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Author : S. M. Dash
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Simulation of High-speed Jets written by S. M. Dash and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. Viswanathan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Numerical Simulation of the Turbulence Structure of High-speed Jets written by K. Viswanathan and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Venkata-Ramya Pasumarti
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (74 download)
Download or read book Large Eddy Simulation of Heated Pulsed Jets in High Speed Turbulent Crossflow written by Venkata-Ramya Pasumarti and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The jet-in-crossflow problem has been extensively studied, mainly because of its applications in film cooling and injector designs. It has been established that in low-speed flows, pulsing the jet significantly enhances mixing and jet penetration.: This work investigates the effects of pulsing on mixing and jet trajectory in high speed (compressible) flow, using Large Eddy Simulation. Jets with different density ratios, velocity ratios and momentum ratios are pulsed from an injector into a crossflow.
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book Simulation Study of a High-performance Aircraft Including the Effect on Pilot Control of Large Accelerations During Exit and Reentry Flight written by and published by . This book was released on 1958 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raj S. Rangi
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (174 download)
Download or read book Hybrid Computer Simulation of High-speed Jet Aircraft Performance written by Raj S. Rangi and published by . This book was released on 1969 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rainer Friedrich
Publisher : Springer Science & Business Media
ISBN 13 : 1402023138
Total Pages : 652 pages
Book Rating : 4.4/5 (2 download)
Download or read book Direct and Large-Eddy Simulation V written by Rainer Friedrich and published by Springer Science & Business Media. This book was released on 2004-04-30 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fifth ERCOFfAC workshop 'Direct and Large-Eddy Simulation-5' (DLES-5) was held at the Munich University of Technology, August 27-29, 2003. It is part of a series of workshops that originated at the University of Surrey in 1994 with the intention to provide a forum for presentation and dis cussion of recent developments in the field of direct and large-eddy simula tion. Over the years the DLES-series has grown into a major international venue focussed on all aspects of DNS and LES, but also on hybrid methods like RANSILES coupling and detached-eddy simulation designed to provide reliable answers to technical flow problems at reasonable computational cost. DLES-5 was attended by 111 delegates from 15 countries. Its three-day pro gramme covered ten invited lectures and 63 original contributions partially pre sented in parallel sessions. The workshop was financially supported by the fol lowing companies, institutions and organizations: ANSYS Germany GmbH, AUDI AG, BMW Group, ERCOFfAC, FORTVER (Bavarian Research Asso ciation on Combustion), JM BURGERS CENTRE for Fluid Dynamics. Their help is gratefully acknowledged. The present Proceedings contain the written versions of nine invited lectures and fifty-nine selected and reviewed contributions which are organized in four parts: 1 Issues in LES modelling and numerics 2 Laminar-turbulent transition 3 Turbulent flows involving complex physical phenomena 4 Turbulent flows in complex geometries and in technical applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (317 download)
Download or read book High Speed Civil Transport Aircraft Simulation: Reference-H Cycle 1, MATLAB Implementation written by and published by . This book was released on 1999 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Douglas White
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (61 download)
Download or read book High-resolution Numerical Simulation Scheme for Round Jets with and Without Swirl written by Michael Douglas White and published by . This book was released on 2001 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tomohiro Takai
Publisher :
ISBN 13 :
Total Pages : 259 pages
Book Rating : 4.:/5 (678 download)
Download or read book Simulation Based Design for High Speed Sea Lift with Waterjets by High Fidelity Urans Approach written by Tomohiro Takai and published by . This book was released on 2010 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (91 download)
Download or read book High Speed Jet Flows written by and published by . This book was released on 1995 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher :
ISBN 13 : 9781723955945
Total Pages : 82 pages
Book Rating : 4.9/5 (559 download)
Download or read book High Speed Civil Transport Aircraft Simulation written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-09-23 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mathematical model and associated code to simulate a high speed civil transport aircraft - the Boeing Reference H configuration - are described. The simulation was constructed in support of advanced control law research. In addition to providing time histories of the dynamic response, the code includes the capabilities for calculating trim solutions and for generating linear models. The simulation relies on the nonlinear, six-degree-of-freedom equations which govern the motion of a rigid aircraft in atmospheric flight. The 1962 Standard Atmosphere Tables are used along with a turbulence model to simulate the Earth atmosphere. The aircraft model has three parts - an aerodynamic model, an engine model, and a mass model. These models use the data from the Boeing Reference H cycle 1 simulation data base. Models for the actuator dynamics, landing gear, and flight control system are not included in this aircraft model. Dynamic responses generated by the nonlinear simulation are presented and compared with results generated from alternate simulations at Boeing Commercial Aircraft Company and NASA Langley Research Center. Also, dynamic responses generated using linear models are presented and compared with dynamic responses generated using the nonlinear simulation.Sotack, Robert A. and Chowdhry, Rajiv S. and Buttrill, Carey S.Langley Research CenterSUPERSONIC TRANSPORTS; TRANSPORT AIRCRAFT; BOEING AIRCRAFT; CIVIL AVIATION; AIRCRAFT MODELS; MATHEMATICAL MODELS; COMPUTERIZED SIMULATION; ALGORITHMS; AERODYNAMIC CHARACTERISTICS; DYNAMIC RESPONSE; FLIGHT CONTROL; CONTROL SYSTEMS DESIGN; LANDING GEAR; NONLINEAR EQUATIONS; EQUATIONS OF MOTION; UNSTEADY FLOW; STEADY FLOW...
Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (317 download)
Download or read book Taxiing, Take-Off, and Landing Simulation of the High Speed Civil Transport Aircraft written by and published by . This book was released on 1999 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mingbo Sun
Publisher : Springer
ISBN 13 : 9811360251
Total Pages : 284 pages
Book Rating : 4.8/5 (113 download)
Download or read book Jet in Supersonic Crossflow written by Mingbo Sun and published by Springer. This book was released on 2019-02-18 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on research into jets in supersonic crossflow carried out by the authors’ team over the past 15 years, this book summarizes and presents many cutting-edge findings and analyses on this subject. It tackles the complicated mixing process of gas jets and atomization process of liquid jets in supersonic crossflow, and studies their physical mechanisms. Advanced experimental and numerical techniques are applied to further readers’ understanding of atomization, mixing, and combustion of fuel jets in supersonic crossflow, which can promote superior fuel injection design in scramjet engines. The book offers a valuable reference guide for all researchers and engineers working on the design of scramjet engines, and will also benefit graduate students majoring in aeronautical and aerospace engineering.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721012183
Total Pages : 48 pages
Book Rating : 4.0/5 (121 download)
Download or read book Taxiing, Take-Off, and Landing Simulation of the High Speed Civil Transport Aircraft written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-11 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aircraft industry jointly with NASA is studying enabling technologies for higher speed, longer range aircraft configurations. Higher speeds, higher temperatures, and aerodynamics are driving these newer aircraft configurations towards long, slender, flexible fuselages. Aircraft response during ground operations, although often overlooked, is a concern due to the increased fuselage flexibility. This paper discusses modeling and simulation of the High Speed Civil Transport aircraft during taxiing, take-off, and landing. Finite element models of the airframe for various configurations are used and combined with nonlinear landing gear models to provide a simulation tool to study responses to different ground input conditions. A commercial computer simulation program is used to numerically integrate the equations of motion and to compute estimates of the responses using an existing runway profile. Results show aircraft responses exceeding safe acceptable human response levels.Reaves, Mercedes C. and Horta, Lucas G.Langley Research CenterAIRCRAFT PERFORMANCE; COMPUTERIZED SIMULATION; FINITE ELEMENT METHOD; LANDING SIMULATION; SUPERSONIC TRANSPORTS; TAKEOFF; TAXIING; AIRFIELD SURFACE MOVEMENTS; DYNAMIC RESPONSE; MATHEMATICAL MODELS; FLIGHT CHARACTERISTICS; TRANSPORT AIRCRAFT; EQUATIONS OF MOTION; AIRCRAFT LANDING; COMMERCIAL AIRCRAFT; LANDING GEAR; NUMERICAL INTEGRATION; VIBRATION MODE
Author : Richard E. Baker
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.3/5 (243 download)
Download or read book Development of a Dynamic Air Traffic Control Simulator written by Richard E. Baker and published by . This book was released on 1953 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ravichandra Srinivasan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (699 download)
Download or read book Improved Understanding and Control of High-speed Jet Interaction Flows written by Ravichandra Srinivasan and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical study of the flow field generated by injection through diamond-shaped orifices into a high-speed flow is presented in this document. Jet interaction flows have a wide range of applications in the field of engineering. These applications include the use of jets for fuel injection in scramjets, for reaction control of high-speed aerodynamic bodies and as cooling jets for skins of high-speed vehicles. A necessary requirement in the use of transverse jets for these and other applications is a thorough understanding of the physics of the interaction betweenthe jet and freestream. This interaction generates numerous flow structures that include multiple shocks, vortices, recirculation regions and shear layers. This study involves diamond-shaped orifices that have the advantage of generating weaker or attached interaction shocks as compared to circular injectors. These injectors also negate the effects due to the recirculation region that is formed upstream of the injector. This study was undertaken in order to gain further understanding of the flow features generated by diamond-shaped injectors in a high-speed flow. Numerical simulations were performed using two different levels of turbulence models. Reynolds' Averaged Navier-Stokes (RANS) simulations were performed using the GASP flow solver while Detached-Eddy Simulation (DES) runs were performed using the Cobalt flow solver. A total of fifteen diamond injector simulations were performed using the RANS model for a 15° half-angle diamond injector. The fifteen simulations spanned over five different injection angles and three jet total pressures. In addition to these, two circular injector simulations were also performed. In addition, low pressure normal injection through diamond and circular orifices simulations were performed using DES. Results obtained from CFD were compared to available experimental data. The resulting flow structure and the turbulent properties of the flow were examined in detail. The normal injection case through the diamond-shaped orifice at the lowest jet total pressure was defined as the baseline case and is presented in detail. In order to study the effect of different components of the vorticity transport equation, an in-house code was used post-process the results from the RANS runs.
Author : Ganesh Raman
Publisher : Multi-Science Publishing Company
ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.F/5 ( download)
Download or read book Jet Aeroacoustics written by Ganesh Raman and published by Multi-Science Publishing Company. This book was released on 2008 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date survey of airplane noise, this single-volume reference thoroughly addresses the key problems facing aeronautical engineers. By tackling the most important aspects of jet aeroacoustics, including theories of jet noise, the design of jet noise facilities, and how jet noise is measured, this thoroughly researched analysis outlines a plan for first limiting the current distress being vocalized in issues of passenger cabin comfort and protests by those living near airports and later for finding an overall solution to jet noise.
