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1. Describe the basic assumptions of the LSW theory and discuss its results and implication.
2. Consider two separate particles with a radius of r and r2, respectively, in a liquid. Draw schematically the solute distributions in the liquid between the particles for diffusion and reaction-controlled growth, respectively. For reaction-controlled growth, are there any differences between the solute distribution in the LSW theory and those in dissolution-controlled growth and precipitation-controlled growth? Explain.
Consider atmospheric air at 25 degrees Celsius and a velocity at 25 m/s flowing over both surfaces of a 1 meter long flat plate that is maintained at 125 degrees Celsius. Determine the rate of heat transfer per unit width from the plate for values of..
a helicopter gas turbine requires an overall compressor p.r. of 101. this is to be obtained using a two-spool layout
a room at 22 celsius is heated electrically with 1500 w to keep a steady temperature. the outside ambient is at 5
The analysis of a mass basis of an ideal gas mixture at 50 F, 25 lbf/in2. is 60% CO2, 25% SO2, and 15% N2. The analysis in terms of mole fractions. Determine: The apparent molecular weight of the mixture. The partial pressure of each component in lbf..
A closed rigid container is charged with propane, C3 H6, and 150% theoretical air at 100 kPa, 298 K. The mixture is ignited and burns with complete combustion. Heat is transferred to a reservoir at 500 K so the final temperature of the products is..
during a constant pressure process 10 kg of refrigerant 134a at 4degrees c and 10 bars expand to a volume of 0.1 m3.a
Browse through the text and appendices to find three different symbols that are used to represent more than one fluid or flow property in this text and list the multiple properties that correspond to each symbol. Select one of these symbols and de..
Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2
a steel thermal diffusivity 0.00001172 k43 cylinder 10 cm in diameter and 10 cm long is initially at 300degc. it is
Determine the overall heat transfer coefficient, the cooling water outlet temperature, and the steam condensation rate. With all other conditions remaining the same, but accounting for changes in the overall coefficient, plot the cooling water outl..
A tunnel of square cross section, 8 m × 8 m, has a weight (above water) of 50 ton per meter length. The tunnel is being floated to its destination, with its two ends closed by temporary sheets. Calculate the draught (the depth of the bottom below ..
The tank is a cylinder with diameter equal to its height; it is insulated with a 15-cm-thick fiberglass batt.
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