Consider an isothermal flat plate placed in a horizontal flow field. The plate is 1.5m long (in the flow direction) and it is ke
pt at a constant temperature of Ts=100 °C. The working fluid in this thermal field is carbon dioxide. The gas approaches the flat plate at an average velocity of 2.2 m/s and temperature of Tw=200 °C. The ambient pressure is 1 atm. The hot carbon dioxide gas is cooled by the plate as it flows over its top and bottom surfaces. Determine the following parameters (show all work):
i) Local convection heat transfer coefficient at locations 0.5m, 1m and 1.5m from the leading edge of the plate;
ii) Average convection heat transfer coefficient over the entire plate;
iii) Total heat flux transferred into the plate through both surfaces.
i) Local convection heat transfer coefficient at locations 0.5m, 1m and 1.5m from the leading edge of the plate;
ii) Average convection heat transfer coefficient over the entire plate;
iii) Total heat flux transferred into the plate through both surfaces.
1 answer:
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Answer:
number of pulses produced = 162 pulses
Explanation:
give data
radius = 50 mm
encoder produces = 256 pulses per revolution
linear displacement = 200 mm
solution
first we consider here roll shaft encoder on the flat surface without any slipping
we get here now circumference that is
circumference = 2 π r .........1
circumference = 2 × π × 50
circumference = 314.16 mm
so now we get number of pulses produced
number of pulses produced = × No of pulses per revolution .................2
number of pulses produced = × 256
number of pulses produced = 162 pulses