed by biocrude transport to a central facility and indirect liquefaction using Fischer–Tropsch synthesis with refining to sustainable aviation fuel (SAF).
Hanan E. M. El‐Sayed   +7 more
wiley   +1 more source

Sustained and Enhanced Nucleate Boiling Using Hierarchical Architectures at Large Superheats

open access: yesExploration, Volume 5, Issue 5, October 2025.
Sustained nucleate boiling and Leidenfrost delay are critical for thermal and energy industries. Leveraging vapor buffer and reducing water‐hammer pressure, this study realizes the enhancement of nucleate boiling and postponement of Leidenfrost by rationally designing and developing hierarchical nano–micro structured surfaces. Besides, AI technology is
Ji‐Xiang Wang   +7 more
wiley   +1 more source

On the effect of the dynamic contact angle of a vapor embryo interface trapped in a nucleation site [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +5 more
core  

Pool boiling on modified surfaces using R-123 [PDF]

open access: yes, 2014
This article has been made available through the Brunel Open Access Publishing Fund.Saturated pool boiling of R-123 was investigated for five horizontal copper surfaces modified by different treatments, namely, an emery-polished surface, a fine ...
Ahmad S. W.   +11 more
core   +1 more source

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