نتایج جستجو برای: material values

تعداد نتایج: 845291  

Amir H. Adibi-Sedeh, Sahar Salimi Samira Salimi

Dimensional control of the work-piece in steel industry is of important interest. The main aspects in overcoming the thickness control are variations in material strength due to variations in chemical composition, work-piece temperature, reduction and the strain rate applied to the work-piece. In this paper based on the main parameters affecting the rolling force an attempt been made to give a ...

The present study deals with the analysis of the effects of radiative heat transfer of micropolar fluid flow over a porous and stretching sheet in the presence of magnetic field. The dynamic viscosity and thermal conductivity coefficient have formulated by temperature-dependent relations to obtain more exact results. The flow is supposed two-dimensional, incompressible, steady and laminar and t...

Determination of changes in physicochemical properties of different vegetable oils (sunflower, corn, hazelnut, palm, and olive oils)  was aimed after the frying process with different frying material used (potato and pepper). The increase in free fatty acid content, peroxide value, viscosity and polar compound formation of oils was observed, while the reduction of the polyunsaturated fatty ...

Journal: :iranian journal of radiation research 0
s. senthilkumar department of radiotherapy, madurai medical college and govt. rajaji hospital, maduari-625 020, india

background: the purpose of this study is to fabricate inexpensive in-house low cost homogeneous and heterogeneous human equivalent thorax phantom and assess the dose accuracy of the treatment planning systems (tps) calculated values for different lung treatment dosimetery. it is compared with thermoluminescent dosimeter (tld) measurement. materials and methods: homogeneous and heterogeneous tho...

Bagherieh, A. R. , Esfahani, M. R., Moradi, M.,

The constitutive relationships presented for concrete modeling are often associated with unknown material constants. These constants are in fact the connectors of mathematical models to experimental results. Experimental determination of these constants is always associated with some difficulties. Their values are usually determined through trial and error procedure, with regard to experimental...

2009

where the biting rate, mortality hazard (hence daily survival probability) and duration of the sporogonic cycle depend on temperature T (see Supplemental Material, Table 1) (Martens 1998) and all other parameters are defined in Supplemental Material, Table 2 (with baseline numerical values in Supplemental Material, Table 3). Vector parameters are estimated for Anopheles maculipennis (Martens 19...

Journal: :Journal of biomechanics 2007
Arun U Nair David G Taggart Frederick J Vetter

Determining the unknown material parameters of intact ventricular myocardium can be challenging due to highly nonlinear material behavior. Previous studies combining a gradient-search optimization procedure with finite element analysis (FEA) were limited to two-dimensional (2D) models or simplified three-dimensional (3D) geometries. Here we present a novel scheme to estimate unknown material pa...

Journal: :Journal of biomechanical engineering 2009
Peter Rissland Yared Alemu Shmuel Einav John Ricotta Danny Bluestein

Abdominal aortic aneurysm (AAA) rupture represents a major cardiovascular risk, combining complex vascular mechanisms weakening the abdominal artery wall coupled with hemodynamic forces exerted on the arterial wall. At present, a reliable method to predict AAA rupture is not available. Recent studies have introduced fluid structure interaction (FSI) simulations using isotropic wall properties t...

Due to increase in the number of goods carrying tricycles, the amount of noise and pollution on our roads has increased. To optimize the control of the engine noise emission for tricycle, different absorptive material liners have been introduced into muffler design. In this study, the performance of Aerogel, Ceramic, Kenaf fibre, Polyester and Rockwool as absorptive material liners on the trans...

Journal: :New Zealand Veterinary Journal 2017

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