نتایج جستجو برای: thickwalled cylinder

تعداد نتایج: 21167  

Journal: :journal of applied and computational mechanics 0
ali cheraghbak faculty of mechanical engineering, university of kashan, kashan, iran abbas loghman faculty of mechanical engineering, university of kashan, kashan, iran

magnetic field effects on the elastic response of polymeric piezoelectric cylinder reinforced with carbon nanotubes (cnts) is studied. the cylinder is subjected to internal pressure, a constant electric potential difference at the inner and outer surfaces, thermal and magnetic fields. the mori-tanaka model is used for obtaining the equivalent material properties of the cylinder. based on the ch...

2014
Kirk T. McDonald Joseph Henry

This problem was suggested by Bradley Klee. For the related case of one cylinder rolling inside another, see [1]. When one cylinder is directly above the other, we define the line of contact of the lower cylinder, 1, with the horizontal plane to be the z-axis, at x = y = 0. Then, the condition of rolling without slipping for the lower cylinder is that when it has rolled (positive) distance x1, ...

ژورنال: :مکانیک سازه ها و شاره ها 2013
محمد هادی صداقت محمود یعقوبی محمد جواد مغربی

a steady two-dimensional laminar free convection heat transfer from a cold horizontal isothermal cylinder located above an adiabatic floor is studied both experimentally and numerically. in the experimental measurements the effects of cylinder distance from horizontal floor to its diameter (l/d) on heat transfer coefficient is studied for rayleigh numbers of 3×105 and 6×105. computations are ma...

In this paper, effects of EHD actuators on hydrodynamic behavior and heat transfer of air flow over a circular cylinder were considered. Pressure and temperature distributions around the cylinder were measured in presence of wire-plate EHD actuators. The Reynolds number based on cylinder diameter (d) were 3500, 7000. Experiments were performed for various configurations. Based on obtained resul...

Journal: :Circulation research 1969
W P Hood W J Thomson C E Rackley E L Rolett

Using angiocardiographic data from 50 human subjects, a comparison was made of calculations of circumferential wall stress in the left ventricle based on the thin-walled ellipsoidal model of Sandier and Dodge and the thickwalled ellipsoidal model of Wong and Rautaharju. The Sandier and Dodge formula consistently overestimated mean stress as determined from the Wong and Rautaharju model. The deg...

2017
Yeon Kyung Lee Woo Hyun Paik

A 55yearold man was hospitalized for evaluation of cystic lesion at the pancreas tail (Figure 1). The presumed diagnosis of the pancreatic cyst was pseudocyst because it was a unilocular cyst with debris inside, and the patient was a chronic alcoholic with a recent history of acute pancreatitis. Since the patient had no symptom related with the cyst, he was followed up with alternative CT scan ...

In the present study, the magnetic field effects of the elastic response of the polymeric piezoelectric cylinder reinforced with the carbon nanotubes (CNTs) are studied. The cylinder is subjected to an internal pressure, a constant electric potential difference at the inner and outer surfaces, and the thermal and magnetic fields. The Mori-Tanaka model is used for obtaining the equivalent materi...

Journal: :IJITWE 2014
Alaa Eddien Abdallah Mohammad Bsoul Emad Eddien Abdallah Ibrahim Al-Oqily George Kao

In geographical routing algorithms, mobile nodes rely on geographical position to make routing judgments. Researchers frequently discuss such routing algorithms in (2D) space. However, in reality, mobile nodes spread in (3D) space. In this paper the authors present four new 3D geographical-based routing algorithms Cylinder, Greedy-Cylinder, Cluster-Cylinder, and Greedy-cluster-Cylinder. In Cyli...

Journal: :iranian journal of mechanical engineering transactions of the isme 2013
h. ghaffari some’e f. barati h. mahbadi

in this paper, the problem of calculating the stress intensity factor (sif) for an orthotropic thick-walled cylinder with a small radial crack subject to internal pressure is considered. the crack is assumed to be an edge crack on the external radius of the cylinder. the stress intensity factor is calculated by superposition of an uncracked cylinder with uniform stress distribution and a cylind...

Journal: :نشریه دانشکده فنی 0
مهدی اشجعی حسین شکوهمند مهدی امیری تورج یوسفی

laminar free convection heat transfer from vertical and inclined arrays of horizontal isothermal cylinders in air was investigated experimentally and numerically. experiments were carried out using mach-zehnder interferometer and the fluent code was used for numerical study. investigation was performed for vertical and horizontal cylinder spacing from 2 to 5 and 0 to 2 cylinder diameters respec...

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