Find general expression for dependence on other variables
The power P required to drive a fan is believed to depend on density p, flow rate Q, impeller dia. D, and angular veloctiy w in Hz. Determine by dimensional analysis, the general expression for dependence of P on other variables.
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An axial flow compressor stage has blade root,mean and tip velocities of 150,200 and 250 m/s. The stage is to be designed for a stagnation temperature rise of 20K and axial velocity of 150 m/s, both constant from root to tip.
A particular coal has the following mass analysis: inert ash, 10 percent; nitrogen, 2 percent; oxygen, 12 percent; sulfur 1 percent; hydrogen 5 percent; and, carbon, 70 percent. For complete combustion with 120 percent theoretical air.
Make a plot showing the original function and the sum of the terms up to n = 5 in each series. Comment on the similarities and differences between the two series.
Someone is interested in studying property tax rates in the United States. He randomly selects 25 homes and looks up their property tax rate. He is interested in studying the center, shape and spread of the data. What type of graph does he make?
The power P required to drive a fan is believed to depend on density p, flow rate Q, impeller dia. D, and angular veloctiy w in Hz.
A conducting sheet carries a surface current density of K (Amperes/meter). There are no other currents in the vicinity. a-) Find magnitude of B close to the sheet
Determine the temperature distribution along the fin and the total heat transfer rate from the fin to the surroundings. State any assumptions you make clearly.
From 1975 to 1986, the General Social Survey asked its participants if they favored or opposed capital punishment. A least squares regression line was calculated to predict the percent that favored the death penalty based on the year. The least sq
If the pressure distribution on the front of the disk is of the form p(r) = 2.5 - 10r2 kN/m2, find the drag contribution on the front side.
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