نتایج جستجو برای: rotary engine

تعداد نتایج: 81053  

Journal: :Expert Syst. Appl. 2015
Víctor Martínez-Martínez Francisco Javier Gomez-Gil Jaime Gómez Gil Ruben Ruiz-Gonzalez

This article proposes (i) the estimation method of an expert system to predict the statuses of several agro-industrial machine rotary components by using a vibration signal acquired from a single point of the machine; and, (ii) a learning method to fit the estimation method. Both methods were evaluated in an agricultural harvester. Vibration signal data were acquired from a single point of the ...

2003
Shuo Yang Hong Z. Tan Pietro Buttolo Matthew Johnston Zygmunt Pizlo

Switches are everyday objects that interface humans to many functionalities and influence our perception of the machinery that they are attached to. This study is aimed at a better understanding of the perceptual attributes of switches. Specifically, the perceptual thresholds for dynamic changes in a rotary switch were evaluated in two experiments using an adaptive procedure. Exp. I measured hu...

2001
Peretz P. Friedmann

Concise Perspective and Previous Surveys W HEN reviewing research in rotary-wing aeroelasticity (RWA), it is important to mention a few historical facts. The Wright brothers flew in 1903, and Sikorsky built and started flying the first operational helicopter, the R-4 or (VS-316), in 1942. The R-4 was a three-bladed helicopter with a rotor diameter of 11.6 m and was powered by a 185-hp engine. T...

2016
T. Menke B. Eilert M. Stonis L. Overmeyer

In this article image processing of a binary single track code for determining torque is presented. The aim of the research is to determine the absolute angular position of a shaft and the applied torque. For capturing an image of the binary code two independent imaging modules are used, both allowing for measuring the angular position and rotational speed. Combining both imaging modules, torqu...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1392

مقدمه و هدف جهت موفقیت درمان پالپکتومی دردندانهای شیری، آماده سازی کانال با طول صحیح که لازمه حذف بافت عفونی و نکروتیک است ضروری می باشد. از آنجا که در دندانپزشکی کودکان ،جهت کنترل مناسب رفتار باید تا حد امکان از طولانی شدن درمان اجتناب گردد، استفاده از ابزاری که قابلیت حداکثر پاکسازی کانال و نیز دقت کافی جهت اندازه گیری طول مناسب همراه با سرعت بالاتر را داشته باشد، ضروری است. هدف از این مطا...

2017
Vaibhav Jain

Corresponding author: Vaibhav JainReader , Department of Conservative Dentistry and Endodontics, Chhattisgarh Dental College and Research Institute, Chhattisgarh This article may be cited as:Jain V.Comparative analysis of extrusion of debris and irrigants from the apical foramen using hand and rotary systems.Int J Com Health and Med Res 2017;3(2):66-70 Article Received: 11-05-17 Accepted On: 18...

2014
Yeon Taek OH

The angular error of indexing table on machine tool is measured using new developed measuring device. The measuring techniques, which have been reviewed in this paper, are currently available in manufacturing engineering to calibrate the angle measurement. The new developed measuring device using 6 points kinematic concept and employing ball and vee grooves is used to calibrate angle errors of ...

Journal: :Agriculture 2022

The objectives of this study are the development and verification a simulation model partial PST (power-shift transmission) tractor based on actual field operations. was verified for asphalt driving condition, performance evaluated driving, plow, rotary tillage. In study, traditional, APS (Auto Power Shift) ECO, power engine modes were used to analyze fuel consumption. statistical analysis prov...

Journal: :International endodontic journal 2002
L G Coldero S McHugh D MacKenzie W P Saunders

AIM To compare in vitro intracanal bacterial reduction using nickel-titanium rotary instruments with and without apical enlargement. METHODOLOGY Thirty-eight palatal roots of maxillary molar teeth, with mature apices were subdivided according to lengths and then randomly assigned to two experimental and one control groups. The roots were sterilized and then reinfected with Enterococcus faecal...

2017
Maarten M. van Oene Laura E. Dickinson Bronwen Cross Francesco Pedaci Jan Lipfert Nynke H. Dekker

The bacterial flagellar motor of Escherichia coli is a nanoscale rotary engine essential for bacterial propulsion. Studies on the power output of single motors rely on the measurement of motor torque and rotation under external load. Here, we investigate the use of magnetic tweezers, which in principle allow the application and active control of a calibrated load torque, to study single flagell...

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