U.S. Government Research Reports PDF Download
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 174
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1064
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Book Description
Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Military art and science
Languages : en
Pages : 1540
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 530
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 932
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Book Description
Author:
Publisher: Academic Press
ISBN: 0080575595
Category : Science
Languages : en
Pages : 551
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Book Description
Advances in Heat Transfer
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 840
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Book Description
Author: Darryl E. Metzger
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 152
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Book Description
Author: J. W. Mitchell
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 200
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Book Description
Theing of radial flow gas turbine fluid dynamics and heat transfer behavior is investi gated. A test facility was constructed for the modeling of turbine flows. Several unconven tional experimental techniques were developed for use in the facility. A simple model of a radial flow gas turbine was analyzed and tested. The fluid dynamics and heat transfer behavior of a single radially inward flow of air over a shrouded rotating disk was experimentally deter mined. The fluid dynamics behavior is presented as a series of graphs detailing the velocity profiles. The heat transfer is correlated over the operating range of radial flow gas turbines by a simple algebraic relation between the governing nondimensional parameters. An analy sis is presented that does not adequately pre dict the heat transfer. The reasons for the discrepancy between analysis and experiment are discussed. (Author).
Author: J. F. Swindells
Publisher:
ISBN:
Category : Temperature measurements
Languages : en
Pages : 534
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Book Description
Author: J. W. Pitts
Publisher:
ISBN:
Category : Cement
Languages : en
Pages : 322
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Book Description
A summary is presented of a research program aimed at the improvement of high-temperature strain gages of the electrical resistance type. Potential ceramic and metal components were evaluated and a gage was devised that was based on these evaluations. This gage (NBS 5B) was flexible and easy to install; however, it lacked resistance stability at higher temperatures. In an attempt to minimize this deficiency, ceramic cements were developed that showed greater electrical resistivity than had been previously observed in the range 800 to 1800 degrees Fahrenheit; also, a technique was devised for increasing the resistance to ground by applying a fired-on ceramic coating to the grid of a specifically developed unbacked gage. A study was made of the cause of the erratic response of cemented gages that had not been preheated prior to use. There were strong indications that the erratic response was caused mostly by the rapid decrease in resistance that accompanied structural changes in the cement.
