11.65 Brittorf and Kresta (Trans IchemE, 2003) conducted experiments for solid-liquid mixing in stirred tanks and studied cloud height for solid

suspensions. They recorded the off-bottom clearance and impeller diameter, and measured the core velocity in water. Develop a model to predict the core velocity using data given below.

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2,188 m Heliostat Size 4,375 m 8,750 m Solar Irradiance Hydrogen Production Solar Irradiance Hydrogen Production Solar Irradiance Hydrogen Production 50 200 400 600 1246 0 25 0 20 0.0 100 2 100 4.0 200 4 200 7.5 400 7.5 300 10.5 800 7.5 600 10.5 400 13.5 1,000 9.0 800 13.5 500 16.5 1,025 9.5 900 14.5 1,000 16.0 1,025 16.5