Studies Of A Linear Orifice Pulse Tube Refrigerator
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Studies Of A Linear Orifice Pulse Tube Refrigerator
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Author : Michiaki Ishimura
language : en
Publisher:
Release Date : 1997
Studies Of A Linear Orifice Pulse Tube Refrigerator written by Michiaki Ishimura and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Low temperature engineering categories.
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator Classic Reprint
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Author : Peter J. Storch
language : en
Publisher: Forgotten Books
Release Date : 2018-10-04
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator Classic Reprint written by Peter J. Storch and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-04 with Science categories.
Excerpt from Analytical Model for the Refrigeration Power of the Orifice Pulse Tube Refrigerator The general goal of this study is to gain a better understanding of the refrigeration mechanism and the capability of the ptr. More Specifically, this work is concerned with developing an analytical model for the refrigeration power generated in an orifice pulse tube refrigerator (cftr). With the aid of several simplifying assumptions, we derive equations which identify the important parameters in the system. Once the analytical expressions are devised, verification of the model is accomplished by comparing results to previous experimental studies as well as to experiments completed in this work. A simple, analytical model of the cooling power is useful for three reasons. First, such a model provides insight into the refrigeration mechanism. Often when a numerical model is used to rigorously describe a system, it is difficult to see the physics involved in the process. With an analytical expression, important parameters that affect performance are more easily recognized. Second, basic trends or dependencies of performance can be determined. Such dependencies will aid in optimization and indicate the range of parameters which should be studied in more detail either numerically or experimentally. Third, a simple analytical model will be useful for design. Although not as accurate as a numerical analysis, the model will be convenient for making approximate predictions of system size and refrigeration capacity of the ptr. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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.
Analytical Model Of The Orifice Pulse Tube Refrigerator
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Author : Peter James Storch
language : en
Publisher:
Release Date : 1987
Analytical Model Of The Orifice Pulse Tube Refrigerator written by Peter James Storch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Low temperature engineering categories.
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.
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator
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Author : Peter J. Storch
language : en
Publisher:
Release Date : 1990
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator written by Peter J. Storch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Refrigeration and refrigerating machinery categories.
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator
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Author : Peter J. Storch
language : en
Publisher:
Release Date : 1990
Analytical Model For The Refrigeration Power Of The Orifice Pulse Tube Refrigerator written by Peter J. Storch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Refrigeration and refrigerating machinery 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.
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.
The Measurement And Modeling Of Regenerator Performance In An Orifice Pulse Tube Refrigerator
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Author : Wayne C. Rawlins
language : en
Publisher:
Release Date : 1992
The Measurement And Modeling Of Regenerator Performance In An Orifice Pulse Tube Refrigerator written by Wayne C. Rawlins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Cryoelectronics categories.