نتایج جستجو برای: cold horizontal cylinder

تعداد نتایج: 186461  

Journal: :The Journal of the Acoustical Society of America 1978

Journal: :Fluids 2023

In this study, divided into two parts, the effect on a two-dimensional backward-facing step flow (BFSF) of cylinder placed downstream was numerically investigated. While in Part 1, numerical simulations carried out without were validated using available literature data, 2 laminar regime, different Reynolds numbers considered. turbulent effects structure at horizontal and vertical locations comp...

2009
B. R. Duffy S. K. Wilson

Using the lubrication approximation we investigate two-dimensional steady flow of a thin film of fluid with temperature-dependent viscosity on a uniformly heated or cooled horizontal cylinder, which may be stationary or rotating about its axis, in the case when the Biot number (a measure of heat transfer at the free surface) is large. We show that the film thickness (but not the fluid velocity)...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2009
Tohru Shiga Yuichi Morimoto Naoki Kubo Norio Katoh Chietsugu Katoh Wataru Takeuchi Reiko Usui Kenji Hirata Shinichi Kojima Kikuo Umegaki Hiroki Shirato Nagara Tamaki

UNLABELLED An autoradiography method revealed intratumoral inhomogeneity in various solid tumors. It is becoming increasingly important to estimate intratumoral inhomogeneity. However, with low spatial resolution and high scatter noise, it is difficult to detect intratumoral inhomogeneity in clinical settings. We developed a new PET system with CdTe semiconductor detectors to provide images wit...

Journal: :Proceedings. Biological sciences 2014
Victor M Ortega-Jimenez Nir Sapir Marta Wolf Evan A Variano Robert Dudley

Animal fliers frequently move through a variety of perturbed flows during their daily aerial routines. However, the extent to which these perturbations influence flight control and energetic expenditure is essentially unknown. Here, we evaluate the kinematic and metabolic consequences of flight within variably sized vortex shedding flows using five Anna's hummingbirds feeding from an artificial...

Journal: :Journal of the Society of Naval Architects of Japan 1991

Journal: :Transactions of the Japan Society of Mechanical Engineers 1972

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1984

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