Numerical Investigation Of Three Dimensionally Evolving Jets
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Numerical Investigation Of Three Dimensionally Evolving Jets
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Author : James E. Martin
language : en
Publisher:
Release Date : 1991
Numerical Investigation Of Three Dimensionally Evolving Jets written by James E. Martin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Numerical Investigation Of Three Dimensionallly Evolving Jets
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Author : James E. Martin
language : en
Publisher:
Release Date : 1991
Numerical Investigation Of Three Dimensionallly Evolving Jets written by James E. Martin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
A Numerical Investigation Of Three Dimensional Impinging Jets
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Author : Magdi H. Rizk
language : en
Publisher:
Release Date : 1985
A Numerical Investigation Of Three Dimensional Impinging Jets written by Magdi H. Rizk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Progress is reported on the direct numerical simulation complex VTOL flows using the full three-dimensional, time-dependent Navier-Strokes equations. The objective of this numerical simulation is to compute accurately the details of the flow, including the role of initial turbulence in the jet, the influence of forward motion on hover aerodynamics, the collision zone and fountain characteristics, and the jet structure and entrainment process in the transitional flight regime. The unsteady behavior of the jet flow due to forcing at a specific frequency has been investigated. Preliminary results on unsteady single-frequency forcing are presented and a discussion of work in the turbulence aspect of the problem is included. Keywords: Upwash fountain.
An Experimental And Numerical Investigation Of Three Dimensional Jet Flows From Sharp Edged Orifices Microform
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Author : Rainer Rudolf Schwab
language : en
Publisher: National Library of Canada
Release Date : 1986
An Experimental And Numerical Investigation Of Three Dimensional Jet Flows From Sharp Edged Orifices Microform written by Rainer Rudolf Schwab and has been published by National Library of Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Direct And Large Eddy Simulation I
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Author : Peter R. Voke
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Direct And Large Eddy Simulation I written by Peter R. Voke and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
It is a truism that turbulence is an unsolved problem, whether in scientific, engin eering or geophysical terms. It is strange that this remains largely the case even though we now know how to solve directly, with the help of sufficiently large and powerful computers, accurate approximations to the equations that govern tur bulent flows. The problem lies not with our numerical approximations but with the size of the computational task and the complexity of the solutions we gen erate, which match the complexity of real turbulence precisely in so far as the computations mimic the real flows. The fact that we can now solve some turbu lence in this limited sense is nevertheless an enormous step towards the goal of full understanding. Direct and large-eddy simulations are these numerical solutions of turbulence. They reproduce with remarkable fidelity the statistical, structural and dynamical properties of physical turbulent and transitional flows, though since the simula tions are necessarily time-dependent and three-dimensional they demand the most advanced computer resources at our disposal. The numerical techniques vary from accurate spectral methods and high-order finite differences to simple finite-volume algorithms derived on the principle of embedding fundamental conservation prop erties in the numerical operations. Genuine direct simulations resolve all the fluid motions fully, and require the highest practical accuracy in their numerical and temporal discretisation. Such simulations have the virtue of great fidelity when carried out carefully, and repre sent a most powerful tool for investigating the processes of transition to turbulence.
Proceedings Of The 5th International Conference On Jets Wakes And Separated Flows Icjwsf2015
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Author : Antonio Segalini
language : en
Publisher: Springer
Release Date : 2016-07-18
Proceedings Of The 5th International Conference On Jets Wakes And Separated Flows Icjwsf2015 written by Antonio Segalini and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-18 with Technology & Engineering categories.
This volume collects various contributions from the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015) that took place in Stockholm during June 2015. Researchers from all around the world presented their latest results concerning fundamental and applied aspects of fluid dynamics. With its general character, the conference embraced many aspects of fluid dynamics, such as shear flows, multiphase flows and vortex flows, for instance. The structure of the present book reflects the variety of topics treated within the conference i.e. Jets, Wakes, Separated flows, Vehicle aerodynamics, Wall-bounded and confined flows, Noise, Turbomachinery flows, Multiphase and reacting flows, Vortex dynamics, Energy-related flows and a section dedicated to Numerical analyses.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Iutam Symposium On Dynamics Of Slender Vortices
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Author : Egon Krause
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Iutam Symposium On Dynamics Of Slender Vortices written by Egon Krause and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
The decision of the General Assembly of the International Union of Theoretical and Applied Mechanics to organize a Symposium on Dynamics of Slender Vortices was greeted with great enthusiasm. The acceptance of the proposal, forwarded by the Deutsches Komitee fiir Mechanik (DEKOMECH) signalized, that there was a need for discussing the topic chosen in the frame the IUTAM Symposia offer. Also the location of the symposium was suitably chosen: It was decided to hold the symposium at the RWTH Aachen, where, years ago, Theodore von Karman had worked on problems related to those to be discussed now anew. It was clear from the beginning of the planning, that the symposium could only be held in the von Karman-Auditorium ofthe Rheinisch-Westfalische Technische Hochschule Aachen, a building named after him. The symposium was jointly organized by the editors of this volume, strongly supported by the local organizing committee. The invitations of the scientific committee brought together scientists actively engaged in research on the dynamics of slender vortices. It was the aim of the committee to have the state of the art summarized and also to have the latest results of specific problems investigated communicated to the participants of the symposium. The topics chosen were asymptotic theories, numerical methods, vor tices in shear layers, interaction of vortices, vortex breakdown, vortex sound, and aircraft and helicopter vortices.
Manipulation And Control Of Jets In Crossflow
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Author : Ann R. Karagozian
language : en
Publisher: Springer
Release Date : 2014-05-04
Manipulation And Control Of Jets In Crossflow written by Ann R. Karagozian and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-04 with Technology & Engineering categories.
Fundamental Non-Reactive Jets in Crossflow and Other Jet Systems; Background on Modeling, Dynamical Systems, and Control; Reactive Jets in Crossflow and Multiphase Jets; Controlled Jets in Crossflow and Control via Jet Systems;
Direct And Large Eddy Simulation Ii
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Author : Jean-Pierre Chollet
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Direct And Large Eddy Simulation Ii written by Jean-Pierre Chollet and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Progress in the numerical simulation of turbulence has been rapid in the 1990s. New techniques both for the numerical approximation of the Navier-Stokes equations and for the subgrid-scale models used in large-eddy simulation have emerged and are being widely applied for both fundamental and applied engineering studies, along with novel ideas for the performance and use of simulation for compressible, chemically reacting and transitional flows. This collection of papers from the second ERCOFTAC Workshop on Direct and Large-Eddy Simulation, held in Grenoble in September 1996, presents the key research being undertaken in Europe and Japan on these topics. Describing in detail the ambitious use of DNS for fundamental studies and of LES for complex flows of potential and actual engineering importance, this volume will be of interest to all researchers active in the area.