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Saturday, July 11, 2020 | History

2 edition of Mixing in inhomogeneous gas jets found in the catalog.

Mixing in inhomogeneous gas jets

Battelle Memorial Institute.

Mixing in inhomogeneous gas jets

by Battelle Memorial Institute.

  • 176 Want to read
  • 7 Currently reading

Published by Rand Corp. in Santa Monica, Calif .
Written in English

    Subjects:
  • Jet propulsion.

  • Edition Notes

    Other titlesInhomogeneous gas jets.
    Statement[by] W. H. Keagy [and others] February, 1949. R-142.
    ContributionsKeagy, Walter R., Rand Corporation.
    Classifications
    LC ClassificationsAS36 .R3 R-142
    The Physical Object
    Paginationvii, 25 p.
    Number of Pages25
    ID Numbers
    Open LibraryOL6047041M
    LC Control Number49006037
    OCLC/WorldCa3228933

    mixing equipment for fluid processing applications. From the process view of impeller-type equipment, an impeller, usually composed of blades mounted to a central hub and rotated by a drive shaft, pushes and moves the material to be mixed. The mixing action and the process results are primarily a result of this material, usually fluid, motion. J. Stocks, in Encyclopedia of Respiratory Medicine, Gas Mixing Efficiency. Although described many years ago, in the past the MBW technique for assessing gas mixing efficiency or ventilation inhomogeneity was only used intermittently in infants. During recent years, technological advances combined with increasing awareness that conventional measures of airway function may not detect.

    University of Pittsburgh. The principles of micromixing, concepts of single fluid flows, turbulent mixing, hydrodynamics of laminar buoyant jets, and two-phase flows in junctions are only a few of the many topics covered. Literature references and a subject index for each volume are provided.

    The Water Jet Eductor is liquid jet liquid pump. The Water Jet Exhauster is a liquid jet gas pump. It may utilize a spray nozzle or multiple nozzles to improve contact with the suction gas. The Fume Scrubber is a Water Jet air pump, designed for low drafts and large capacity. The Syphon is a Stream Jet liquid pump which requires condensation of the. A gas jet injected into a channel is simulated numerically. The dependence of the mixing efficiency on the injection orifice aspect ratio, jet “screening”, and the ratio of the injected and channel gas densities is established. The mixing efficiency is estimated in terms of the mean concentration across the jet.


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Mixing in inhomogeneous gas jets by Battelle Memorial Institute. Download PDF EPUB FB2

Mixing in Inhomogeneous Gas Jets An analysis of a freely expanding turbulent jet. A comparison is made between theoretical values and preliminary experimental data from jets of helium, nitrogen, and carbon dioxide obtained by micro-sampling and impact pressure by: A critical review of the available high speed mixing experimental database is presented.

Experiments of concern involve measurements of species concentration downstream of sonic or supersonic injection of a light gas into a supersonic air stream.

Several classes of injection are considered including transverse jets, wall slots, and some hybrid Cited by: proposed that turbulent mixing in clouds is either “in-homogeneous” or “extreme inhomogeneous” in na-ture as illustrated in Fig.

During inhomogeneous mixing [Fig. 1b)] cloud droplets experience a range of subsaturations in filaments with different ratios of cloud/environmental air. The net result is a. Second, if the mean plasma velocity of gas A (argon) is of the order of several hundreds to a few km s −1 and the second cold gas B (hydrogen, oxygen) flows radially to A with a velocity by 1 order lower, mixing of species at the distance of several centimeters will be inhomogeneous since the diffusion processes are much slower compared to Cited by: 2.

Mixing in Perspective xxxiv Scope of Mixing Operations xxxvi Residence Time Distributions: Chapter 1 xxxvii Mixing Fundamentals: Chapters 1–5 xxxix Mixing Equipment: Chapters 6, 7, 8, and 21 xxxix Miscible Liquid Blending: Chapters 3, 7, 9, and 16 xl Solid–Liquid Suspension: Chapt 17, and 18 xl Gas–Liquid Contacting: Chapter 11 xli.

Gas Dynamics and Jet Propulsion (For B.E. Mechanical Engineering Students) (As per Anna University Mixing in inhomogeneous gas jets book Leading Universities New Revised Syllabus) Prof. Pandian Dr. on, M.E., Ph.D., Professor - Mechanical Dr. andran, M.E., Ph.D., Professor and Head Department of Mechanical Engineering Sathyabama University Jeppiaar Nagar, Chennai - AIR WALK PUBLICATIONS.

