Flow Visualization describes the most widely used methods for visualizing flows. Flow visualization evaluates certain properties of a flow field directly accessible to visual perception.
Organized into five chapters, this book first presents the methods that create a visible flow pattern that could be investigated by visual inspection, such as simple dye and density-sensitive visualization methods. It then deals with the application of electron beams and streaming birefringence. Optical methods for compressible flows, hydraulic analogy, and high-speed photography are discussed in other chapters. With appropriate flow pictures, this book tries to distinguish the various methods and the range of their applicability by outlining the physical principles on which each method is based.
Chapter 3 Optical Methods for Compressible Flows
Chapter 4 FlowField Marking by Heat and Energy Addition
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applied axis beam splitter birefringent bubbles camera cathode color component compressible ﬂow constant deﬂection angle density gradient described diameter disturbance electric electron equation exposure ﬁeld of view ﬁlament lines ﬁlm ﬁnite ﬁrst ﬂow direction ﬂow ﬁeld ﬂow pattern ﬂow velocity ﬂuctuations ﬂuid ﬂuid ﬂow focal frequency fringe shift fringe width function gas density gas ﬂow Gladstone—Dale high-speed hologram holographic hydraulic analogy illumination interference fringes interferograms knife edge laser lens lift force light beam light intensity light rays light source Mach Mach—Zehnder mean ﬂow measure method modiﬁcation molecules motion observed obtained optical path lengths parallel photographic plate pulse quantitative radiation recording plane refractive index rotating scattered schlieren system shadowgraph shear shearing interferometer shock wave smoke solution spark speed streamlines supersonic surface technique tellurium temperature test ﬁeld test model test object test section tion tracer particles turbulent vector vortex wavelength wind tunnel wire Wollaston prism