Výsledky vyhledávání - "Gajanana C. Birur"

Start-Up Characteristics and Gravity Effects on a Medium/High-Lift Heat Pump using Advanced Hybrid Loop Technology

Autor: Chan-Woo Park, Jennifer Miller, Eric Sunada, Gajanana C. Birur, Gani B. Ganapathi

Publikováno v: SAE International Journal of Aerospace. 1:1-14

Thermal characterization was performed on a vapor compression heat pump using a novel, hybrid two phase loop design. Previous work on this technology has demonstrated its ability to provide passive phase separation and flow control based on capillary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20a8607f100a30cc5856c655dfcd0edd
https://doi.org/10.4271/2008-01-1959

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Physical, chemical, theoretical aspects of conducting polymer electrochromics in the visible, IR and microwave regions

Autor: P. Chandrasekhar, V. Sitaram, Gajanana C. Birur, B.J. Zay, M. Coviello, T. McQueeney, Reghu Menon, Ronald L. Elsenbaumer

Publikováno v: Synthetic Metals. 155:623-627

Conducting polymers (CPs) display strong electrochromism across the visible, near-IR (NIR), IR and even microwave spectral regions. Applications range from military to space. However, a fundamental understanding of the phenomena behind this electroch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dfe99744ad4b3165aef31179d340d83
https://doi.org/10.1016/j.synthmet.2005.08.015

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NASA thermal control technologies for robotic spacecraft

Autor: Theodore D. Swanson, Gajanana C. Birur

Publikováno v: Applied Thermal Engineering. 23:1055-1065

Technology development is inevitably a dynamic process in search of an elusive goal. It is never truly clear whether the need for a particular technology drives its development, or the existence of a new capability initiates new applications. Technol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9b4438f22ce99d129ccc8d4e9753cdd
https://doi.org/10.1016/s1359-4311(03)00036-x

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Large, Switchable Electrochromism in the Visible Through Far-Infrared in Conducting Polymer Devices

Autor: E.A. Pierson, Theodore D. Swanson, S. Rawal, Lonny R. Kauder, Gajanana C. Birur, P. Chandrasekhar, B.J. Zay

Publikováno v: Advanced Functional Materials. 12:95-103

Advanced materials with large and dynamic variation in thermal properties, sought for urgent defense and space applications, have heretofore been elusive. Conducting polymers (CPs) have shown some intrinsic variation of mid- to far-infrared (IR) sign

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a16879beee815fe0c6f8be24faf05bd
https://doi.org/10.1002/1616-3028(20020201)12:2<95::aid-adfm95>3.0.co

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Performance Of The Mechanically Pumped Fluid Loop Rover Heat Rejection System Used For Thermal Control Of The Mars Science Laboratory Curiosity Rover On The Surface Of Mars

Autor: Gajanana C. Birur, Jennifer Miller, A. J. Mastropietro, Yuanming Liu, David Bame, Pradeep Bhandari, Paul Karlmann, Kevin R. Anderson

Publikováno v: 43rd International Conference on Environmental Systems.

The challenging range of landing sites for which the Mars Science Laboratory Rover was designed, required a rover thermal management system that is capable of keeping temperatures controlled across a wide variety of environmental conditions. On the M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c76e0f0c118fda4b53e799e976d98f9
https://doi.org/10.2514/6.2013-3323

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Leak Mitigation in Mechanically Pumped Fluid Loops for Long Duration Space Missions

Autor: Paul Karlmann, Darlene Lee, Gajanana C. Birur, A. J. Mastropietro, Yuanming Liu, Pradeep Bhandari, David Bame, Jennifer Miller

Publikováno v: 43rd International Conference on Environmental Systems.

Mechanically pumped fluid loops (MPFLs) are increasingly considered for spacecraft thermal control. A concern for long duration space missions is the leak of fluid leading to performance degradation or potential loop failure. An understanding of leak

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2312c9dc3af5f6b7e0cfa1bce66daa68
https://doi.org/10.2514/6.2013-3324

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Design of Accumulators and Liquid/Gas Charging of Single Phase Mechanically Pumped Fluid Loop Heat Rejection Systems

Autor: Brenda Dudik, David Bame, A. J. Mastropietro, Pradeep Bhandari, Paul Karlmann, Gajanana C. Birur

Publikováno v: 42nd International Conference on Environmental Systems.

For single phase mechanically pumped fluid loops used for thermal control of spacecraft, a gas charged accumulator is typically used to modulate pressures within the loop. This is needed to accommodate changes in the working fluid volume due to chang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64e6315b386d4eca46a1b1e9da38056e
https://doi.org/10.2514/6.2012-3515

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