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There are a total of 9 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Thermocouple Rakes for Measuring Boundary Layer Flows Extremely Close to Surface
Author(s): Hwang, Danny P.; Fralick, Gustave C.; Martin, Lisa C.; Blaha, Charles A.
Abstract: Of vital interest to aerodynamic researchers is precise knowledge of the flow velocity profile next to the surface. This information is needed for turbulence model development and the calculation of viscous shear force. ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2008-06-02
Document ID: 20050196676
Collaboration of the NASA Glenn Research Center and Rolls-Royce Developed Thin Film Multilayered Dielectrics for Harsh Environments
Author(s): Wrbanek, John D.; Fralick, Gustave C.; Busfield, A. Rachel; Thomas, Valarie D.; Blaha, Charles A.
Abstract: The use of thin films to electrically insulate thin film sensors on engine components minimizes the intrusiveness of the sensors and allows a more accurate measurement of the environment. A variety of insulating films were ...
NASA Center: Glenn Research Center
Publication Year: 2003
Added to NTRS: 2008-06-02
Document ID: 20050214772
Thin-Film Ceramic Thermocouples Fabricated and Tested
Author(s): Wrbanek, John D.; Fralick, Gustave C.; Farmer, Serene C.; Sayir, Ali; Gregory, Otto J.; Blaha, Charles A.
Abstract: The Sensors and Electronics Technology Branch of the NASA Glenn Research Center is developing thin-film-based sensors for surface measurement in propulsion system research. Thin-film sensors do not require special machining ...
NASA Center: Glenn Research Center
Publication Year: 2004
Added to NTRS: 2008-06-02
Document ID: 20050192405
High-Temperature, Thin-Film Ceramic Thermocouples Developed
Author(s): Sayir, Ali; Blaha, Charles A.; Gonzalez, Jose M.
Abstract: To enable long-duration, more distant human and robotic missions for the Vision for Space Exploration, as well as safer, lighter, quieter, and more fuel efficient vehicles for aeronautics and space transportation, NASA is ...
NASA Center: Glenn Research Center
Publication Year: 2005
Added to NTRS: 2008-06-02
Document ID: 20050217026
A Multilayered Thin Film Insulator for Harsh Environments
Author(s): Wrbanek, John D.; Fralick, Gustave C.; Blaha, Charles A.; Busfield, A. Rachel; Thomas, Valarie D.
Abstract: The status of work to develop a reliable high temperature dielectric thin film for use with thin film sensors is presented. The use of thin films to electrically insulate thin film sensors on engine components minimizes the ...
NASA Center: Glenn Research Center
Publication Year: 2002
Added to NTRS: 2005-08-25
Document ID: 20030003704; Report Number: AIAA Paper 2002-3731, E-13555, NAS 1.15:211873, NASA/TM-2002-211873
Development of Thin Film Ceramic Thermocouples for High Temperature Environments
Author(s): Wrbanek, John D.; Fralick, Gustave C.; Farmer, Serene C.; Sayir, Ali; Blaha, Charles A.; Gonzalez, Jose M.
Abstract: The maximum use temperature of noble metal thin film thermocouples of 1100 C (2000 F) may not be adequate for use on components in the increasingly harsh conditions of advanced aircraft and next generation launch technology. ...
NASA Center: Glenn Research Center
Publication Year: 2004
Added to NTRS: 2005-08-25
Document ID: 20040110842; Report Number: AIAA Paper 2004-3549, E-14719, NASA/TM-2004-213211
A Thin Film Multifunction Sensor for Harsh Environments
Author(s): Wrbanek, John D.; Fralick, Gustave C.; Martin, Lisa C.; Blaha, Charles A.
Abstract: The status of work at NASA Glenn Research Center to develop a minimally intrusive integrated sensor to provide realtime measurement of strain, heat flux and flow in high temperature environments is presented in this paper. ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2005-08-25
Document ID: 20010098884; Report Number: AIAA Paper 2001-3315, E-12914, NAS 1.15:211075, NASA/TM-2001-211075
An Innovative Flow-Measuring Device: Thermocouple Boundary Layer Rake
Author(s): Hwang, Danny P.; Fralick, Gustave C.; Martin, Lisa C.; Wrbanek, John D.; Blaha, Charles A.
Abstract: An innovative flow-measuring device, a thermocouple boundary layer rake, was developed. The sensor detects the flow by using a thin-film thermocouple (TC) array to measure the temperature difference across a heater strip. ...
NASA Center: Glenn Research Center
Publication Year: 2001
Added to NTRS: 2005-08-25
Document ID: 20020036233; Report Number: AIAA Paper 2002-0289, E-13019, NAS 1.15:211161, NASA/TM-2001-211161
Durability Evaluation of a Thin Film Sensor System With Enhanced Lead Wire Attachments on SiC/SiC Ceramic Matrix Composites
Author(s): Lei, Jih-Fen; Kiser, J. Douglas; Singh, Mrityunjay; Cuy, Mike; Blaha, Charles A.; Androjna, Drago
Abstract: An advanced thin film sensor system instrumented on silicon carbide (SiC) fiber reinforced SiC matrix ceramic matrix composites (SiC/SiC CMCs), was evaluated in a Mach 0.3 burner rig in order to determine its durability to ...
NASA Center: Glenn Research Center
Publication Year: 2000
Added to NTRS: 2005-08-25
Document ID: 20000034009; Report Number: E-12154, NAS 1.15:209917, NASA/TM-2000-209917
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