Results 11 to 20 of about 61,540 (296)

Simulation modeling and application of non-isothermal resin transfer molding

open access: yesJournal of Aeronautical Materials, 2023
Resin transfer molding(RTM)process is a major molding process in the manufacture of resin-based composites, and the simulation of this process can play a key role in the process of optimization for the design of RTM parts.
ZHAO Liang, GAO Shenghui, DUAN Yuexin
doaj   +1 more source

Distribution of work in isothermal nonequilibrium processes [PDF]

open access: yesPhysical Review E, 2004
Diffusive motion in an externally driven potential is considered. It is shown that the distribution of work required to drive the system from an initial equilibrium state to another is Gaussian for slow but finite driving. Our result is obtained by projection method techniques exploiting a small parameter defined as the switching rate between the two ...
Speck, Thomas, Seifert, Udo
openaire   +3 more sources

Theoretical study on the application of isothermal compression technology in vapor‐compression refrigeration systems with an isothermal piston

open access: yesEnergy Science & Engineering, 2021
Vapor‐compression refrigeration systems are widely used in refrigeration equipment. Theoretically, the process is typically divided into two isobaric processes: an adiabatic isentropic compression process and adiabatic isentropic throttling process.
Yu Hu   +5 more
doaj   +1 more source

Improvement of isothermal characteristic of isothermal chamber by filling with graded copper foam

open access: yesJournal of Thermal Science and Technology, 2023
Due to the isotropy and high thermal conductivity of metal foam, a novel idea of isothermal chamber filled with graded copper foam (GCF) is developed to improve the isothermal characteristic of isothermal chamber. Firstly, an analytical effective thermal
Hangming SHEN, Lihong YANG
doaj   +1 more source

Type-B Energy Process: Asymmetric Function-Gated Isothermal Electricity Production

open access: yesEnergies, 2022
Recently, we identified two types (A and B) of energy processes that naturally occur on Earth. Type-A energetic process such as the classical heat engines follows well the thermodynamic second law; Type-B energy process follows the first law of ...
James Weifu Lee
doaj   +1 more source

Experimental research of turbulent flow frequency spectra [PDF]

open access: yesINCAS Bulletin, 2020
Hydraulic and heat transfer processes play a very important role in the design and prototyping of aerospace technology. In most cases this technique works under non-isothermal conditions.
Viacheslav KRAEV
doaj   +1 more source

Modeling and simulation of the discharge process of isothermal chamber to determine the isothermal characteristic

open access: yesJournal of Thermal Science and Technology, 2022
Isothermal chamber is filled with a certain density of high thermal conductivity porous material, which has a wide range of applications in the flow measurement of pneumatic field, and its isothermal characteristic is critical to its application results.
Hangming SHEN   +2 more
doaj   +1 more source

In-situ observation of phase transformation during heat treatment process of high-carbon bainitic bearing steel

open access: yesJournal of Materials Research and Technology, 2022
Phase transformation during austenitizing process and heat treatment process under slow cooling of high-carbon bainitic bearing steel is still unclear. Direct nano-scale microscopic observation and in-situ X-ray diffraction investigations have been used ...
Dongyun Sun   +6 more
doaj   +1 more source

Production of valuable pyrolytic oils from mixed Municipal Solid Waste (MSW) in Indonesia using non-isothermal and isothermal experimental

open access: yesCase Studies in Thermal Engineering, 2017
Municipal solid waste (MSW), disposed of at open dumping sites, poses health risks, contaminates surface water, and releases greenhouse gasses such as methane.
Indra Mamad Gandidi   +2 more
doaj   +1 more source

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