LDA Application Methods [electronic resource] : Laser Doppler Anemometry for Fluid Dynamics / by Zhengji Zhang.Material type: TextLanguage: English Series: Experimental Fluid Mechanics: Publisher: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2010Description: XVI, 272 p. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9783642135149Subject(s): Engineering | Chemical engineering | Hydraulic engineering | Engineering | Engineering Fluid Dynamics | Fluid- and Aerodynamics | Industrial Chemistry/Chemical Engineering | Measurement Science and InstrumentationAdditional physical formats: Printed edition:: No titleDDC classification: 620.1064 LOC classification: TA357-359Online resources: Click here to access online
Specifications of Engineering Turbulent Flows -- LDA Principles and Laser Optics -- LDA Systems -- Basic Data Processing Methods in LDA Measurements -- Linear Transformation of Velocities and Turbulent Stresses -- Tracer Particles and Particle Motion Equations -- Zero Correlation Method (ZCM) -- Dual Measurement Method (DMM) -- Symmetrical Method of 3D-Velocity Measurements -- Non-stationary Turbulent Flows -- Turbulent Flow with Spatial Velocity Gradient -- Flow Measurements Behind the Plane Window: On-axis -- Flow Measurements Behind the Plane Window: Off-axis -- Flow Measurements in Circular Pipes -- Fringe Distortion Effects -- Velocity Bias Effects -- LDA Application Examples.
This technical book considers the application aspect of LDA techniques. Starting from the basic theories that are crucial for LDA users, the main subject of the book is focused on diverse application methods. It deals in reality with universal methodical techniques which are directly related to the practical flow measurements and have been mostly developed in the last 15 years. The book thus gives to the first time an application reference for LDA users in improving the optical conditions and enhancing the measurement accuracies. It also provides the guidelines for simplifying the measurements and correcting measurement errors as well as for extending the application areas of LDA techniques. Besides the treatments of some traditional optical and flow mechanical features influencing the measurement accuracies, the book shows a broad spectrum of LDA application methods in the manner of measuring the flow turbulence, resolving the secondary flow structures, quantifying the optical aberrations at measurements of internal flows etc.. Thus it also supports the further developments of both the hard- and software of LDA instrumentations.
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