Experimental And Numerical Investigation Of Flow And Heat Transfer In A Ribbed Square Duct

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Experimental and Numerical Investigation of Flow and Heat Transfer in a Ribbed Square Duct

Author :
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis Experimental and Numerical Investigation of Flow and Heat Transfer in a Ribbed Square Duct by :

Download or read book Experimental and Numerical Investigation of Flow and Heat Transfer in a Ribbed Square Duct written by and published by . This book was released on 2007 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present contribution describes the methodology and results of an experimental/numerical research program progressing at the von Karman Institute about the investigation of flow and heat transfer in a square section stationary duct equipped with high blockage ribs on one face. This geometry is representative of a high pressure turbine blade cooling channel. The purpose is to highlight the interaction and the synergy between experimental and simulation approaches. The paper shows how the experimental results lead to a conceptual model of the behavior and the topology of this flow. A numerical prediction of the flow over a single rib, obtained from a Large-Eddy Simulation, is able to validate this model, to provide additional information eventually not accessible by the experiments and to put in evidence the underlying structures driving the process. Simulations of a multi-rib domain put in evidence the possible existence of flow structures longer than one rib-pitch length and suggest possible avenues of futures experimental/numerical campaigns to gain a full understanding of this class of flows.

Experimental and Numerical Investigation of Heat and Fluid Flow in a Square Duct Featuring Criss-cross Rib Patterns

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Experimental and Numerical Investigation of Heat and Fluid Flow in a Square Duct Featuring Criss-cross Rib Patterns by :

Download or read book Experimental and Numerical Investigation of Heat and Fluid Flow in a Square Duct Featuring Criss-cross Rib Patterns written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental and Numerical Investigation of Flow Past Ribs in a Channel

Author : Edmund Burke Treidler
Publisher :
ISBN 13 :
Total Pages : 1082 pages
Book Rating : 4.:/5 (33 download)

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Book Synopsis An Experimental and Numerical Investigation of Flow Past Ribs in a Channel by : Edmund Burke Treidler

Download or read book An Experimental and Numerical Investigation of Flow Past Ribs in a Channel written by Edmund Burke Treidler and published by . This book was released on 1991 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental and Numerical Investigation of Fluid Flow and Heat Transfer Through a Curved Passage of High Aspect Ratio

Author : Jerome Ellepola
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (969 download)

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Book Synopsis An Experimental and Numerical Investigation of Fluid Flow and Heat Transfer Through a Curved Passage of High Aspect Ratio by : Jerome Ellepola

Download or read book An Experimental and Numerical Investigation of Fluid Flow and Heat Transfer Through a Curved Passage of High Aspect Ratio written by Jerome Ellepola and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental and Numerical Investigation of Steady, Supersonic, Turbulent Flow Through a Square Duct

Author : David O. Davis
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Experimental and Numerical Investigation of Steady, Supersonic, Turbulent Flow Through a Square Duct by : David O. Davis

Download or read book Experimental and Numerical Investigation of Steady, Supersonic, Turbulent Flow Through a Square Duct written by David O. Davis and published by . This book was released on 1985 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gas Turbine Heat Transfer and Cooling Technology, Second Edition

Author : Je-Chin Han
Publisher : CRC Press
ISBN 13 : 1439855684
Total Pages : 892 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Gas Turbine Heat Transfer and Cooling Technology, Second Edition by : Je-Chin Han

Download or read book Gas Turbine Heat Transfer and Cooling Technology, Second Edition written by Je-Chin Han and published by CRC Press. This book was released on 2012-11-27 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference for engineers and researchers, Gas Turbine Heat Transfer and Cooling Technology, Second Edition has been completely revised and updated to reflect advances in the field made during the past ten years. The second edition retains the format that made the first edition so popular and adds new information mainly based on selected published papers in the open literature. See What’s New in the Second Edition: State-of-the-art cooling technologies such as advanced turbine blade film cooling and internal cooling Modern experimental methods for gas turbine heat transfer and cooling research Advanced computational models for gas turbine heat transfer and cooling performance predictions Suggestions for future research in this critical technology The book discusses the need for turbine cooling, gas turbine heat-transfer problems, and cooling methodology and covers turbine rotor and stator heat-transfer issues, including endwall and blade tip regions under engine conditions, as well as under simulated engine conditions. It then examines turbine rotor and stator blade film cooling and discusses the unsteady high free-stream turbulence effect on simulated cascade airfoils. From here, the book explores impingement cooling, rib-turbulent cooling, pin-fin cooling, and compound and new cooling techniques. It also highlights the effect of rotation on rotor coolant passage heat transfer. Coverage of experimental methods includes heat-transfer and mass-transfer techniques, liquid crystal thermography, optical techniques, as well as flow and thermal measurement techniques. The book concludes with discussions of governing equations and turbulence models and their applications for predicting turbine blade heat transfer and film cooling, and turbine blade internal cooling.

