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determine the sidelighting workplace illuminances for a 20 ft long 15 ft wide deep 8 ft high light-colored room with a
determine the clear sky day and the cloudy day work-plane illuminances for a 30 ft long 30 ft wide 10 ft high
determine the clear day and cloudy day illuminances on a horizontal skylight at noon on june 21 and december 21 ina
a 3 ft times 5 ft double-domed skylight has outer and inner fat-plate plastic transmittances of 08 and 07 respectively
determine the number and roof placement of 10 ft times 4 ft skylights needed for a 50 ft times 50 ft times 10 ft high
what would be the procedure for producing uniform workplace illuminance when both sidelighting and skylighting are used
design a compressed air energy storage system for a wind turbine assume that a cavity in an abandoned salt mine was
a hydrogenoxygen fuel cell stack produces 100 kw of dc power at an efficiency of 60 with water vapor as the product
derive an expression for the electric energy generation per unit of air volume stored in a cavity for a caes system
supposing you own some land next to a 50 mw wind farm located on colorados front range your land has a fantastic
it has been proposed that the united states should strive toward a hydrogen economy at present the united states uses
a design a compressed air energy storage system for a wind turbine you analyzed previously assume that a cavity in an
derive an expression for the linear battery model power output as a function of the internal-to-external resistance
design a battery electric storage system for a power plant with 20 mw peak power delivery for a duration of 4 h and
a hydrogenoxygen fuel cell operates with a voltage of 07 v with water vapor production calculate the kwh of work per
you are asked to estimate the amount of heat that can be stored overnight in a solar heated building which has a
a neighborhood fuel cell power plant is to be designed for an electric power output of 2000 kw with liquid-water
explain in your own words the manner in which the pelamis wave power device operates note that the motion at the hinges
the combustion of ethanol goes according to the following equationwhere lhv lower heating value the symbol l
if the sea power plant described in problem 115 is to deliver power at 8106 btu estimate the maximum permissible cost
it has recently been proposed that otec could be used to produce ammonia a chemical currently manufactured from natural
aluminum sells today at approximately 1850ton the production of aluminum is one of the most energy-intensive processes
on february 2006 president george w bush said all of a sudden you know we may be in the energy business by being able
using the phase velocity calculated in problem 112 estimate the power in a deepwater wave of 15 m amplitude and 100 m
a truck engine consumes diesel at a rate of 30 lh and delivers 65 kw of power to the wheels if the fuel has a heating