نتایج جستجو برای: thermoacoustic refrigerator

تعداد نتایج: 3383  

Journal: :TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 2012

Journal: :TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 1998

2017
Mario Tindaro Migliorino Carlo Scalo

We have derived the set of reference scaling parameters yielding collapse of isentropic acoustic and thermoacoustic (or heat-release-induced) waves across different pure compressible fluids with an assigned equation of state. The resulting reference pressure and velocity are consistent with classic acoustic scaling. The reference temperature and heat release rate need to be expressed in terms o...

2011
I. Udeh

The objective of this study was to test the effect of four different diluents on the motility of goat semen stored at room and refrigerator temperatures. To achieve this objective, four West African dwarf bucks aged 10-12 months were ejaculated weekly for five weeks using the electro-ejaculator method. The ejaculated semen were extended using four diluents namely sodium citrate (T1), sodium bic...

Journal: :The Journal of The Institute of Electrical Engineers of Japan 2008

Journal: :The Journal of the Acoustical Society of America 2015

Journal: :jundishapur journal of microbiology 0
siavash maktabi department of food hygiene, faculty of veterinary medicine, shahid chamran university of ahvaz, ir iran; department of food hygiene, faculty of veterinary medicine, shahid chamran university of ahvaz, ir iran. tel: +98-9163024145, fax: +98-6113360807 amirhesam jamnejad faculty of veterinary medicine, shahid chamran university of ahvaz, ir iran kokab faramarzian faculty of veterinary medicine, shahid chamran university of ahvaz, ir iran

background listeria monocytogenes has been isolated from various foods and environments in temperate areas, tropical countries and different parts of iran. the bacterium as a psychrotrophic organism is capable of growth at refrigeration temperatures. objective the current study was conducted to determine the incidence of listeria spp. on the surfaces of domestic refrigerators in ahvaz city as a...

2016
Masoud S. Loeian Robert W. Cohn Balaji Panchapakesan Delbert Tesar

In this paper, we have developed a new thermoacoustic model for predicting the resonance frequency and quality factors of one-dimensional (1D) nanoresonators. Considering a nanoresonator as a fix-free Bernoulli-Euler cantilever, an analytical model has been developed to show the influence of material and geometrical properties of 1D nanoresonators on their mechanical response without any dampin...

2012
Guoping Chen Xin Wang Jinguo Wang Zhiqin Zhao Zaiping Nie Qinghuo Liu

Most of the current imaging methods in microwave induced thermoacoustic tomography (MITAT) system assume that the heterogeneous sound velocity (SV) and density distribution are given or subject to Gaussian distribution. These situations generally are not satisfied. To improve multi-targets thermoacoustic sources imaging quality in a heterogeneous tissue, an iterative TR adjoint imaging method i...

2014
Quanyu Yu Jie Liu Kangkang Zhang

The paper analyzes the various factors that cause failure of refrigerator evaporator. The refrigerator evaporator failure spectrum is constructed through qualitative analysis of the fault tree system after building a corresponding fault tree system. There is an analysis procedure of fault tree system based on computer aided fault tree analysis system (CAFTA).

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