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Author : Martin Hersch
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Gaseous-hydrogen-liquid-oxygen Rocket Combustion at Supercritical Chamber Pressures written by Martin Hersch and published by . This book was released on 1967 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Hersch
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (25 download)
Download or read book Gaseous-hydrogen - Liquid-oxygen Rocket Combustion at Supercritical Chamber Pressures written by Martin Hersch and published by . This book was released on 1967 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel I. Drain
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book Relations of Combustion Dead Time to Engine Variables for a 20,000-pound-thrust Gaseous-hydrogen written by Daniel I. Drain and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted on an uncooled 20,000lb-thrust gaseous-H and LOX rocket engine over a range of chamber pressure from 45 to 300 psia and oxidant-fuel ratio from 2 to 7. Combustion dead times were measured and compared with dead times calculated from frequency data for two assumed combustion models. Measured combustion dead time decreased with increasing chamber pressure at constant oxidant-fuel ratio or LOX injection velocity. This dead time also decreased with oxidant-fuel ratio at constant chamber pressure or O injection velocity. For the engine model where combustion dead time was considered to be the inverse of twice the measured chamberpressure frequency, only a fair agreement with the measured dead time was obtained. When the measured chamber-pressure frequencies were corrected for gas-dynamics effects in terms of the gas residence time, close agreement with the measured dead times was obtained. (Author).
Author : Gilbert K. Sievers
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (317 download)
Download or read book Theoretical Performance of Hydrogen-oxygen Rocket Thrust Chambers written by Gilbert K. Sievers and published by . This book was released on 1961 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical rocket performance data for the propellant combination of liquid hydrogen and liquid oxygen are presented in convenient graphical forms to permit rapid determination of specific impulse, vacuum specific impulse, and characteristic velocity. Data are presented for both frozen and equilibrium composition during expansion for chamber pressures of 15, 30, 60, 150, 300, 600, 900 and 1200 pounds per square inch absolute over a wide range of percent fuel from approximately 8 to 34 and area ratios to approximately 300. For rapid calculation of the theoretical nozzle performance with over- or under- expansion, separated flow, and introduction of propellants at different initial conditions or heat loss from the combustion chamber, the following theoretical data are also presented: combustion-chamber temperature, nozzle-exit temperature, and the ratio of chamber-pressure to nozzle-exit pressure. An easy method is given for estimating theoretical specific impulse at chamber pressures other than those presented.
Author : Marcus F. Heidmann
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Oscillatory Combustion of a Liquid-oxygen Jet with Gaseous Hydrogen written by Marcus F. Heidmann and published by . This book was released on 1965 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (227 download)
Download or read book Liquid Rocket Motor Combustion Stability Using Coaxial Injectors and Supercritical Droplet Combustion and Dynamics written by and published by . This book was released on 1995 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cold flow experiments with a full-size SSME preburner shear coaxial injector element using liquid and gaseous nitrogen at pressures up to 4 MPa showed that the intact liquid core decreased in length with increasing chamber pressure up to the critical pressure, after which it increased in length. Increasing the liquid to gas mass flow rate ratio resulted in an increase in the length of the liquid core. LDV measurements showed flow recirculation downstream of the LOX post. Results from a linearized model of the injector, combustion and vaporization processes compared well to unsteady pressure measurements made during liquid oxygen/gaseous hydrogen hot-fire tests. Vaporization and combustion of liquid droplets in both subcritical and supercritical environments have been studied systematically. A variety of liquid propellants and propellant simulants, including hydrobon and cryogenic fluids, in both steady and oscillatory environments were treated numerically. Because the model allows solutions from first principles, a systematic examination of the droplet behavior over wide ranges of pressure, temperuture, and ambient flow velocity is made possible. Results can not only enhance the basic understanding of the problem, but can also serve as a basis for establishing droplet vaporization and combustion correlations for the study of liquid rocitet engine combustion, performance, and stability. (AN).
Author : William A. Tomazic
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Experiments with Hydrogen and Oxygen in Regenerative Engines at Chamber Pressures from 100 to 300 Pounds Per Square Inch Absolute written by William A. Tomazic and published by . This book was released on 1960 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Hersch
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (31 download)
Download or read book Combined Effect of Contraction Ratio and Chamber Pressure on the Performance of a Gaseous Hydrogen Liquid Oxygen Combustor for a Given Propellant Weight Flow and Oxidant Fuel Ratio written by Martin Hersch and published by . This book was released on 1961 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ralph L. Schacht
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Axial and Circumferential Variations of Hot-gas-side Heat-transfer Rates in a Hydrogen-oxygen Rocket written by Ralph L. Schacht and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vigor Young
Publisher : AIAA
ISBN 13 : 9781600864186
Total Pages : 606 pages
Book Rating : 4.8/5 (641 download)
Download or read book Liquid Rocket Engine Combustion Instability written by Vigor Young and published by AIAA. This book was released on 1995 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Since the invention of the V-2 rocket during World War II, combustion instabilities have been recognized as one of the most difficult problems in the development of liquid propellant rocket engines. This book is the first published in the United States on the subject since NASA's Liquid Rocket Combustion Instability (NASA SP-194) in 1972. In this book, experts cover four major subject areas: engine phenomenology and case studies, fundamental mechanisms of combustion instability, combustion instability analysis, and engine and component testing. Especially noteworthy is the inclusion of technical information from Russia and China--a first.
Author : Reino J. Salmi
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Effect of Thrust Per Element on Combustion Stability Characteristics of Hydrogen-oxygen Rocket Engines written by Reino J. Salmi and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)
Download or read book Experimental Performance of Liquid Hydrogen and Liquid Fluorine in Regeneratively Cooled Rocket Engines written by and published by . This book was released on 1959 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Contributions of Atomization, Vaporization and Combustion to Liquid Rocket Acoustic Energy written by and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acoustic oscillations were induced in a sub-scale liquid rocket engine that burned liquid oxygen and gaseous hydrogen as propellants. The oscillations in the chamber were forced by a rotating gear just downstream of the nozzle throat. High frequency data was acquired for pressure and velocity via a pressure transducer and a magnetic flowmeter. The magnetic flowmeter obtains the acoustic gas velocity by measuring the voltage induced by the ionized combustion products moving through an externally imposed magnetic field. A cross correlation was performed on the velocity and pressure signals to determine the amplitude and phase difference of the two signals.
Author :
Publisher :
ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA Technical Note written by and published by . This book was released on 1973 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John L. Sloop
Publisher :
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.:/5 (317 download)
Download or read book Liquid Hydrogen as a Propulsion Fuel, 1945-1959 written by John L. Sloop and published by . This book was released on 1978 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John P. Wanhainen
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book Effect of Chamber Pressure, Flow Per Element, and Contraction Ratio on Acoustic-mode Instability in Hydrogen-oxygen Rockets written by John P. Wanhainen and published by . This book was released on 1968 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.E/5 ( download)
Download or read book A Selected Listing of NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1968 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
