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Author : Budiarso
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (969 download)
Download or read book Interaction of Two Plane Parallel Turbulent Jets written by Budiarso and published by . This book was released on 1995 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. F. Marsters
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (224 download)
Download or read book The Interaction of Two Plane Parallel Jets written by G. F. Marsters and published by . This book was released on 1977 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : I. S. Makarov
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (227 download)
Download or read book MIXING OF INTERSECTING TURBULENT JETS. written by I. S. Makarov and published by . This book was released on 1965 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of experiments are given on parameters of the flow (velocity field, static pressures and temperatures) which is formed by intersection of two parallel plane turbulent jets. (Author).
Author : Wolfgang Rodi
Publisher : Elsevier
ISBN 13 : 0080530958
Total Pages : 1011 pages
Book Rating : 4.0/5 (85 download)
Download or read book Engineering Turbulence Modelling and Experiments 6 written by Wolfgang Rodi and published by Elsevier. This book was released on 2005-05-05 with total page 1011 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the world renowned ERCOFTAC (International Symposium on Engineering Turbulence Modelling and Measurements). The proceedings include papers dealing with the following areas of turbulence: · Eddy-viscosity and second-order RANS models · Direct and large-eddy simulations and deductions for conventional modelling · Measurement and visualization techniques, experimental studies · Turbulence control · Transition and effects of curvature, rotation and buoyancy on turbulence · Aero-acoustics · Heat and mass transfer and chemically reacting flows · Compressible flows, shock phenomena · Two-phase flows · Applications in aerospace engineering, turbomachinery and reciprocating engines, industrial aerodynamics and wind engineering, and selected chemical engineering problems Turbulence remains one of the key issues in tackling engineering flow problems. These problems are solved more and more by CFD analysis, the reliability of which depends strongly on the performance of the turbulence models employed. Successful simulation of turbulence requires the understanding of the complex physical phenomena involved and suitable models for describing the turbulent momentum, heat and mass transfer. For the understanding of turbulence phenomena, experiments are indispensable, but they are equally important for providing data for the development and testing of turbulence models and hence for CFD software validation. As in other fields of Science, in the rapidly developing discipline of turbulence, swift progress can be achieved only by keeping up to date with recent advances all over the world and by exchanging ideas with colleagues active in related fields.
Author : Steven Brian Weeks
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Theoretical and Experimental Investigation of Turbulent Jet Interaction written by Steven Brian Weeks and published by . This book was released on 1969 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of two impinging plane turbulent jets was investigated for the purpose of understanding the performance of proportional fluid amplifiers and momentum-exchange devices. Velocity and turbulence profiles were measured across and at various distances along the combined jet axis through the use of a constant temperature hot-wire anemometer. Experimentally determined jet deflection angles were found to agree with those predicted in a previous work by the free-streamline theory. The results, which are presented in terms of normalized parameters, show that the jet interaction may be divided into three regions: mixing; transition; and fully developed. A vena-contracta effect was found to exist in the mixing region. A discussion of each of the three regions is presented in detail along with generalizations for similar geometries. (Author).
Author : Hyo Seok Lee
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.3/5 (91 download)
Download or read book Experimental Studies on Mixing of Multiple Turbulent Jets in Non-Reacting and Reacting Flows written by Hyo Seok Lee and published by . This book was released on 2007 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ervin Szucs
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (227 download)
Download or read book Interaction of Parallel Turbulent Jets (parhuzamos Turbulens Sugarak Kolcsonhatasa). written by Ervin Szucs and published by . This book was released on 1967 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors use the Reichardt inductive theory to describe the interaction of two turbulent, parallel jets. This theory was resorted to because there is as yet no better theory available. Reichardt maintains, that with the determination of the experimental characteristics of turbulence, it is extremely difficult to compare the deductive theories because of the inevitable dispersion. The equation for the impulse flow density distribution of parallel jets flowing from several nozzles is derived on the basis of the Reichardt hypothesis by using the principles of superposition which, with the empirical determination of the equations for the case of jets of different density and injection velocity, is of general validity. The members in this equation may be obtained from a table. The authors are to report on the experimental data.
