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Author : Frank Gabron
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (781 download)
Download or read book Some Characteristics of Impinging Jet Fuel Sprays written by Frank Gabron and published by . This book was released on 1955 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Spanogle
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Development of an Impinging-jet Fuel-injection Valve Nozzle written by J. A. Spanogle and published by . This book was released on 1931 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: During an investigation to determine the possibilities and limitations of a of a two-stroke-cycle engine with fuel injection and spark ignition, it was necessary to develo a fuel-injection valve nozzle to produce a disk-shaped, well-dispersed spray. Preliminary tests showed that two smooth jets impinging upon each other at an angle of 74 degrees gave a spray with the desired characteristics. Nozzles were built on this basis and, when used in fuel-injection valves, produced a spray that fulfilled the original requirements. The spray is so well dispersed that it can be carried along with an air system of comparatively low velocity or entrained with the fuel jet from a round-hole orifice. This characteristic of the spray from an impinging-jet nozzle limits its application to situations where wide dispersion is required by the conditions in the engine cylinder and the combustion chamber.
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (742 download)
Download or read book Spray Characteristics of Impinging Jet Injectors at High Back-Pressure written by and published by . This book was released on 2000 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomization characteristics of an impinging jet injector were studied over a range of injection velocities and back-pressures typical of liquid rocket injectors. Sheet breakup length was measured by strobe light imaging and was found to decrease with increasing injection velocity and chamber pressure. The experimentally measured breakup length was compared to linear stability theory and agreement was found to improve with increasing chamber gas density. At low chamber pressures, disturbances due to impact waves were believed to be the primary breakup mechanism. Measurements of droplet size distribution were made with a combination of laser diffraction and droplet imaging instruments. Droplet size was found to be a highly non-linear function of chamber pressure and axial distance from the impingement point. Sauter mean diameter was found to decrease with increasing chamber pressure and axial distance. Secondary atomization was believed to be the breakup mechanism responsible for this dependence. The width of the droplet size distribution was also found to be a function of chamber pressure.
Author : Russ Washburn
Publisher :
ISBN 13 :
Total Pages : 474 pages
Book Rating : 4.:/5 (287 download)
Download or read book Impinging-jet Spray Characteristics and Correlations written by Russ Washburn and published by . This book was released on 1993 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hampton H. Foster
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (317 download)
Download or read book Spatial Characteristics of Water Spray Formed by Two Impinging Jets at Several Jet Velocities in Quiescent Air written by Hampton H. Foster and published by . This book was released on 1960 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spatial characteristics of a spray formed by two impinging water jets in quiescent air were studied over a range of nominal jet velocities of 30 to 74 feet per second. The total included angle between the 0.089-inch jets was 90 deg. The jet velocity, spray velocity, disappearance of the ligaments just before drop formation, mass distribution, and size and position of the largest drops were measured in a circumferential survey around the point of jet impingement. Photographic techniques were used in the evaluations. The distance from the point of jet impingement to ligament breakup into drops was about 4 inches on the spray axis and about 1.3 inches in the radial position +/-90 deg from the axis. The distance tended to increase slightly with increase in jet velocity. The spray velocity varied from about 99 to about 72 percent of the jet velocity for a change in circumferential position from the spray axis to the +/-80 deg positions. The percentages tended to increase slightly with an increase in jet velocity. Fifty percent of the mass was distributed about the spray axis in an included angle of slightly less than 40 deg. The effect of jet velocity was small. The largest observed drops (2260-micron or 0.090-in. diam.) were found on and about the spray axis. The size of the largest drops decreased for an increase in radial angular position, being about 1860 microns (0.074 in.) at the +/-90 deg positions. The largest drop sizes tended to decrease for an increase in jet velocity, although the velocity effect was small. A drop-size distribution analysis indicated a mass mean drop size equal to 54 percent of an extrapolated maximum drop size.
