Design Methods In Active Value Pulse Tube Refrigerator
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Design Methods In Active Value Pulse Tube Refrigerator
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Author : Jong Hoon Baik
language : en
Publisher:
Release Date : 2003
Design Methods In Active Value Pulse Tube Refrigerator written by Jong Hoon Baik and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Optimization Of Single And Multi Stage Pulse Tube Refrigerators
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Author : Jinglei Shi
language : en
Publisher:
Release Date : 2008
Optimization Of Single And Multi Stage Pulse Tube Refrigerators written by Jinglei Shi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Cryocoolers 11
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Author : Ronald G. Jr. Ross
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-08
Cryocoolers 11 written by Ronald G. Jr. Ross and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-08 with Science categories.
Composed of papers written by leading engineers and scientists in the field, this valuable collection reports the most recent advances in cryocooler development, contains extensive performance test results and comparisons, and relates the latest experience in integrating cryocoolers into advanced applications.
Design And Analysis Of Two Stage Pulse Tube Refrigerator
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Author : Nimesh Parmar
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2014
Design And Analysis Of Two Stage Pulse Tube Refrigerator written by Nimesh Parmar and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Science categories.
This work is usefull for the the branch of physics and Engineering that involves the study of producing temperatures in the range from practically zero to, say, 125 K and of material behavior at these temperatures. A cryocooler is a refrigeration machine that reaches temperatures below, say, 125 K with a small refrigeration capacity. The objectives of the present work describe the analysis, design and an experimental working model of two stage pulse tube refrigerator. By using the Experiment set-up, cooling Behavior of the refrigeration system and refrigeration power has been investigated. Test a Two stage pulse tube refrigerator in the cryogenics lab of Mechanical Engineering Department of L.D.College of engineering, Ahmedabad. This book can use for initiation design and experiment with pulse tube refrigerator.
Design Of A Single Orifice Pulse Tube Refrigerator Through The Development Of A First Order Model
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Author : Alisha Robin Schor
language : en
Publisher:
Release Date : 2007
Design Of A Single Orifice Pulse Tube Refrigerator Through The Development Of A First Order Model written by Alisha Robin Schor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
A first order model for the behavior of a linear orifice pulse tube refrigerator (OPTR) was developed as a design tool for construction of actual OPTRs. The model predicts cooling power as well as the pressure/volume relationships for various segments of the refrigerator with minimal computational requirements. The first portion of this document describes the development of this model and its simplifications relative to higher-order numerical models. The second portion of this document details a physical implementation of the pulse tube and compares its performance to the predicted performance of the model. It was found that the model accurately predicted qualitative behavior and trends of the orifice pulse tube refrigerator, but that the predicted temperature difference was approximately five times higher than the measured temperature difference. It is believed that the model can be improved with provisions for flow choking as well as warnings for behavior outside of the accepted operating conditions.
A Study Of Pulse Tube Refrigerators
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Author : Jie Yuan
language : en
Publisher:
Release Date : 1998
A Study Of Pulse Tube Refrigerators written by Jie Yuan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Experimental Study Of Pulse Tube Refrigerators
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Author :
language : en
Publisher:
Release Date :
Experimental Study Of Pulse Tube Refrigerators written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The working fluid for the pulse tube refrigerator is Helium, which is non-toxic to humans and harmless to the environment. The Pulse Tube Refrigeration unit offers a viable alternative to units that currently require CFC and HCFC working fluids. Pulse Tube Refrigerators can be operated over wide range of temperatures. These units can be used in numerous space and commercial applications, including food freezers freeze dryers. It can also be used to cool detectors and electronic devices. The design of Pulse Tube Refrigeration Unit was based on Orifice Pulse Tube Concept. First the gas is compressed in a compressor. Next it floes through the compressor after cooler, where heat is rejected to the water cooled loop. Then the gas enters the regenerator and cold end heat exchanger where heat is added to the gas from surroundings. The gas finally enters the Pulse Tube, orifice and reservoir. These three components produce the phase shift of mass flow and pressure, which is necessary for cooling. The gas shuttles forth between hot and cold ends. Heat is lifted against the temperature gradient and rejected at hot end heat exchanger, which is water cooled.
Cryocoolers 12
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Author : Ronald G. Jr. Ross
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-08
Cryocoolers 12 written by Ronald G. Jr. Ross and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-08 with Science categories.
The last two years have witnessed a continuation in the breakthrough shift toward pulse tube cryocoolers for long-life, high-reliability cryocooler applications. One class of pulse tubes that has reached maturity is referred to as “Stirling type” because they are based on the linear Oxford Stirling-cooler type compressor; these generally provide cooling in the 30 to 100 K temperature range and operate at frequencies from 30 to 60 Hz. The other type of pulse tube cooler making great advances is the so-called “Gifford-McMahon type. ” Pulse tube coolers of this type use a G-M type compressor and lower frequency operation to achieve temperatures in the 2 to 10 K temperature range. Nearly a third of this proceedings covers these new developments in the pulse tube arena. Complementing the work on low-temperature pulse tubes is substantial continued progress on rare earth regenerator materials and Gifford-McMahon coolers. These technologies continue to make great progress in opening up the 2 - 4 K market. Also in the commercial sector, continued interest is being shown in the development of long-life, low-cost cryocoolers for the emerging high temperature superconductor electronics market, particularly the cellular telephone base-station market. At higher temperature levels, closed-cycle J-T or throttle-cycle refrigerators are taking advantage of mixed refrigerant gases to achieve low-cost cryocooler systems in the 65 to 80 K temperature range.
Thermoacoustics
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Author : Gregory W. Swift
language : en
Publisher: Springer
Release Date : 2017-10-05
Thermoacoustics written by Gregory W. Swift and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-05 with Science categories.
This updated new edition provides an introduction to the field of thermoacoustics. All of the key aspects of the topic are introduced, with the goal of helping the reader to acquire both an intuitive understanding and the ability to design hardware, build it, and assess its performance. Weaving together intuition, mathematics, and experimental results, this text equips readers with the tools to bridge the fields of thermodynamics and acoustics. At the same time, it remains firmly grounded in experimental results, basing its discussions on the distillation of a body of experiments spanning several decades and countries. The book begins with detailed treatment of the fundamental physical laws that underlie thermoacoustics. It then goes on to discuss key concepts, including simple oscillations, waves, power, and efficiency. The remaining portions of the book delve into more advanced topics and address practical concerns in applications chapters on hardware and measurements. With its careful progression and end-of-chapter exercises, this book will appeal to graduate students in physics and engineering as well as researchers and practitioners in either acoustics or thermodynamics looking to explore the possibilities of thermoacoustics. This revised and expanded second edition has been updated with an eye to modern technology, including computer animations and DeltaEC examples.
Bulletin De L Institut International Du Froid
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Author :
language : en
Publisher:
Release Date : 2008
Bulletin De L Institut International Du Froid written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Refrigeration and refrigerating machinery categories.