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In a test on the vaporization of H20 into air in a wetted-wall column, the following data were obtained: Tube diameter, 1.46 cm, Wetted-tube length, 82.7 cm Air rate to tube at 24oC and 1 atm, 720 cm3/s Temperature of inlet water, 25.15oC, Temperature of outlet water, 25.3SoC Partial pressure of water in inlet air, 6.27 ton; and in outlet air, 20.1 torr The value for the diffusivity of water vapor in air is 0.22 cm2/s at 0°C and 1 atm. The mass velocity of air is taken relative to the pipe wall. Calculate:
(a) Rate of mass transfer of water into the air
(b) KG for the wetted-wall column
The recovery of each main component in each product is to be 98%. For example, 98% of the propane in the feed stream is to appear in the propane-rich product, and 98% of the combined pentanes in the feed stream is to appear in the bottoms product ..
Identify all recycle loops, tear streams for these loops, and a calculation sequence.
Current transformer with air core. Calculate the induced voltage in an air-filled, uniformly wound toroidal coil of n turns and cross sectional area as shown in Figure 10.51. The central wire is very long and carries a current 1(t) = I0 sin ωt.
Table: contains six-month average price data for styrene and its feedstock's ethylene and benzene for South Korea over the period Jan. 1999 to Dec. 2010. Calculate the gross margin
Now the capacitor is cut in two as shown in Figure 6.47h. Calculate the capacitance of one of the two smaller capacitors thus created. Is the sum of the capacitance of the two halves in Figure 6.47h equal to the capacitance of the whole capacitor ..
The white precipitate remaining on the filter paper was readily soluble in ammonia solution. What two ions could have been present in the unknown?
A mixture of 25% ammonia gas and 75 % air ( dry basis) is passed upward through a vertical scrubbing tower , to the top of which water is pumped. Scrubbed gas containing 0.5 % ammonia leaves the top of the tower, and an aqueou..
The opposite surface of a slab A and B are maintained at 100 degree and 70 degree respectively ,if the steel plate measures 10cm thick estimate the heat transfer rate across the slab and the temperature recorded by a ther mocouple embedded 3cm fro..
Write down all the appropriate velocity boundary conditions for the flow around the bubble - Determine an appropriate form for the stream function.
Determine the d-spacing (Å), to 3 decimal places
Calculate the magnetic field intensity in the gaps of Example 9.18 for finite permeability of iron. Assume the relative permeability of iron is μr.
Component Mass in Final State, Please solve specific problem below rather than providing examples. A rigid vessel having a volume of 0.028m^3 initially contains a mixture at 21 degrees Celsius and 100 kPa consisting of 79% Nitrogen
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