International Joint Conference SOCO’13-CISIS’13-ICEUTE’13

Author : Álvaro Herrero
Publisher : Springer Science & Business Media
ISBN 13 : 331901854X
Total Pages : 761 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis International Joint Conference SOCO’13-CISIS’13-ICEUTE’13 by : Álvaro Herrero

Download or read book International Joint Conference SOCO’13-CISIS’13-ICEUTE’13 written by Álvaro Herrero and published by Springer Science & Business Media. This book was released on 2013-08-13 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Advances in Intelligent and Soft Computing contains accepted papers presented at SOCO 2013, CISIS 2013 and ICEUTE 2013, all conferences held in the beautiful and historic city of Salamanca (Spain), in September 2013. Soft computing represents a collection or set of computational techniques in machine learning, computer science and some engineering disciplines, which investigate, simulate, and analyze very complex issues and phenomena. After a through peer-review process, the 8th SOCO 2013 International Program Committee selected 40 papers which are published in these conference proceedings, and represents an acceptance rate of 41%. In this relevant edition a special emphasis was put on the organization of special sessions. Four special sessions were organized related to relevant topics as: Systems, Man, and Cybernetics, Data Mining for Industrial and Environmental Applications, Soft Computing Methods in Bioinformatics, and Soft Computing Methods, Modelling and Simulation in Electrical Engineer. The aim of the 6th CISIS 2013 conference is to offer a meeting opportunity for academic and industry-related researchers belonging to the various, vast communities of Computational Intelligence, Information Security, and Data Mining. The need for intelligent, flexible behaviour by large, complex systems, especially in mission-critical domains, is intended to be the catalyst and the aggregation stimulus for the overall event. After a through peer-review process, the CISIS 2013 International Program Committee selected 23 papers which are published in these conference proceedings achieving an acceptance rate of 39%. In the case of 4th ICEUTE 2013, the International Program Committee selected 11 papers which are published in these conference proceedings. The selection of papers was extremely rigorous in order to maintain the high quality of the conference and we would like to thank the members of the Program Committees for their hard work in the reviewing process. This is a crucial process to the creation of a high standard conference and the SOCO, CISIS and ICEUTE conferences would not exist without their help.

Numerical Investigation of Turbulent Fluid Flow and Heat Transfer in Complex Ducts

Author : Masoud Rokni
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (186 download)

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Book Synopsis Numerical Investigation of Turbulent Fluid Flow and Heat Transfer in Complex Ducts by : Masoud Rokni

Download or read book Numerical Investigation of Turbulent Fluid Flow and Heat Transfer in Complex Ducts written by Masoud Rokni and published by . This book was released on 1998 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Heat Transfer

Author :
Publisher : Elsevier
ISBN 13 : 0443157898
Total Pages : 306 pages
Book Rating : 4.4/5 (431 download)

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Book Synopsis Advances in Heat Transfer by :

Download or read book Advances in Heat Transfer written by and published by Elsevier. This book was released on 2023-05-25 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Heat Transfer, Volume 55, the newest release in this series, highlights advances in the field with this new volume presenting interesting chapters written by an international board of authors. Topics discussed in this release include Mesoscopic Scale Simulations of Heat Transport in Porous Structures, Advancements in Single-Phase Enhanced Heat Transfer in Microchannels, and more. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Advances in Heat Transfer series

Recent Advances in Mechanical Engineering

Author : K.M. Pandey
Publisher : Springer Nature
ISBN 13 : 9811577110
Total Pages : 949 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Recent Advances in Mechanical Engineering by : K.M. Pandey

Download or read book Recent Advances in Mechanical Engineering written by K.M. Pandey and published by Springer Nature. This book was released on 2021-01-10 with total page 949 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the select proceedings of the International Conference on Recent Advancements in Mechanical Engineering (ICRAME 2020). It provides a comprehensive overview of the various technical challenges faced, their systematic investigation, contemporary developments, and future perspectives in the domain of mechanical engineering. The book covers a wide array of topics including fluid flow techniques, compressible flows, waste management and waste disposal, bio-fuels, renewable energy, cryogenic applications, computing in applied mechanics, product design, dynamics and control of structures, fracture and failure mechanics, solid mechanics, finite element analysis, tribology, nano-mechanics and MEMS, robotics, supply chain management and logistics, intelligent manufacturing system, rapid prototyping and reverse engineering, quality control and reliability, conventional and non-conventional machining, and ergonomics. This book can be useful for students and researchers interested in mechanical engineering and its allied fields.

Direct Numerical Simulation of Turbulent Flow and Heat Transfer in a Square Duct Roughened with Transverse Or V-shaped Ribs

Author : Seyyed Vahid Mahmoodi Jezeh
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)

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Book Synopsis Direct Numerical Simulation of Turbulent Flow and Heat Transfer in a Square Duct Roughened with Transverse Or V-shaped Ribs by : Seyyed Vahid Mahmoodi Jezeh

