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Pressure And Temperature Sensitive Paint Field System
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Book Synopsis Pressure and Temperature Sensitive Paint Field System by : National Aeronaut Administration (Nasa)
Download or read book Pressure and Temperature Sensitive Paint Field System written by National Aeronaut Administration (Nasa) and published by . This book was released on 2020-08-05 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the Pressure and Temperature Sensitive Paint Field System that is used to provide global surface pressure and temperature measurements on models tested in Langley wind tunnels. The system was developed and is maintained by Global Surface Measurements Team personnel of the Data Acquisition and Information Management Branch in the Research Facilities Services Competency. Descriptions of the system hardware and software are presented and operational procedures are detailed. Sprinkle, Danny R. and Obara, Clifford J. and Amer, Tahani R. and Faulcon, Nettie D. and Carmine, Michael T. and Burkett, Cecil G. and Pritchard, Daniel W. and Oglesby, Donald M. Langley Research Center; NASA Headquarters NASA/TM-2004-213020, L-183774 PRESSURE SENSITIVE PAINTS; TEMPERATURE SENSITIVE PAINTS; WIND TUNNELS; ELECTRONIC EQUIPMENT; PHOTOMETRY; SPECTROPHOTOMETRY; FLOW VISUALIZATION; DATA ACQUISITION; COMPUTER PROGRAMS
Book Synopsis Pressure and Temperature Sensitive Paints by : Tianshu Liu
Download or read book Pressure and Temperature Sensitive Paints written by Tianshu Liu and published by Springer Science & Business Media. This book was released on 2006-01-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Luminescent molecule sensors, called pressure-sensitive paint (PSP) and temperature-sensitive paint (TSP), measure factors essential for understanding the aerodynamic performance and heat transfer characteristics of flight vehicles. They provide a powerful tool for experimental aerodynamicists to obtain a deeper understanding of the rich physical phenomena in complex flows around a flight vehicle. This book helps the reader to understand the physics and chemistry and the capabilities of PSP and TSP. It provides an overview of the wide scope of applications and explains the system requirements for using these sensors. The book also includes an extensive table of properties of PTP and TSP. As such, it is a thorough and up-to-date coverage of the underlying physics and applications of luminescent molecules designed for global pressure and temperature mapping
Book Synopsis Pressure and Temperature Sensitive Paints by : Tianshu Liu
Download or read book Pressure and Temperature Sensitive Paints written by Tianshu Liu and published by Springer Nature. This book was released on 2021-07-31 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition describes pressure and temperature sensitive paints (PSP and TSP) in global surface pressure and temperature measurements in aerodynamics and fluid mechanics. The book includes the latest progress in paint formulations, instrumentation, and steady and unsteady aerodynamic measurements in various facilities including low-speed, transonic, supersonic and hypersonic wind tunnels. The updated technical aspects of PSP and TSP in the book will be useful for students and researchers in experimental aerodynamics and fluid mechanics.
Book Synopsis Investigation of Pressure and Temperature Sensitivities of a Pressure Sensitive Paint by : Peter D. Baumann
Download or read book Investigation of Pressure and Temperature Sensitivities of a Pressure Sensitive Paint written by Peter D. Baumann and published by . This book was released on 1998-09-01 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the development of a surface pressure measurement system for transonic compressor rotors, it has been shown that Pressure Sensitive Paint (PSP) is also temperature dependent. In the present study, the sensitivities to pressure and temperature were examined experimentally using an electronically- gated, intensified Charged- Coupled-Device (CCD) video camera, frame-grabber software and an eight-inch diameter calibration chamber. Using a signal generator, in a procedure that matched the requirements of the rotor application, multiple low-intensity-level camera exposures were integrated and captured to produce a single usable image. Ten captured images were averaged to increase the image's signal-to-noise ratio and the result was used to produce an image ratio with respect to a static (ambient pressure/temperature) reference condition. Calibration tests of constant temperature/variable pressure and constant pressure/variable temperature were completed. The results were then compared with data obtained using the same paint and an automated, single- exposure calibration procedure at NASA Ames Research Center. It was shown that the calibration data could be used to derive the static pressure field produced over a high-speed test rotor using PSP and the same image-capture system used in the calibration. In preparation for a bench test of the procedure, a uniform- stress, high-speed test rotor disk, fitted with a shock generator was driven at speeds in excess of 30,000 RPM. Recommendations are made toward the goal of obtaining quantitative pressure measurements on transonic compressor rotors.
