Last edited by Kiran
Tuesday, May 5, 2020 | History

1 edition of Experimental investigation of the starting process of short diffusers for gas dynamic lasers found in the catalog.

Experimental investigation of the starting process of short diffusers for gas dynamic lasers

by Milford Merwin Oudekerk

  • 367 Want to read
  • 33 Currently reading

Published .
Written in English

    Subjects:
  • Aeronautics

  • The Physical Object
    Pagination1 v. (various pagings) ;
    ID Numbers
    Open LibraryOL25389578M

      Back to Carbon Dioxide Lasers Sub-Table of Contents. Types and Excitation of CO2 Lasers Basic Principles of Operation (Portions from: David Crocker.) The physical arrangement of most CO2 lasers is similar to that of any other gas laser: a gas filled tube between a pair of mirrors excited by a DC or RF electrical :// Chemistry Revision Notes - IGCSE 1. IGCSE Complete Chemistry Notes Refined and cleared by KmQ!:D By: Abdulla Al Zaabi 2. Unit 1: States of matter Everything is made of particles. Particles in solid are not free to move around. Liquids and gases can. As particles move they collide with each other and bounce off in all ://

    Search the leading research in optics and photonics applied research from SPIE journals, conference proceedings and presentations, and eBooks Annular diffusers are frequently used in turbomachinery applications to recover the discharge kinetic energy and increase the total-to-static isentropic efficiency. Despite its strong influence on turbomachinery performance, the diffuser is often neglected during the preliminary design. In this context, a one-dimensional flow model for annular diffusers that accounts for the impact of this

    The entrainment of gravity currents advancing over a horizontal bed was studied. A two-dimensional rigid-lid flow model was derived assuming ambient-fluid entrainment to the mixing region being supplied only from the bottom layer of the approaching ://   Materials for optical fiber lasers: A review Applied Physics Reviews 5, ( The discussion presented herein follows an outward path, starting with the trivalent rare earth ions and their spectroscopic properties. The ion then is placed into a host, whose impact on the spectroscopy is reviewed. In short, the process begins with


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Experimental investigation of the starting process of short diffusers for gas dynamic lasers by Milford Merwin Oudekerk Download PDF EPUB FB2

The diffuser section of a Gas Dynamic Laser (GDL) is one of the largest components in the system. The purpose of this investigation was to examine the problem of starting supersonic flow in short diffusers with fixed walls, incorporating various bleed arrangements for boundary layer control (BLC).

A Mach number of 4, ramp angle of 19 degrees diffuser length of inches and a diffuser width .2O/abstract. Experimental investigation of the starting process of short diffusers for gas dynamic ://   foundinthisinvestigation,however,thatnolossofpressurerecovery is suffered when steep ramp angles and thin diffusers are ramps and thin diffusersections wouldserve to minimize boththe   The purpose of this investigation was to examine the problem of starting supersonic flow in short diffusers with fixed walls, incorporating various bleed arrangements for boundary layer control (BLC).

A Mach number of 4, ramp angle of 19 degrees diffuser length of in. and a diffuser width of in. were used throughout this :// Numerical and experimental investigation of heat transfer process in electromagnetically driven flow within a vacuum induction furnace.

At the first time step of the CFD simulation, the starting position was a flat (without any meniscus) free surface of the molten metal The flow-field through gas dynamic laser geometry (GDL), consisting of reservoir, bank of nozzles, cavity and a supersonic diffuser has been studied using commercially available CFD :// JH damage constitutive model in the AUTODYN 2D code is successfully applied to research dynamic fracture process.

Dynamic response and crack propagation under two loadings are agreed well with experimental results. The borehole pressure is much high when decoupling factors (K) is 1, and then linearly decreased with K :// Design methods developed by Annamalai et al. for short cylindrical supersonic exhaust diffusers (SED) show that the inclusion of shock generators further helps in reducing the starting pressure.

The experimental and theoretical study of Puzach [12] described the starting characteristics and steady operation of a supersonic diffuser with In the present work, a second throat ejector using nitrogen as the primary fluid is considered for the creation of a low vacuum in a high-altitude testing facility for large-area-ratio rocket :// Proc.

SPIEIndustrial Laser Applications Symposium (ILAS ), (1 July ); doi: /   A technical report is a formal report designed to convey technical information in a clear and easily accessible format. It is divided into sections which allow different readers to access different levels of information.

This guide explains the commonly accepted format for a technical report Abstract. Rolls are the main deformation tools in rolling mills. They often fail due to cracks, spalling, and wear in the process of service.

This chapter presents the authors’ investigation on laser surface alloying of two different powders (C-B-W-Cr nanopowder and NiCr-Cr 3 C 2 powder) on three different metallic rolls (nodular cast-iron rolls, semisteel rolls, and cast-iron rolls) to   New time scale based k-epsilon model for near-wall turbulence.

Experimental and numerical investigation of turbulent convective heat transfer deterioration of supercritical water in vertical tube. Investigation of Rocket Exhaust Diffusers for Altitude :// TOPICS: Near field, Quantum cascade lasers, Optical engineering, Optical simulations, Sensors, Spectroscopy, Device simulation, Pulsed laser operation, Measurement devices, Staring arrays Investigation of optical current transformer signal processing method based on an improved Kalman algorithm.

Experimental study on microlaser Shock Wave Cavitation Bubble Laser Pulse Energy Laser Induce Breakdown Bubble Dynamic These keywords were added by machine and not by the authors.

This process is experimental and the keywords may be updated as the learning algorithm :// These proceedings collect the papers presented at the 30th International Symposium on Shock Waves (ISSW30), which was held in Tel-Aviv Israel from July 19 to J The Symposium was organized by Ortra Ltd.

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Wei Yu-bing, Design, Exhaust systems, Marine gas turbines, Diffusers, Turbines, Bearings, Dimensions, Engines, Gas turbines, :// Dynamic Simulation of Gas Suspension Calciner (GSC) for Alumina (Pages: ) Investigation of Solutions to Reduce Fluoride Emissions from Anode Butts and Crust Cover Material.

Experimental Investigation of Single Bubble Characteristics in a Cold Model of a AIAA Aerospace Sciences Meeting. 8–12 January Kissimmee, Florida. eISBN: An Experimental Investigation on the Thermal Effects of NS-DBD and AC-DBD Plasma Actuators for Aircraft Icing Mitigation Corona-Glow-Arc Transition in High Pressure He/Ar Microplasma for Diode Pumped Rare Gas Lasers.

Noah B. Latham. The Defense Technical Information Center (DTIC) is the premier repository for research and engineering information for the United States Department of Defense. DTIC's Suite of Services is available to DoD personnel, defense contractors, federal government personnel and contractors and selected ?&sort=-downloads&page=5.

The applications of copper (Cu) and Cu-based nanoparticles, which are based on the earth-abundant and inexpensive copper metal, have generated a great deal of interest in recent years, especially in the field of catalysis.

The possible modification of the chemical and physical properties of these nanoparticles using different synthetic strategies and conditions and/or via postsynthetic   This book contains the papers presented at the 7th International Conference on Compressors and their Systems at City University London in conjunction with the IMECHE.

This conference is the ultimate global forum for reviewing the latest developments and novel approaches in compressor ://