Pump part remodelled - Repair

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Understanding Rotating Regions in SOLIDWORKS Flow Simulation

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By GSC SOLIDWORKS Flow Simulation offers some great tools for analyzing rotating region problems. There are a lot of capabilities within the tool but, often times, there isn’t a lot of information about these capabilities. This article is meant to be a comprehensive guide to everything related to rotating region problems within SOLIDWORKS Flow Simulation. This will include explaining the different types of rotating region problems as well as the best practices associated with each one of them. There are two main types of rotating regions in Flow Simulation; global and local rotating regions. Both of these types are available for all fluid types; Newtonian and Non-Newtonians fluids. Global Rotating Region The global rotating region assumes you have a model that is completely symmetric about the rotating axis and all the components within the computational domain are rotating at the speed of the rotating reference frame. Due to the fact this type of rotating region has
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TECHNICAL REPORT ON THE REPAIR OF DISHING ON A DIAPHRAGM

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TECHNICAL REPORT ON THE REPAIR OF DISHING ON A DIAPHRAGM 1.0      INTRODUCTION Definitions of dishing in a diaphragm is the form of deformation that occurs across the axis of the diaphragm. The diaphragm is a hollow disk that holds the stator blades (nozzles) in its annular area. (The rotor blades are fixed on the turbine rotor.) In each stage, a diaphragm consists of an upper- and a lower-half. Each half of the diaphragm is fixed to the respective halves of the casing. This design makes the assembly/disassembly of the turbine feasible. Figure 1     Image of a Diaphragm 1.1      Causes of Dishing in Diaphragm           Operational rubs or severe creep deflection from exposure to high stream pressure differentials across the blade ring and inner Web when operating at high temperature. 1.2      Problem Statement The dishing occurs such that the diaphragm experiences distorting across it cross axis and the
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Two African firms to Begin Producing NASA-Designed COVID-19 Ventilator

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  According to newsfeed from NASA,  In late April, NASA announced the development of Ventilator Intervention Technology Accessible Locally (VITAL), a ventilator prototype designed specifically to address the COVID-19 pandemic. Since then,  28 manufacturers  around the world have been licensed to make the device. So far so good Brazil is the only one already preparing to begin production. Now that they currently ranked second highest in numbers of death recorded due to COVID 19 after USA which record the highest.  Anvisa, Brazil's counterpart to the U.S. Food and Drug Administration, announced approval of this effort during an Aug. 24 press conference with the licensee, a joint partnership between Russer, a medical device manufacturer, and CIMATEC (Manufacturing and Technology Integrated Campus), a nonprofit research and development institution. So with regards to all these partnerships and Interventions we might witness a new wave of revolutions or breakthrough in the supply of cos
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