Book Synopsis Data Analysis Techniques for Pressure and Temperature Sensitive Paint by : J. F. Donovan
Download or read book Data Analysis Techniques for Pressure and Temperature Sensitive Paint written by J. F. Donovan and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722948269 Total Pages :106 pages Book Rating :4.9/5 (482 download)
Book Synopsis Application of the Pressure Sensitive Paint Technique to Steady and Unsteady Flow by : National Aeronautics and Space Administration (NASA)
Download or read book Application of the Pressure Sensitive Paint Technique to Steady and Unsteady Flow written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure sensitive paint is a newly-developed optical measurement technique with which one can get a continuous pressure distribution in much shorter time and lower cost than a conventional pressure tap measurement. However, most of the current pressure sensitive paint applications are restricted to steady pressure measurement at high speeds because of the small signal-to-noise ratio at low speed and a slow response to pressure changes. In the present study, three phases of work have been completed to extend the application of the pressure sensitive paint technique to low-speed testing and to investigate the applicability of the paint technique to unsteady flow. First the measurement system using a commercially available PtOEP/GP-197 pressure sensitive paint was established and applied to impinging jet measurements. An in-situ calibration using only five pressure tap data points was applied and the results showed good repeatability and good agreement with conventional pressure tap measurements on the whole painted area. The overall measurement accuracy in these experiments was found to be within 0.1 psi. The pressure sensitive paint technique was then applied to low-speed wind tunnel tests using a 60 deg delta wing model with leading edge blowing slots. The technical problems encountered in low-speed testing were resolved by using a high grade CCD camera and applying corrections to improve the measurement accuracy. Even at 35 m/s, the paint data not only agreed well with conventional pressure tap measurements but also clearly showed the suction region generated by the leading edge vortices. The vortex breakdown was also detected at alpha=30 deg. It was found that a pressure difference of 0.2 psi was required for a quantitative pressure measurement in this experiment and that temperature control or a parallel temperature measurement is necessary if thermal uniformity does not hold on the model. Finally, the pressure sensitive paint was applied to a periodically chang...
Book Synopsis Pressure Sensitive Paint Measurement on a Rotor by : Donald R. Varner
Download or read book Pressure Sensitive Paint Measurement on a Rotor written by Donald R. Varner and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toward the development of a measurement system for transonic compressor rotors, the static pressure field over a high-speed test rotor was recorded using pressure sensitive paint (PSP) and an electronically-gated, intensified CCD video camera and frame-grabber. Semi-conductor digital logic circuits were developed to form a phase-locked image capture system which acquired ultra-high-speed, low-light-level gated images once per revolution (1/Rev). A monostable pulse circuit was developed to sum more than 200 gated images over a one-second integration period to build a single image. Rotor speed was measured on an oscilloscope using the 1/Rev trigger-pulse. Also, a pressure vessel was constructed and used to calibrate the PSP over varying pressure and temperature ranges to yield qualitative image intensity versus pressure data. Finally, the static pressure field data over the rotor surface was measured and presented as a 256 grey-scale and color image.
Book Synopsis New Results in Numerical and Experimental Fluid Mechanics XII by : Andreas Dillmann
Download or read book New Results in Numerical and Experimental Fluid Mechanics XII written by Andreas Dillmann and published by Springer Nature. This book was released on 2019-09-26 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers contributions to the 21st biannual symposium of the German Aerospace Aerodynamics Association (STAB) and the German Society for Aeronautics and Astronautics (DGLR). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. Special emphasis is given to collaborative research projects conducted by German scientists and engineers from universities, research-establishments and industries. By addressing a number of cutting-edge applications, together with the relevant physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field. The book’s primary emphasis is on aerodynamic research in aeronautics and astronautics, and in ground transportation and energy as well.
Book Synopsis Inverse Problems in Global Flow Diagnostics by : Tianshu Liu
Download or read book Inverse Problems in Global Flow Diagnostics written by Tianshu Liu and published by Springer Nature. This book was released on 2023-10-03 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes unified image-based measurement methods (theories, numerical methods, and algorithms) to determine the important physical quantities of complex flows in engineering and natural systems, including velocity, pressure, temperature, heat transfer, and skin friction. It presents a systematical study of the inverse problems in global flow diagnostics in a unified framework of the variational formulations. The authors further illustrate the main physical quantities in fluid mechanics, including velocity, pressure, skin friction and surface heat flux, extracted from flow visualization images obtained in experiments and observations. The developed methods are applicable in various image-based flow measurements in diverse disciplines ranging from fluid mechanics/aerodynamics to plenary sciences.
