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Long Titanium Heat Pipes For High Temperature Space Radiators
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Book Synopsis Long Titanium Heat Pipes for High-temperature Space Radiators by :
Download or read book Long Titanium Heat Pipes for High-temperature Space Radiators written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium heat pipes are being developed to provide light weight, reliable heat rejection devices as an alternate radiator design for the Space Reactor Power System (SP-100). The radiator design includes 360 heat pipes, each of which is 5.2 m long and dissipates 3 kW of power at 775 K. The radiator heat pipes use potassium as the working fluid, have two screen arteries for fluid return, a roughened surface distributive wicking system, and a D-shaped cross-section container configuration. A prototype titanium heat pipe, 5.5-m long, has been fabricated and tested in space-simulating conditions. Results from startup and isothermal operation tests are presented. These results are also compared to theoretical performance predictions that were used to design the heat pipe initially.
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781794348202 Total Pages :34 pages Book Rating :4.3/5 (482 download)
Book Synopsis Thermal Performance of High Temperature Titanium-Water Heat Pipes by Multiple Heat Pipe Manufacturers by : National Aeronautics and Space Adm Nasa
Download or read book Thermal Performance of High Temperature Titanium-Water Heat Pipes by Multiple Heat Pipe Manufacturers written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-19 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium-water heat pipes are being investigated for use in heat rejection systems for lunar and Mars fission surface power systems. Heat pipes provide an efficient and reliable means to transfer heat to a radiator heat rejection system. NASA Glenn Research Center requisitioned nine titanium water heat pipes from three vendors. Each vendor supplied three heat pipes 1.25 cm diameter by 1.1 meter long with each vendor selecting a different wick design. Each of the three heat pipes is slightly different in construction. Additional specifications for the heat pipes included 500 K nominal operating temperature, light weight, and freeze tolerance. The heat pipes were performance tested gravity-aided, in the horizontal position and at elevations against gravity at 450 and 500 K. Performance of the three heat pipes is compared. The heat pipe data will be used to verify models of heat pipe radiators that will be used in future space exploration missions. Sanzi, James L. Glenn Research Center NASA/CR-2007-214820, E-15978
Book Synopsis Thermal Performance of High Temperature Titanium-Water Heat Pipes by Multiple Heat Pipe Manufacturers by : James L. Sanzi
Download or read book Thermal Performance of High Temperature Titanium-Water Heat Pipes by Multiple Heat Pipe Manufacturers written by James L. Sanzi and published by BiblioGov. This book was released on 2013-07 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium-water heat pipes are being investigated for use in heat rejection systems for lunar and Mars fission surface power systems. Heat pipes provide an efficient and reliable means to transfer heat to a radiator heat rejection system. NASA Glenn Research Center requisitioned nine titanium water heat pipes from three vendors. Each vendor supplied three heat pipes 1.25 cm diameter by 1.1 meter long with each vendor selecting a different wick design. Each of the three heat pipes is slightly different in construction. Additional specifications for the heat pipes included 500 K nominal operating temperature, light weight, and freeze tolerance. The heat pipes were performance tested gravity-aided, in the horizontal position and at elevations against gravity at 450 and 500 K. Performance of the three heat pipes is compared. The heat pipe data will be used to verify models of heat pipe radiators that will be used in future space exploration missions.
Book Synopsis Technology for Large Space Systems by :
Download or read book Technology for Large Space Systems written by and published by . This book was released on 1983 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Titanium-alloy, Metallic-fluid Heat Pipes for Space Service by :
Download or read book Titanium-alloy, Metallic-fluid Heat Pipes for Space Service written by and published by . This book was released on 1979 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy: a Continuing Bibliography with Indexes by :
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1983 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1983 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Pipe Design and Technology by : Bahman Zohuri
Download or read book Heat Pipe Design and Technology written by Bahman Zohuri and published by Springer. This book was released on 2016-04-28 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a practical study of modern heat pipe engineering, discussing how it can be optimized for use on a wider scale. An introduction to operational and design principles, this book offers a review of heat and mass transfer theory relevant to performance, leading into and exploration of the use of heat pipes, particularly in high-heat flux applications and in situations in which there is any combination of non-uniform heat loading, limited airflow over the heat generating components, and space or weight constraints. Key implementation challenges are tackled, including load-balancing, materials characteristics, operating temperature ranges, thermal resistance, and operating orientation. With its presentation of mathematical models to calculate heat transfer limitations and temperature gradient of both high- and low-temperature heat pipes, the book compares calculated results with the available experimental data. It also includes a series of computer programs developed by the author to support presented data, aid design, and predict performance.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1983 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Functionality, Advancements and Industrial Applications of Heat Pipes by : Bahman Zohuri
Download or read book Functionality, Advancements and Industrial Applications of Heat Pipes written by Bahman Zohuri and published by Academic Press. This book was released on 2020-03-24 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functionality, Advancements and Industrial Applications of Heat Pipes introduces heat pipe technologies and highlights a variety of applications for passive thermal control. The book begins with a thorough analysis of heat pipe infrastructure, including principles of operation, temperature limits, reliability and lessons learned from worked examples and case studies. It also presents a concise design guideline for the assembly of heat pipes. The second part moves on to consider a variety of modern day applications for the heat pipe principles discussed, covering nuclear and solar thermal energy engineering facilities as well as applications in space, in the sea and in the air. A final section works through manufacturing elements of different types of heat pipe to ensure they are well maintained and remain fully operational. This section includes the cleaning of parts, the assembly of the heat pipe, an analysis of gas blockages and how to deal with them, as well as performance versification. Analyzes a wide variety of heat pipes used in various settings, including constant-conductance heat pipes, loop heat pipes and wrap around heat pipes Considers applications at sea, in the air, on land and in space, including the nuclear and solar energy industries, heat pipes in spacecraft and heat pipe reactors Includes a heat pipe assembly and design guide, as well as an analysis of lessons learned from different case studies
Book Synopsis Review of Advanced Radiator Technologies for Spacecraft Power Systems and Space Thermal Control by : Albert J. Juhasz
Download or read book Review of Advanced Radiator Technologies for Spacecraft Power Systems and Space Thermal Control written by Albert J. Juhasz and published by . This book was released on 1994 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Development of a Titanium Heat-pipe Space Radiator by :
Download or read book Design and Development of a Titanium Heat-pipe Space Radiator written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A titanium heat-pipe radiator has been designed for use in a 100-kW/sub e/ nuclear-thermoelectric (TE) space power plant. The radiator is required to have a 99% probability of remaining functional at full power at the end of a seven-year mission. The radiator has a conical-cylindrical shape and is compatible for launch in the space shuttle. The radiator heat pipes are arranged into panel segments and each reactor-core thermoelectric heat-pipe unit has four radiator heat pipes for redundancy. Radiator mass was minimized was based on acceptable losses due to micrometeoroid impact. Results of studies on various design parameters are presented in terms of radiator mass. Developments on the design and testing of the radiator heat pipes are also presented. Prototype titanium (potassium working fluid) heat pipes were fabricated and tested in space-simulating conditions. Testing results are compared to analytical performance predictions.
Download or read book "Energy for the Marketplace" written by and published by . This book was released on 1983 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1983 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design considerations for lightweight space radiators based on fabrication and test experience with a carboncarbon composite prototype heat pipe by :
Download or read book Design considerations for lightweight space radiators based on fabrication and test experience with a carboncarbon composite prototype heat pipe written by and published by DIANE Publishing. This book was released on with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