Author : Marcus F. Heidmann
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (31 download)
Download or read book Effect of Impingement Angle on Drop-size Distribution Abd Spray Pattern of Two Impinging Water Jets written by Marcus F. Heidmann and published by . This book was released on 1961 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sprays produced by two 0.089-inch-diameter jets at impingement angles of 10 to 90 degrees and jet velocities of 30 to 74 feet per second were studied. Drop-size distributions for sprays formed in 100-foot-per-second air are presented. Distributions were bimodal in character, and the effects of test conditions on the bimodal properties are presented. Photographs of the overall spray pattern produced in quiescent air are also shown.
Author : Bluford Moor
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.0/5 ( download)
Download or read book Fuel Injection Studies with Impinging Jet Nozzels written by Bluford Moor and published by . This book was released on 1955 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 626 pages
Book Rating : 4.:/5 (31 download)
Download or read book Technical Note written by and published by . This book was released on with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 1082 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1956 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.F/5 ( download)
Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1936 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marcus F. Heidmann
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fluctuations in a Spray Formed by Two Impinging Jets written by Marcus F. Heidmann and published by . This book was released on 1951 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation of two impinging jets of water showed that the liquid sheet formed on impingement disintegrates intermittently, forming groups of drops, which appear as waves propagating from the point of impingement. The frequency of wave occurrence was determined and the variation in frequency with jet velocity, impingement angle, jet diameter, and jet length was measured. The frequency varied between 1000 and 4000 cycles per second for the test conditions used. Photographs of spray pattern are presented.
Author : Marcus F. Heidmann
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (258 download)
Download or read book A Study of Sprays Formed by Two Impinging Jets written by Marcus F. Heidmann and published by . This book was released on 1957 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spray formed by two impinging liquid jets was investigated over a jet velocity range of 5 to 100 feet per second to determine the characteristics of this method of atomization. At low velocities the spray pattern was a smooth sheet completely surrounded by a liquid rim. As jet velocity increased, the rim separated at the downstream end. As jet velocity increased, the rim separated at the downstream end. In this flow region an alternate spray pattern wit ha rippled sheet and periodic drops can occur. At higher jet velocities a fully developed spray was produced which was characterized by waves of drops. The wave pattern was more distinct with high-viscosity fluids. The frequency of the waves in the fully developed spray increased with increased injection velocity and decreasing impingement angle. Jet diameter and length before impingement had a negligible effect on the wave frequency. Characteristics of single jets were the same as determined by other investigators.
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.
Download or read book Characteristics of Gelled Jet A1 Sprays Formed by Internal Impingement of Micro Air Jets written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Stack
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.F/5 ( download)
Download or read book Tests in the Variable Density Wind Tunnel to Investigate the Effects of Scale and Turbulence on Airfoil Characteristics written by John Stack and published by . This book was released on 1931 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of scale and turbulence on the lift and drag of five airfoils, the N.A.C.A. 0006 , the N.A.C.A. 0021, the Clark Y, The U.S.A 35-A, and the U.S.N. P.S.6, hve been investigated in the Variable Density Wind Tunnel. Tests were made over a wide scale for only two different conditions of turbulence.
Author : United States. National Advisory Committee for Aeronautics
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.3/5 (129 download)
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1949 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gullapalli Sivaramakrishna
Publisher : Springer Nature
ISBN 13 : 9811923787
Total Pages : 633 pages
Book Rating : 4.8/5 (119 download)
Download or read book Proceedings of the National Aerospace Propulsion Conference written by Gullapalli Sivaramakrishna and published by Springer Nature. This book was released on 2022-07-23 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the select proceedings of the 3rd National Aerospace Propulsion Conference (NAPC 2020). It discusses the recent trends in the area of aerospace propulsion technologies covering both air-breathing and non-air-breathing propulsion. The topics covered include state-of-the-art design, analysis and developmental testing of gas turbine engine modules and sub-systems like compressor, combustor, turbine and alternator; advances in spray injection and atomization; aspects of combustion pertinent to all types of propulsion systems and nuances of space, missile and alternative propulsion systems. The book will be a valuable reference for beginners, researchers and professionals interested in aerospace propulsion and allied fields.