Download or read book Research & Technology 2000 written by and published by DIANE Publishing. This book was released on with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Springer Handbook of Experimental Fluid Mechanics by : Cameron Tropea
Download or read book Springer Handbook of Experimental Fluid Mechanics written by Cameron Tropea and published by Springer Science & Business Media. This book was released on 2007-10-09 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying DVD-ROM contains ... "all chapters of the Springer Handbook."--Page 3 of cover.
Book Synopsis Application of the Pressure Sensitive Paint Technique to Steady and Unsteady Flow by : Yuichi Shimbo
Download or read book Application of the Pressure Sensitive Paint Technique to Steady and Unsteady Flow written by Yuichi Shimbo and published by . This book was released on 1996 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hermann Schlichting – 100 Years by : Rolf Radespiel
Download or read book Hermann Schlichting – 100 Years written by Rolf Radespiel and published by Springer Science & Business Media. This book was released on 2009-03-06 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hermann Schlichting is one of the internationally leading scientists in the field of th fluid mechanics during the 20 century. He contributed largely to modern theories of viscous flows and aircraft aerodynamics. His famous monographies Boundary Layer Theory and Aerodynamics of Aircraft are known worldwide and they appeared in six languages. He held Chairs of Aerodynamics and Fluid Mechanics at Technische U- versität Braunschweig during 37 years and directed the Institute of Aerodynamics of the Deutsche Forschungsanstalt für Luftfahrt in Braunschweig. He also directed the Aerodynamische Versuchsanstalt Göttingen and served in the Executive Board of the German Aerospace Center (DFVLR). Hermann Schlichting played a leading role in the rebuilding of aerospace research in Germany after the Second World War. th The occasion of his 100 birthday in the year 2007 was an excellent opportunity to acknowledge important ideas and accomplishments that Hermann Schlichting c- tributed to science. The editors of this volume are the present successors of Hermann Schlichting in his role as director of the two research institutes in Braunschweig. We were glad to host a scientific colloquium in his honor on 28 September 2007. Invited former scholars of Hermann Schlichting reviewed his work in boundary layer theory and in aircraft aerodynamics followed by presentations of important research results of his institutes today.
Book Synopsis Applied Measurement Systems by : Md. Zahurul Haq
Download or read book Applied Measurement Systems written by Md. Zahurul Haq and published by BoD – Books on Demand. This book was released on 2012-02-24 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurement is a multidisciplinary experimental science. Measurement systems synergistically blend science, engineering and statistical methods to provide fundamental data for research, design and development, control of processes and operations, and facilitate safe and economic performance of systems. In recent years, measuring techniques have expanded rapidly and gained maturity, through extensive research activities and hardware advancements. With individual chapters authored by eminent professionals in their respective topics, Applied Measurement Systems attempts to provide a comprehensive presentation and in-depth guidance on some of the key applied and advanced topics in measurements for scientists, engineers and educators.
Book Synopsis Standardization and Quality Assurance in Fluorescence Measurements I by : Ute Resch-Genger
Download or read book Standardization and Quality Assurance in Fluorescence Measurements I written by Ute Resch-Genger and published by Springer Science & Business Media. This book was released on 2008-08-06 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical chemists and materials scientists will find this a useful addition to their armory. The contributors have sought to highlight the present state of affairs in the validation and quality assurance of fluorescence measurements, as well as the need for future standards. Methods included range from steady-state fluorometry and microfluorometry, microscopy, and micro-array technology, to time-resolved fluorescence and fluorescence depolarization imaging techniques.
Book Synopsis Practical Temperature Measurement by : Peter R. N. Childs
Download or read book Practical Temperature Measurement written by Peter R. N. Childs and published by Butterworth-Heinemann. This book was released on 2001-10-30 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Temperature * General temperature measurement considerations * Invasive temperature measurement * Semi-invasive temperature measurement * Non-invasive temperature measurement * Temperature measurement technique selection * Heat flux measurement * Conclusions.
Book Synopsis New Results in Numerical and Experimental Fluid Mechanics II by : Wolfgang Nitsche
Download or read book New Results in Numerical and Experimental Fluid Mechanics II written by Wolfgang Nitsche and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers of the 11th Symposium of the AG STAB (German Aerospace Aerodynamics Association). In this association those scientists and engineers from universities, research-establishments and industry are involved, who are doing research and project work in numerical and experimental fluid mechanics and aerodynamics for aerospace and other applications. Many of the contributions are giving results from the "Luftfahrtforschungsprogramm der Bundesregierung (German Aeronautical Research Programme). Some of the papers report on work sponsored by the Deutsche Forschungsgemeinschaft, DFG, which also was presented at the symposium. The volume gives a broad overview over the ongoing work in this field in Germany.