Author : N. Rajaratnam
Publisher : Elsevier
ISBN 13 : 0080869963
Total Pages : 315 pages
Book Rating : 4.0/5 (88 download)
Download or read book Turbulent Jets written by N. Rajaratnam and published by Elsevier. This book was released on 1976-01-01 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent Jets
Author : Jean Piquet
Publisher : Springer Science & Business Media
ISBN 13 : 3662035596
Total Pages : 767 pages
Book Rating : 4.6/5 (62 download)
Download or read book Turbulent Flows written by Jean Piquet and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: obtained are still severely limited to low Reynolds numbers (about only one decade better than direct numerical simulations), and the interpretation of such calculations for complex, curved geometries is still unclear. It is evident that a lot of work (and a very significant increase in available computing power) is required before such methods can be adopted in daily's engineering practice. I hope to l"Cport on all these topics in a near future. The book is divided into six chapters, each· chapter in subchapters, sections and subsections. The first part is introduced by Chapter 1 which summarizes the equations of fluid mechanies, it is developed in C~apters 2 to 4 devoted to the construction of turbulence models. What has been called "engineering methods" is considered in Chapter 2 where the Reynolds averaged equations al"C established and the closure problem studied (§1-3). A first detailed study of homogeneous turbulent flows follows (§4). It includes a review of available experimental data and their modeling. The eddy viscosity concept is analyzed in §5 with the l"Csulting ~alar-transport equation models such as the famous K-e model. Reynolds stl"Css models (Chapter 4) require a preliminary consideration of two-point turbulence concepts which are developed in Chapter 3 devoted to homogeneous turbulence. We review the two-point moments of velocity fields and their spectral transforms (§ 1), their general dynamics (§2) with the particular case of homogeneous, isotropie turbulence (§3) whel"C the so-called Kolmogorov's assumptions are discussed at length.
Author : Mohammad Rahman
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Experimental Study on Turbulent Characteristics of Surface Attaching Jets written by Mohammad Rahman and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The characteristics of turbulent jets interacting with a free surface were investigated experimentally. The experiments were performed to quantify the effects of offset height and nozzle geometry on the turbulent characteristics at low Reynolds number (Re = 5500). The offset height ratio of a square jet was varied from 1 to 4. For the nozzle geometry effect, four nozzle configurations including circular, square, rectangular with minor axis oriented parallel to the surface-normal direction, and rectangular with its major axis oriented parallel to the surface-normal direction were tested with a fixed offset height ratio of 2. A particle image velocimetry system was used to perform the velocity measurements. Various quantities were investigated, including instantaneous velocities and turbulent statistics up to the fourth order moment. The jet-surface interaction was examined using mean surface velocity, velocity defect, vorticity thickness and surface turbulence intensities. The turbulent structures in the interaction region were investigated using two-point correlations, joint probability density functions and proper orthogonal decomposition (POD). Turbulent statistics along the free surface revealed that the surface was in the state of stretching and contracting due to the alternating velocity gradient. The straining effect became more severe for shallower jet. For a given offset height ratio, the greatest mean strain at the free surface was produced by the jet issuing in the minor plane of the rectangular nozzle. This nozzle configuration also led to enhancements in the peak values of the surface velocity (about 37%) and turbulence intensities (up to 24%) compared to the circular, square and the jet discharged in the major plane of the rectangular nozzle. The two-point correlations and POD results indicated that the spatial coherence of the velocity fluctuations reduced in the upper shear layer than the lower shear layer. Shorter offset height ratio experienced a slower fractional energy convergence due to a reduction in the structure size under confinement. The re-orientation of the rectangular nozzle to major axis increased the spatial coherence in the interaction region, which led to an about 21% higher fractional energy contribution of the most dominant POD mode (the first mode) compared to the other configurations.
Author : Julio Militzer
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.:/5 (911 download)
Download or read book Dual Plane Parallel Turbulent Jets written by Julio Militzer and published by . This book was released on 1977 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. Suthanthiran
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (29 download)
Download or read book The Interaction of Two Opposing Plane Turbulent Wall Jets written by K. Suthanthiran and published by . This book was released on 1971 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norberto Mangiavacchi
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dynamics of a Turbulent Jet Interacting with a Free Surface written by Norberto Mangiavacchi and published by . This book was released on 1994 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anjaneyulu Krothapalli
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.F/5 ( download)
Download or read book An Experimental Study of Multiple Jet Mixing written by Anjaneyulu Krothapalli and published by . This book was released on 1979 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Julio Militzer
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.:/5 (911 download)
Download or read book Dual Plane Parallel Turbulent Jets written by Julio Militzer and published by . This book was released on 1977 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Experimental Study of Multiple Jet Mixing written by and published by . This book was released on 1979 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
