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a metal-clad heating element of 6-mm diameter and emissivity s 1 is horizontally immersed in a water bath the surface
an orthotropic lamina has the following characteristics e11 210 gpa e22 8 gpa g125 gpa and 1203 consider a three-ply
the bottom of a copper pan 03 m in diameter is maintained at 118degc by an electric heater estimate the power required
fuel cells similar to the pem cell of example 15 oper- ate with a mixture of liquid water and methanol instead of
an experiment involves heating a very small sphere that is suspended by a fine string in air with a laser beam in order
determine the heat transfer rate from the steel plates of problem 724 accounting for free convection from the plate
a horizontal 100-mm-diameter pipe passing hot oil is to be used in the design of an industrial water heater based on a
a probe used to measure the velocity of air in a low- speed wind tunnel is fabricated of annbsplnbsp 100 mm
free convection occurs between concentric spheres the inner sphere is of diameternbspdinbsp 50 mm and tem-
it has been proposed to use large banks of recharge- able lithium ion batteries to power electric vehicles the
a solar collector design consists of an inner tube enclosed concentrically in an outer tube that is transparent to
the effective thermal conductivitynbspkeff for concentric cylinders and concentric spheres is provided in equa- tions
consider the cylindrical 012-m-diameter radiation shield of example 95 that is installed concentric with a
the space between the panes of a double-glazed window can be filled with either air or carbon dioxide at atmos- pheric
a rectangular cavity consists of two parallel 05-m- square plates separated by a distance of 50 mm with the lateral
1 the absorber plate and the adjoining cover plate of a flat-plate solar collector are at 70 and 35degc respec- tively
determined to reduce the 7 per week cost associated with heat loss through their patio window by convection and
in the analytical treatment of the fin with uniform cross-sectional area it was assumed that the convection heat
a biological fluid moves at a flow rate ofnbspmnbsp 002 kgs through a coiled thin-walled 5-mm-diameter tube submerged
hot air flows from a furnace through a 015-m-diameter thin-walled steel duct with a velocity of 3 ms the duct passes
a billet of stainless steel aisi 316 with a diameter of 150 mm and a length of 500 mm emerges from a heat treatment
a computer code is being developed to analyze a 125-mm-diameter cylindrical sensor used to deter- mine ambient air
consider the electrical heater of problem 749 if the blower were to malfunction terminating airflow while the heater