نتایج جستجو برای: average rotational speed

تعداد نتایج: 596079  

Mohammad Reza Razfar, Yahya Choopani

In this article, the effect of parameters like working gap, work piece rotational speed and material removal mechanism(injection of the SiC Abrasive slurry and Al2O3, use of diamond paste as abrasive tool) in Magnetic Abrasive Finishing process using designing of experiments on the external surface of Cylindrical work pieces of Stainless steel AISI 440C to get minimum surf...

In this research, the effects of the rotational speed, feed rate, tool material and lubricants on the tool life and the hole quality are studied in the frictional drilling of the titanium sheets. The friction drilling tests are performed on a CNC milling machine. Furthermore, 5 specimens are selected and their metallurgical structures are studied. The results show thatamong the input parameters...

K.H Faraji Mahyari M Faraji Mahyari, S Fardpour

The main goal of this research is to analyse the effect of angular velocity on stability and vibration of a simply supported Rayleigh rotating shaft. To this end, non-dimensional kinetic and potential energies are written while lateral vibration is considered. Finite element method is employed to discrete the formulations and Linear method is applied to analyse instability threshold of a rotati...

Mohammad Reza Razfar, Yahya Choopani

In this article, the effect of parameters like working gap, work piece rotational speed and material removal mechanism(injection of the SiC Abrasive slurry and Al2O3, use of diamond paste as abrasive tool) in Magnetic Abrasive Finishing process using designing of experiments on the external surface of Cylindrical work pieces of Stainless steel AISI 440C to get minimum surf...

Journal: :The Baltic Journal of Road and Bridge Engineering 2017

Journal: :Gazi Journal of Engineering Sciences 2020

Journal: :Medical engineering & physics 2013
Jean Bonnemain A Cristiano I Malossi Matteo Lesinigo Simone Deparis Alfio Quarteroni Ludwig K von Segesser

In this work we present numerical simulations of continuous flow left ventricle assist device implantation with the aim of comparing difference in flow rates and pressure patterns depending on the location of the anastomosis and the rotational speed of the device. Despite the fact that the descending aorta anastomosis approach is less invasive, since it does not require a sternotomy and a cardi...

Journal: :iranian journal of radiology 0
cyrus taghizadeh delkhoush department of physical therapy, faculty of rehabilitation sciences, iran university of medical sciences, tehran, iran nader maroufi department of physical therapy, faculty of rehabilitation sciences, iran university of medical sciences, tehran, iran; department of physical therapy, faculty of rehabilitation sciences, iran university of medical sciences, tehran, iran. tel: +98-9128168310, fax: +98-2122220946 ismail ebrahimi takamjani department of physical therapy, faculty of rehabilitation sciences, iran university of medical sciences, tehran, iran farzam farahmand school of mechanical engineering, sharif university of technology, tehran, iran ali shakourirad advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran hamid haghani faculty of health management and information science, iran university of medical sciences, tehran, iran

background patients who have shoulder pain usually have compensatory or contributory deviation of shoulder motion during arm elevation. in the traditional scapulohumeral rhythm, the share of the acromioclavicular (ac) and the sternoclavicular (sc) joint movements and also the role of ac internal rotation angle are unknown. objectives the main purpose of this study was to measure and compare the...

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