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A balanced-cross-flow compact heat exchanger is required for an air heating system that processes 0.5 kg/s air. The inlet temperature for the hot water is 295 K, and the cold air enters at 270 K to be heated to 287 K. The inlet pressure for the hot water is 986 mbar. Determine the dimensions of the heat exchanger with a pressure drop of 3300 Pa.
A heat pump with a COP (coefficient of performance) of 2.8 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power
a 70 meter tall cylindrical tower with outer diameter 12 meters is exposed to a very cold evening where the temperature
Identify the mass properties that would be used to determine an appropriate size box to package 60 ABS Plastic (0.038 lb/in3) blanks and to ship them at $1.15 per pound.
joe smith claims to have designed a power cycle that can achieve a net power output of 400 mw given a heat input of 500
to conserve water and energy a flow reducer is installed in the shower head shown here. if the pressure at point 1
Find expression for the isothermal compressibility and coefficient of thermal expansion for a fluid that is described by the van der waals equation of state. Expression should be in term of measurable properties.
Dry air passes over a flat plate, at the surface of which the water vapor concentration is 0.01 kmol/m3. The plate’s length is 5m (in the direction of airflow) and its width is 1m, and the free-stream velocity of the air is 2 m/s. If both the convect..
water flows through the horizontal y-fitting shown in figure p3.101. if the flowrate and pressure in pipe1 are q1 2.3
A paperclip is made of wire 1.25mm in diameter. If the original material from which the wire is made was 15mm in diameter, calculate the longitudinal and diametrical engineering and true strains that the wire has undergone during processing.
a hot iron block at 300 ordmc of sides 15 cm by 20 cm by 25 cm is placed on insulated horizontal surface with its 15 cm
a particle of mass m kg carrying q coulombs enters the space between two charged plates with the horizontal velocity
a rigid 2-ft3 vessel contains water originally at 150of and 5.07 percent quality. the water is then heated until its
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