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The objective of this project is to identify a commercially available heat pump system that will meet annual heating and cooling needs of an existing dwelling in a locale of your choice. Consider each of two types of heat pump: air source and ground source. Estimate installation costs, operating costs, and other pertinent costs for each type of heat pump. Assuming a 12-year life, specify the more economical heat pump system. What if electricity were to cost twice its current cost? Prepare a poster presentation of your findings.
Using standard transformations between Cartesian and Cylindrical coordinate systems
Saturated liquid water at 25°C is pumped to a pressure of 5MPa in an isothermal process. The specific work required by the pump to pressurize the water to 5MPa can be found as the change in enthalpy of the water from the inlet pressure to the outlet ..
refrigerant 134a at 10 bars 38oc flows at 10.0 kgs through a heat exchanger leaving at 9.0 bars and 80oc. it exchanges
the acceleration of a particle is defined by the relation akt2. a knowing that v-8fts when t0 and that v 8fts when t2s
Determine the maximum displacement of the piston after engaging the spring-damper. How many seconds does it take - determine the moment of inertia of the flywheel about its geometric axis.
Oxygen at 450K is heated to 850K. Assume oxygen as an ideal gas. Determine the change in internal energy and enthalpy of oxygen per unit mass, using: Data for line over u and line over h from the oxygen table
In the wind tunnel experiment, four wall taps are used to measure pressure. Are those wall taps used to measure pressure of the air very close to the wall surface? What is the velocity of air close to the wall surface? Are the wall taps used to measu..
a body with a mass of 20kg accelerates uniformly in a straight line according to the law v10-2t where v is the final
in an orthogonal cutting operation the chip velocity was determined using a laser doppler velocimeter ldv as 80 of the
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
a woman with wieght 637n lies on a bed of nails. the bed has a weight of 735n and a lenght of 1.72m. the bed is held up
a heat pump is used to heat a house and maintain it at 20 degc. on a winter day when the outdoor air temperature is -5
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