Results 11 to 20 of about 64,188 (126)

Numerical Simulation and Analysis of Gas-liquid Coupled Double-acting Thermoacoustic Refrigeration System

open access: yesZhileng xuebao, 2021
A novel type of gas–liquid coupled double-acting traveling-wave thermoacoustic refrigeration system is proposed to solve the low efficiency of traditional thermoacoustic refrigeration with a gas resonance tube.
Chi Jiaxin   +4 more
doaj   +2 more sources

Numerical computation for parallel plate thermoacoustic heat exchangers in standing wave oscillatory flow [PDF]

open access: yes, 2011
A simplified computational method for studying the heat transfer characteristics of parallel plate thermoacoustic heat exchangers is presented. The model integrates the thermoacoustic equations of the standard linear theory into an energy balance-based ...
Piccolo, Antonio, A. Piccolo
core   +1 more source

Integration of trigeneration and CO2 based refrigeration systems for energy conservation [PDF]

open access: yes, 2012
This thesis was submitted for the degree of Doctor of Philosophy and was awarded by Brunel University.Food retail with large supermarkets consumes significant amounts of energy.
Suamir, I Nyoman
core   +7 more sources

Application of laser-based instrumentation for measurement of time-resolved temperature and velocity fields in the thermoacoustic system [PDF]

open access: yes, 2010
This work aims to develop reliable laser-based measurement techniques to enable fundamental heat transfer and fluid flow studies in thermoacoustic systems.
Yu, Z.   +8 more
core   +1 more source

Heat transfer processes in parallel-plate heat exchangers of thermoacoustic devices - Numerical and experimental approaches [PDF]

open access: yes, 2012
This paper addresses the issues of heat transfer in oscillatory flow conditions, which are typically found in thermoacoustic devices. The analysis presented concerns processes taking place in the individual "channels" of the parallel-plate heat ...
Piccolo, A   +3 more
core   +1 more source

Numerical Modeling and Performance Evaluation of Standing Wave Thermoacoustic Refrigerators with a Multi-Layered Stack

open access: yesEnergies, 2020
Thermoacoustic refrigerators have huge potential to replace conventional refrigeration systems as an alternative clean refrigeration technology. These devices utilize conversion of acoustic power and heat energy to generate the desired cooling. The stack
Umar Nawaz Bhatti   +3 more
doaj   +1 more source

Application of planar laser-induced fluorescence measurement techniques to study the heat transfer characteristics of parallel-plate heat exchangers in thermoacoustic devices [PDF]

open access: yes, 2010
This paper describes the development of an experimental arrangement and the application of acetone-based planar laser-induced fluorescence (PLIF) measurement techniques to study the unsteady characteristics of heat transfer processes in the parallel ...
Artur J Jaworski   +8 more
core   +1 more source

Thermoacoustic Instabilities in the Rijke Tube: Experiments and Modeling [PDF]

open access: yes, 2003
Thermoacoustic instability can appear in thermal devices when unsteady heat release is coupled with pressure perturbations. This effect results in excitation of eigen acoustic modes of the system.
Konstantin Matveev   +1 more
core   +1 more source

Vapour compression and caloric refrigeration in combination for a new hybrid refrigeration system [PDF]

open access: yes, 2023
Ponencia presentada en ICR2023 - 26th International Congress of Refrigeration, August 21st to 26th 2023 at the Paris Congress Center (France)Although caloric refrigeration systems, such as magnetic and elastocaloric ones have shown promising potential ...
Tušek, Jaka   +12 more
core   +1 more source

Thermoacoustic Refrigerator for High Temperature Gradient

open access: yesMATEC Web of Conferences, 2018
Leakage of HFCs, thermal shocks to sensitive devices, moving mechanical components which in turn require more maintenance, are some of the cons of a conventional vapor compression system .The newest field in refrigeration overcoming such flaws is ...
Mishra Abhishek   +3 more
doaj   +2 more sources

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