Download or read book Direct Numerical Simulation of Turbulent Flow and Heat Transfer in a Square Duct Roughened with Transverse Or V-shaped Ribs written by Seyyed Vahid Mahmoodi Jezeh and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This integrated thesis documents a series of complementary numerical investigations aimed at an improved understanding of turbulent flows and heat transfer in a square duct with ribs of different shapes mounted on one wall. Direct numerical simulation (DNS) is used to accurately resolve the spatial and temporal scales of the simulated flows. The first DNS investigates the turbulent flow in a ribbed square duct of different blockage ratios. The results are compared with those of a smooth duct flow. It is observed that an augmentation of the blockage ratio concurrently generates stronger turbulent secondary flow motions, which drastically alter the turbulent transport processes between the sidewall and duct center, giving rise to high-degrees of non-equilibrium states. The dynamics of coherent structures are studied by examining characteristics of the instantaneous velocity field, swirling strength, spatial two-point auto-correlations, and velocity spectra. The impact of the blockage ratio on the turbulent heat transfer is investigated in the second numerical study. The results show that owing to the existence of the ribs and confinement of the duct, organized secondary flows appear as large streamwise-elongated vortices, which have profound influences on the transport of momentum and thermal energy. This study also shows that the spatial distribution and magnitude of the drag and heat transfer coefficients are highly sensitive to the rib height. The final study focuses on a comparison of highly-disturbed turbulent flows in a square duct with inclined and V-shaped ribs mounted on one wall. The turbulence field is highly sensitive to not only the rib geometry but also the boundary layers developed over the side and top walls. Owing to the difference in the pattern of the cross-stream secondary flow motions of these two ribbed duct cases, the flow physics in the inclined rib case is significantly different from the V-shaped rib case. It is found that near the leeward and windward faces of the ribs, the mean inclination angle of turbulence structures in the V-shaped rib case is greater than that of the inclined rib case, which subsequently enhances momentum transport between the ribbed bottom wall and the smooth top wall.

An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90 [degree] Bend

Author : Faustin Alloise Ondore
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (111 download)

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Book Synopsis An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90 [degree] Bend by : Faustin Alloise Ondore

Download or read book An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90 [degree] Bend written by Faustin Alloise Ondore and published by . This book was released on 1999 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied mechanics reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Numerical Study of Turbulent Flow and Heat Transfer in a Ribbed Duct with Two Equation Turbulence Models

Author : Sandip Dutta
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (285 download)

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Book Synopsis A Numerical Study of Turbulent Flow and Heat Transfer in a Ribbed Duct with Two Equation Turbulence Models by : Sandip Dutta

Download or read book A Numerical Study of Turbulent Flow and Heat Transfer in a Ribbed Duct with Two Equation Turbulence Models written by Sandip Dutta and published by . This book was released on 1992 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90deg Bend

Author : Faustin Alloise Ondore
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (594 download)

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Book Synopsis An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90deg Bend by : Faustin Alloise Ondore

Download or read book An Experimental and Numerical Investigation of Turbulent Flows in a Square Duct with 90deg Bend written by Faustin Alloise Ondore and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental and Numerical Investigation of Impinging Jet Flow in Square Ducts Intersecting at 90 Degrees

Author : David Corson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)

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Book Synopsis Experimental and Numerical Investigation of Impinging Jet Flow in Square Ducts Intersecting at 90 Degrees by : David Corson

Download or read book Experimental and Numerical Investigation of Impinging Jet Flow in Square Ducts Intersecting at 90 Degrees written by David Corson and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental and numerical investigation has been conducted on flow through two square ducts with a 2:1 hydraulic diameter ratio joined at a right angle. Measurements of the velocity field were acquired using a laser Doppler velocimeter at various planar locations throughout the ducts at a nominal Reynolds number of 68,000. Pressure drop measurements were taken for 3 Reynolds numbers between 46,000 and 93,000. Computational fluid dynamics (CFD) analyses were performed using STAR-CD to determine how well the experimental data could be predicted using the k-{var_epsilon}, k-{var_epsilon} RNG, k-{var_epsilon}Chen, k-{var_epsilon} quadratic, k-{omega}, and Spalart-Allmaras models. The results show that there are distinct differences in the CDF results. The standard k-{var_epsilon} model overpredicted the loss coefficient by 4% and underpredicted the exit swirl magnitude by 43%. The best predictor of the swirl decay was found to be the k-{omega} model, which adequately followed the data throughout the entire geometry and underpredicted the exit swirl by 16%. The best overall model was found to be Spalart-Allmaras, which overpredicted the loss coefficient by 2% and underpredicted the exit swirl magnitude by 40%.

Introduction to Heat Transfer

Author : Bengt Sundén
Publisher : WIT Press
ISBN 13 : 1845646568
Total Pages : 365 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Introduction to Heat Transfer by : Bengt Sundén

Download or read book Introduction to Heat Transfer written by Bengt Sundén and published by WIT Press. This book was released on 2012 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting the basic mechanisms for transfer of heat, this book gives a deeper and more comprehensive view than existing titles on the subject. Derivation and presentation of analytical and empirical methods are provided for calculation of heat transfer rates and temperature fields as well as pressure drop. The book covers thermal conduction, forced and natural laminar and turbulent convective heat transfer, thermal radiation including participating media, condensation, evaporation and heat exchangers. This book is aimed to be used in both undergraduate and graduate courses in heat transfer and thermal engineering. It can successfully be used in R & D work and thermal engineering design in industry and by consultancy firms