نتایج جستجو برای: Internal Pressure

تعداد نتایج: 628352  

Journal: :physical chemistry and electrochemistry 0

the major reason for the prediction of thermodynamic properties of mercury lies in the fact that itsintermolecular interactions highly depend on temperature and density. internal pressure is a good criterion toinvestigate the density dependence of the interatomic interactions. because its physical base is a forcetending to close together the molecules that is intermolecular interactions, and as...

Journal: :international journal of advanced design and manufacturing technology 0
a. davar islamic azad university s. mohammad reza khalili k.n. toosi university of technology h. hadavinia kingston university, london, uk

free vibration of simply supported circular cylindrical shell made of functionally graded material (fgm) under internal pressure was investigated. the effective material properties are assumed to vary continuously along the thickness direction according to a volume fraction power law distribution. first order shear deformation theory based on love's first approximation theory was utilized in th...

Journal: :iranian journal of mechanical engineering transactions of the isme 0
abbas heydari m.sc. in structural engineering, school of civil engineering, sharif university of technology, tehran

thermo-elasto-plastic analyses of thick-walled spherical tanks made of functionally graded materials are investigated analytically. these tanks are subjected to positive or negative temperature gradient and internal pressure loadings separately or simultaneously. the power law modeling has been used for through-the-thickness variation of mechanical properties. von mises yield criterion and elas...

Thermo-Elasto-Plastic analyses of thick-walled spherical tanks made of functionally graded materials are investigated analytically. These tanks are subjected to positive or negative temperature gradient and internal pressure loadings separately or simultaneously. The power law modeling has been used for through-the-thickness variation of mechanical properties. von Mises yield criterion and Elas...

Journal: :iranian red crescent medical journal 0
ahmad abbasian department of emergency medicine, pre-hospital emergency research center, imam khomeini hospital , tehran university of medical sciences, tehran, ir iran hamideh feiz disfani department of emergency medicine, hasheminejad hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran mohammad afzalimoghaddam department of emergency medicine, imam khomeini hospital, tehran university of medical sciences, tehran, ir iran mohammad taghi talebian department of emergency medicine, pre-hospital emergency research center, imam khomeini hospital , tehran university of medical sciences, tehran, ir iran babak masoumi department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran mohammad nasr-esfahani department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran; department of emergency medicine, isfahan university of medical sciences, isfahan, ir iran. tel: +98-9132684800

conclusions noninvasive assessment of the patient hydration condition using the ultrasound is a simple and practicable measure in emergency. with regard to the considerations, it is possible to estimate cvp via diameter measurement and cross-section of the central veins. results twenty patients with the mean age of 60.3 were studied. the main reason for cardiac catheterization was shock. there ...

Journal: :فصلنامه علمی پژوهشی مهندسی مکانیک جامدات واحد خمینی شهر 0
mehdi chogan department of mechanical engineering, khomeinishahr branch, islamic azad university, khomeinishahr, iran mohsen loh-mosavi - department of mechanical engineering, khomeinishahr branch, islamic azad university, khomeinishahr, iran

.hot metal gas forming of tubes can be used in various industries such as automotive and aerospace industries. in this process tube is formed at elevated temperatures, by using gas instead of fluid pressure. lower required pressure and low power are its advantages in comparison to hydroforming process. in this paper, a hot metal gas bulging process of an aluminum alloy tube has been investigate...

Journal: :Journal of the American Chemical Society 1917

Journal: :international journal of advanced design and manufacturing technology 0
abbas heydari mohamadtaghi kazemi

in this article, the elasto-plastic analysis of thick walled fg tanks subjected to internal pressure is elaborated. today, thick walled tanks containing liquids with high pressure are used in the chemical industries. the high internal pressure causes part of the thickness of reservoir to yield; therefore, we need the elasto-plastic analysis. in this study, elasto-plastic behavior of fg cylindri...

Journal: :International Journal of Computational Methods and Experimental Measurements 2013

Journal: :Journal of the Vacuum Society of Japan 2008

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