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Author: Shine Jude Hamilton Antony
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659455049
Category :
Languages : en
Pages : 104
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Book Description
Axial fans are extensively used in industries for various applications such as mine ventilation, air conditioning system, heat exchangers, and so forth. In the view of low head produced by an axial flow impeller, drag acquires greater importance in axial flow impellers than that of centrifugal and mixed flow impellers. The axial fan performance strongly linked to aerodynamic properties of the blades, so the main objective is to analyze the fluid flow through an axial fan impeller with aerofoil cross-section. This project work presents the Modeling and CFD (Computational Fluid Dynamics) analysis of 2-D and 3-D flow field through an axial flow fan rotor. The aim of the project is to find the aerodynamic performance and analysis of fluid flow through an axial flow fan. The main purpose of this work is to analyze the nature of fluid flow through an axial flow fan at designed and off designed conditions using turbulence model. Here, k-turbulence model is used for CFD analysis.
Author: Shine Jude Hamilton Antony
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659455049
Category :
Languages : en
Pages : 104
Get Book Here
Book Description
Axial fans are extensively used in industries for various applications such as mine ventilation, air conditioning system, heat exchangers, and so forth. In the view of low head produced by an axial flow impeller, drag acquires greater importance in axial flow impellers than that of centrifugal and mixed flow impellers. The axial fan performance strongly linked to aerodynamic properties of the blades, so the main objective is to analyze the fluid flow through an axial fan impeller with aerofoil cross-section. This project work presents the Modeling and CFD (Computational Fluid Dynamics) analysis of 2-D and 3-D flow field through an axial flow fan rotor. The aim of the project is to find the aerodynamic performance and analysis of fluid flow through an axial flow fan. The main purpose of this work is to analyze the nature of fluid flow through an axial flow fan at designed and off designed conditions using turbulence model. Here, k-turbulence model is used for CFD analysis.
Author: Robin Elder
Publisher: John Wiley & Sons
ISBN: 9781860583537
Category : Science
Languages : en
Pages : 258
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Book Description
In the past Computational Fluid Dynamics (CFD) was confined to large organisations capable of developing and supporting their own codes. But recently there has been a rapid increase in the availability of reasonably priced commercial codes, and many more industrial organisations are now able to routinely use CFD. Advances of CFD in Fluid Machinery Design provide the perfect opportunity to find out what industry is doing and this book addresses how CFD is now being increasingly used in the design process, rather than as a post-design analysis tool. COMPLETE CONTENTS Trends in industrial use of CFD Challenges and methodologies in the design of axial flow fans for high-bypass-ratio, gas turbine engines using steady and unsteady CFD A three-dimensional inverse method based on pressure loading for the design of turbomachinery blades Application of CFD to the design and analysis of axial and centrifugal fans and compressors The design and performance of a transonic flow deswirling system – an application of current CFD design techniques tested against model and full-scale experiments Recent developments in unsteady flow modelling for turbomachinery aeroelasticity Computational investigation of flow in casing treatments for stall delay in axial flow fans Use of CFD for the three-dimensional hydrodynamic design of vertical diffuser pumps Recommendations to designers for CFD pump impeller and diffuser simulations Three dimensional CFD – a possibility to analyse piston pump flow dynamics CFD analysis of screw compressor performance Prediction of aerothermal phenomena in high-speed discstator systems Use of CFD in the design of a shaft seal for high-performance turbomachinery Users and potential users, of CFD for the design of fluid machinery, managers, designers, and researchers working in the field of ‘industrial flows’, will all find Advances of CFD in Fluid Machinery Design a valuable volume discussing state-of-the-art developments in CFD.
Author: Ramesh Dhandapani
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 112
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Book Description
Author: Rama S. Akula
Publisher:
ISBN:
Category : Axial flow
Languages : en
Pages : 152
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Book Description
Author: R. A. Wallis
Publisher: Wiley-Interscience
ISBN:
Category : Science
Languages : en
Pages : 464
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Book Description
Covers the theory, design, analysis, testing, and research of axial flow fans. Contains up-to-date data on recent developments in the field. Interrelates fan and duct design techniques. Discusses commercial and product development test procedures. Covers future experimental research objectives. Includes a reference section on F-series of airfoils.