Students can brief up their knowledge to up date information on Agitation and mixing. Mixing Systems, Inc. is a global leader in providing jet mixing systems across many industries and applications.

A unique and key advantage of jet mixing—which operates based on the eductor principle—is that there are no moving or rotating components within the tank that is being mixed, thereby allowing for much easier operation and maintenance (O&M) than other types of mixers or agitators.

Laboratory investigations of jets penetrating into a quiescent fluid of the same density (e.g., Figure ) consistently reveal that the envelope containing the turbu-lence caused by the jet adopts a nearly conical shape.

In other words, the radius R of the jet is proportional to the distance x downstream from the discharge location. Books at Amazon. The Books homepage helps you explore Earth's Biggest Bookstore without ever leaving the comfort of your couch.

Here you'll find current best sellers in books, new releases in books, deals in books, Kindle eBooks, Audible audiobooks, and so much more. Chemically active radicals and fast turbulent mixing in the jets create an explosion that is more energetic than a spark (Lieberman et al.

), allowing rapid ignition of lean mixtures. Further, the penetrating and distributed nature of ignition can overcome mixture non-uniformity.

Nagao, T. Effect of Combustion on Mixing by Opposed Jets 24th ICDERS – July 28–August 2, – Taiwan 2 depending on the duct shape and flow conditions. At J = 4, the two jets do not collide because the jet penetration is weak, and thus, the mixing is not improved. The balances of mixing ratios and segregation intensity: a case study from the field (ECHO ).

Atmospheric Chemistry and Physics Discussions13 (5), DOI: /acpd K. Gosse, M. Gonzalez, P. Paranthoën. Mixing in the three-dimensional wake of an experimental modelled vehicle.

Experimental studies were made of the transition to turbulence in submerged jets and wakes. Both homogeneous (air-air) and inhomogeneous (helium-air) jets were investigated.

The results lead to the hypothesis that two mechanisms are involved in the emergence of fully developed turbulence. Qualitatively new phenomena can occur when perturbations of different scale interact. Many control strategies intended to modify mixing and emissions in gas turbine combustors rely on jets in a crossflow of gas to mix fluids.

One application of this technique is the mixer section in the Rich-burn/Quick-mix/Lean-burn (RQL) combustor that has been proposed to minimize the formation of oxides of nitrogen (NOx) in gas turbine.

Purchase Air Distribution in Rooms - 1st Edition. Print Book & E-Book. ISBNThe mixing of multiple air jets with a subsonic heated crossflow in a constant area duct was studied experimentally.

The jet-to-mainstream momentum flux ratio was varied from 6 to Temperature and pressure surveys were made at several downstream locations for orifice geometries with parametric variation of orifice size and spacing. Among the literature on acoustics the book of Pierce [] is an excellent introduction available for a low price from the Acoustical Society of America.

In the preparation of the lecture notes we consulted various books which cover different aspects of the problem [14, 16, 18, 37, 48, 70, 87, 93, 99,].

Generation of terahertz radiation via nonlinear mixing of laser beams in an inhomogeneous plasma. Author links open overlay panel have proposed a scheme to generate tunable terahertz radiations via tunnel ionization of a gas jet immersed in a magnetic V.K.

TripathiTerahertz generation by nonlinear mixing of laser pulses in a clustered gas. Air/Fuel Mixture Tuning Guidelines. Back in the days of leaded gasoline an experienced tuner would adjust the A/F mixture the engine was getting from its carburetor by reading the color the fuel left on the insulator of the spark plug in the exhaust port and in the first 6 inches of the exhaust header.

1 Thermal Plasma Department, Institute of Plasma Physics, AS CR, v.v.i., Za Slovankou 3, 00 Praha 8, Czechia. 2 Institute of Fluid Science, Tohoku University, Katahira, Aoba-ku, Sendai, Miyagi,Japan. 3 Brno University of Technology, Technická 8, 00 Brno, Czechia. 4 CSIRO Materials Science and Engineering, PO BoxLindfield NSWAustralia.Liquid jet mixing nozzles and tank mixing systems.

Körting liquid jet mixing nozzles are the main components of special mixing systems which can be applied for continuous as well as discontinuous mixing duties. They can be used as complete replacement for mechanical agitators and in many cases they surpass their mixing results.a.

The pressure in the jet is constant. This approximation is appropriate for perfectly expanded supersonic jets, where turbulent mixing is a major noise component.

b. The gas and gas-vapor mixture obey perfect gas law (calorically and thermally perfect). c. The gas constant for the gas and the gas-water vapor mixture is approximately the same. d.