نتایج جستجو برای: rotating

تعداد نتایج: 34882  

This paper contains a strain gradient theory to capture size effects in rotating nanodisks of variable thickness under thermal and mechanical loading. Material properties of nanodisks have been taken homogeneous material. The strain gradient theory and the Hamilton’s principle are employed to derive the governing equations. Due to complexity of the governing differential equation and boundary c...

H. Basirat Tabrizi M. Forooghi Nia M. Parvar M. R. Assari,

In this research, a rotating solar still that uses external bottom reflectors was experimentally investigated. The solar still and reflectors have the capability to shift their angle with respect to the south and the reflectors have the capability to shift their angle with respect to the horizon. The experiment has been performed in both fixed and rotating states. For the fixed state the solar ...

Journal: :international journal of energy and water resources 0
sengottaiyan k ic engines division, dept. of mech engg., ceg campus anna university, sardar patel road swaminathan m.r ic. engine division,dept.of mechanical engineering,anna university, chennai

oxides of nitrogen are the major emission from a diesel engine. it is due to heterogeneous diffusion combustion system with fuel-rich regions, which produce high local temperature around the periphery of the spray where high formation rate of no is promoted. various techniques are therefore employed to reduce the nox emission like egr, scr, etc. in this present work a rotating injector is a tec...

Oxides of Nitrogen are the major emission from a diesel engine. It is due to heterogeneous diffusion combustion system with fuel-rich regions, which produce high local temperature around the periphery of the spray where high formation rate of NO is promoted. Various techniques are therefore employed to reduce the NOX emission like EGR, SCR, etc. In this present work a rotating injector is a tec...

ژورنال: :تحقیق در علوم دندانپزشکی 0
نسرین روغنی زاد n roghanizad عباس دلورانی a delvarani محمدعلی صغیری ma saghiri شبنم ملکی sh maleki محسن افکار m afkar محبوبه غلامشاهی m gholamshahi

خلاصه:   سابقه و هدف: تهیه فضای پست نیاز به برداشت قسمتی از گوتاپرکا از کانال ریشه دارد،عوامل مختلفی ممکن است اثر منفی بر روی سیل مواد باقیمانده در کانال داشته باشد. لذا هدف از این مطالعه مقایسه تاثیر روشهای مختلف خالی کردن گوتاپرکا جهت فضای پست بر میزان ریزنشت اپیکالی کانال بود .   مواد و روشها: این تحقیق به روش تجربی و آزمایشگاهی بر روی 70دندان پرمولر پایین کشیده شده، انجام شد . نمونه ها به ط...

2004
M. Nitti P. L. Mazzeo A. Distante

In this paper we describe a new method to measure the position of an overhead line in a railway application. The height and stagger of an overhead line can nowadays be measured through a stereo-vision system composed of two line scanner cameras; the existing applications, unfortunately, cause some malfunctioning. In this work we want to test a new method that increases the resolution of wire im...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
s. f. ahmed

energy equation for turbulent flow in a rotating system was derived in terms of second order correlation tensors, where the correlation tensors were functions of space coordinates, distance between two points and time. to reveal the relationship of turbulent energy between two points, one point was taken as origin of the coordinate system. due to rotation, the coriolis force played an important...

2016
Vijay Kautilya D Pravir Bodkha Naveen Rajamohan

Introduction: Human identification plays a vital role in any crime investigation. Along with the various other established methods, cheiloscopy also plays a key role in linking the criminal with the crime. The ability of a technique in differentiating the sex of a person in the field can help in screening a large number of suspects. This study evaluated the efficacy of cheiloscopy in determinat...

2005
Michael Cramer

Comparing the today’s situation to the last ISPRS congress, where the very first commercial digital large format airborne sensors ADS40 (Leica Geosystems) line scanner and DMC (ZI-Imaging now Intergraph) frame based camera were launched into the market, an increase in number of new digital airborne sensors (some of them already introduced into operational use) is clearly obvious over the last 4...

1996
Tom Chou

We consider accretion disks consisting of counter-rotating gaseous components with an intervening shear layer. Configurations of this type may arise from the accretion of newly supplied counter-rotating gas onto an existing co-rotating gas disk. For simplicity we consider the case where the gas well above the disk midplane is rotating with angular rate +Ω and that well below has the same proper...

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