Author: Károly Jármai
Publisher: Springer
ISBN: 9789811595288
Category : Technology & Engineering
Languages : en
Pages : 558
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Book Description
This book presents the proceedings of the third Vehicle and Automotive Engineering conference, reflecting the outcomes of theoretical and practical studies and outlining future development trends in a broad field of automotive research. The conference’s main themes included design, manufacturing, economic and educational topics.
Author: Guozhao Ji
Publisher: BoD – Books on Demand
ISBN: 1838807497
Category : Computational fluid dynamics
Languages : en
Pages : 250
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Book Description
Fluid flows are encountered in our daily life as well as in engineering industries. Identifying the temporal and spatial distribution of fluid dynamic properties is essential in analyzing the processes related to flows. These properties, such as velocity, turbulence, temperature, pressure, and concentration, play important roles in mass transfer, heat transfer, reaction rate, and force analysis. However, obtaining the analytical solution of these fluid property distributions is technically difficult or impossible. With the technique of finite difference methods or finite element methods, attaining numerical solutions from the partial differential equations of mass, momentum, and energy have become achievable. Therefore, computational fluid dynamics (CFD) has emerged and been widely applied in various fields. This book collects the recent studies that have applied the CFD technique in analyzing several representative processes covering mechanical engineering, chemical engineering, environmental engineering, and thermal engineering.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Reversible axial flow fans are used as emergency ventilation fans to discharge the smoke generated on the probable fires occurring in the underground transportation systems and mines as quickly as possible, without causing any harm to people exposed to it. The fans which are placed in different configurations according to the location of fire must be able to work bi-directionally, namely reversible. Due to this fact, the blade profiles of the fan must possess the same aerodynamic performance while working on either discharge or suction condition of the fan, dictated by direction of the rotation. This manuscript consists of the computation of the aerodynamic performances of symmetrical blade profiles of fully reversible axial fans by computational fluid mechanics (CFD) methods, developing a methodology for the design of reversible axial fans and analysis of the designed fan with CFD methods. The aerodynamic performances of the blade cascades are evaluated using FLUENT 6.0 software for different Reynolds numbers, solidities and angle of attacks of the cascade. The results of these computations are embedded into the developed methodology. Performance analysis of the reversible axial flow fan, which is designed with the developed methodology, is done with CFD techniques.
Author: R. A. Wallis
Publisher: Academic Press
ISBN: 1483274225
Category : Technology & Engineering
Languages : en
Pages : 381
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Book Description
Axial Flow Fans: Design and Practice focuses on the design of axial flow fans and the practices involved in their applications. The manuscript first offers information on the fluid mechanics of ducted fans, boundary layer and skin friction relations, and aerofoil data for blade design. Discussions focus on flow deflection in cascade of aerofoils, pitching moment, lift, surface roughness in turbulent boundary layers, turbulent boundary layers in pressure gradients, laminar skin friction, viscosity and boundary layers, and similarity and non-dimensional numbers. The text then ponders on vortex flows in ducting and fan, ducts, and introduction to fan design methods. The book takes a look at the momentum and blade element considerations on free vortex flow of rotor and rotor losses. Topics include momentum considerations, profile drag, tip clearance losses, optimum conditions in terms of the flow and swirl coefficients, pressure relations and velocity vectors, and thrust and torque gradients. Tail fairing design and associated losses, overall efficiencies, torque, thrust, and power, and the design of fan unit with arbitrary vortex flow are also discussed. The publication is a dependable source of information for engineers and readers interested in the design of axial flow fans and practices involved in their operation.
Author: A. B. McKenzie
Publisher: Ashgate Publishing
ISBN:
Category : Science
Languages : en
Pages : 290
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Book Description
Provides readers with an understanding of aerodynamic design and performance of fans and compressors. The book includes practical emphasis on design problems, experimental facilities and data analysis, together with some design examples and novel concepts.
