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  3. this is from microfluidics answer thevwhole question fully...

Question: this is from microfluidics answer thevwhole question fully...

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Question 3 [15 Marks in Total] Explain the following: a) what is mcant by correlation depth in microPIV? [3 Marks) b) Describe the difference between Micro Particle Image Velocimetry and Molecular Tagging (3 Marks) Velocimetry in terms of hardware, illumination sources and processing of data. c) what effect does Brownian motion have on a microPIV measurement? (3 Marks) d) A microPIV experiment is performed recording a region with a depth of correlation of 2 microns, and a time interval between image pairs of 20 ms. The particles used are 500nm in size, and the test is performed at room temperature (20 °C). Discuss the likelihood of tracer particles blurring the correlation peak by diffusing in or out of the recording region during the acquisition of image pairs (provide quantitative data to support your argument) l6 Marks] NOTE: kBT 6D παμ where kB Is the Boltzman constant (1 .38-10 23 mi2 kg ski), T temperature, D the diffusivity, a the particle radius, and μ the viscosity The properties of dionized water are as follows: density 1000 kg/im. viscosity8.9x10 Pa s

this is from microfluidics answer thevwhole question fully...

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