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Fluctuations In A Spray Formed By Two Impinging Jets
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Book Synopsis Fluctuations in a Spray Formed by Two Impinging Jets by : Marcus F. Heidmann
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.
Book Synopsis Spatial Characteristics of Water Spray Formed by Two Impinging Jets at Several Jet Velocities in Quiescent Air by : Hampton H. Foster
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 38 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.
Book Synopsis Fluctuations in a Spray Formed by Two Impingin Jets by : Marcus F. Heidmann
Download or read book Fluctuations in a Spray Formed by Two Impingin Jets written by Marcus F. Heidmann and published by . This book was released on 1951 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Sprays Formed by Two Impinging Jets by : Marcus F. Heidmann
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.
Book Synopsis Effect of Impingement Angle on Drop-size Distribution Abd Spray Pattern of Two Impinging Water Jets by : Marcus F. Heidmann
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.
Book Synopsis Experimental Characterization of the Spray Formed by Two Impinging Jets in Liquid Rocket Injector by : F. Brault
Download or read book Experimental Characterization of the Spray Formed by Two Impinging Jets in Liquid Rocket Injector written by F. Brault and published by . This book was released on 1985 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
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 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
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 1952 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1949 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tabulation of Mass-flow Parameters for Use in Design of Turbomachine Blade Rows for Ratios of Specific Heats of 1.3 and 1.4 by : Warren J. Whitney
Download or read book Tabulation of Mass-flow Parameters for Use in Design of Turbomachine Blade Rows for Ratios of Specific Heats of 1.3 and 1.4 written by Warren J. Whitney and published by . This book was released on 1956 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass-flow tables for ratios of specific heats of 1.3 and 1.4 are presented for the entire range of critical velocity ratio. The tables enable a quick and accurate determination of the integrated average specific mass flow across a region where the end-point velocities are known, commensurate with the assumptions that the total state is constant and the static pressure varies linearly between the two velocities. A numerical example is included to illustrate the use of the tables. All quantities are in nondimensional form and are tabulated sgainst critical velocity ratio. The tables include specific-mass-flow parameter and ratio of static to total pressure.
Book Synopsis Annual Report by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1953 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by and published by . This book was released on 1945 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1935 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report of the National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report of the National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1954 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis Heat and Fluid Flow in Power System Components by : A. M. A. Rezk
Download or read book Heat and Fluid Flow in Power System Components written by A. M. A. Rezk and published by Elsevier. This book was released on 2013-10-22 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat and Fluid Flow in Power System Components is a collection of papers presented at the Second Conference on Mechanical Power Engineering held in Cairo, Egypt in September 1978. This volume covers a wide range of topics relating to heat and fluid flow in power system components, including film cooling, droplet evaporation, and laminar flames. Practical applications such as furnaces, heat exchanges, pumps, and turbines are also discussed. Results of investigations carried out experimentally, by computation, and both computation and experimentation techniques are presented. This book is comprised of 21 chapters and begins with an analysis of heat transfer in power elements, including evaporation of surface liquid droplet in an air stream. The thermal conductivity of granular materials is also examined. The following chapters explore reactive and non-reactive flows, paying particular attention to helium two-phase instabilities; air flow around hyperbolic cooling towers; pulsating flow in axial turbines; laminar flame propagation in tubes; and characteristics of combustion heat liberated downstream of circular bluff bodies. The final chapter is devoted to an experimental and theoretical investigation of the reversed flow furnace. This monograph will be of interest to chemical and mechanical engineers as well as researchers concerned with the design, development, and optimum modes of operations of power systems and their components.
Book Synopsis List of Technical Notes, 1947-1953 by : United States. National Advisory Committee for Aeronautics
Download or read book List of Technical Notes, 1947-1953 written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1954 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Technical Reports by :
Download or read book Bibliography of Technical Reports written by and published by . This book was released on 1951 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
