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approximate the human form as an unclothed vertical cylinder of 03-m diameter and 175-m length with a surface
dry air at 35degc and a velocity of 15 ms flows over a long cylinder of 20-mm diameter the cylinder is covered with a
dry air at 1-atm pressure and a velocity of 15 ms is to be humidified by passing it in cross flow over a porous
a minivan traveling 90 kmh has just passed through a thunderstorm that left a film of water 01 mm thick on the top of
dry air at 35degc and a velocity of 20 ms flows over a wetted plate of length 500 mm and width 150 mm an embedded
consider the physical system of problem 7119 a series of water-filled trays heated radiatively but under operating
a scheme fornbsp dissipatingnbsp heatnbsp fromnbsp annbsp array nbspofnbspnnbsp 100 integrated circuits involves
consider the packed bed s 05 of latent heat cap- sules dc 50 mm described in problem 7110 but now for an application
the porosity of a packed bed can be decreased by vibrat- ing the containment vessel as the vessel is filled with the
1 consider the packed bed of aluminum spheres described in problem 512 under conditions for which the bed is charged by
an air-cooled steam condenser is operated with air in cross flow over a square in-line array of 400 tubes
consider the chip cooling scheme of problem 3146 but with an insulated top wall placed at the pin tips to force airflow
1 a tube bank uses an aligned arrangement of 10-mm- diameter tubes withnbspstnbspnbspslnbsp 20 mm there are 10 rows of
1 copper spheres of 20-mm diameter are quenched by being dropped into a tank of water that is maintained at 280 k the
a spherical workpiece of pure copper with a diameter of 15 mm and an emissivity of 05 is suspended in a large furnace
consider the material processing experiment of problem 524 with atmospheric nitrogen used to implement cooling by
1 air at 25degc flows over a 10-mm-diameter sphere with a velocity of 25 ms while the surface of the sphere is
in a manufacturing process a long coated plastic rod pnbsp 2200 kgm3nbspcnbsp 800 jkg middot knbspknbsp 1 wm middot k
a thermocouple is inserted into a hot air duct to measure the air temperature the thermocouple t1 is soldered to
an uninsulated steam pipe is used to transport high-temperature steam from one building to another the pipe is of 05-m
a 25-mm-diameter high-tension line has an electrical resistance of 10-4nbspnbsp1m and is transmitting a current of 1000
a computer code is being developed to analyze a tem- perature sensor of 125-mm diameter experiencing cross flow of
determine the convection heat loss from both the top and the bottom of a flat plate atnbsptsnbsp 80degc with air in
a fine wire of diameternbspdnbspis positioned across a passage to determine flow velocity from heat transfer character-
consider the conditions of problem 749 but now allow for radiation exchange between the surface of the heating element