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An air conditioning system is designed for a zone with a high dehumidification demands and humid outdoor conditions. the zone load is 50 TR and 0.5 SHF. the zone is to be kept at 22 C and 50% RH. the outdoor air is at at 35 C and 80% RH. The minimum supply temperature is 15 C to avoid thermal stresses. the minimum outdoor air requirement is 10% of the total mass flow rate. Brine solution is used instead of chilled water which allows an apparatus dew point temperature of 1 C. the coil by bass factor is 0.1. inside the AHU the re circulated air and the fresh air are mixed. most of the mixture is cooled while a fraction of the air bypasses the coil. the two streams are then mixed before being heated to reach the supply air conditions. A) calculate the total supply flow rate (in m^3/s) B)the ratio of the flow rate bypassing the cooling coil. C)the coil cooing load ( in TR). D)The total heating load ( in KW) E)the rate of moisture removal (kg/hr) F)the coil SHF.
Determine a) the volume of the tank,b)the final temperature and pressure, and c) the internal energychange of the water.
Mechnical Vibration Analysis, How do I deduce the value of the viscous damping factor? How do I deduce the value of the viscous damping coefficient c?
The total hot water flow rate is 10 gal/min which is equally divided among 16 plates. The average temperature of hot water is 80C. Calculate the pressure drop.
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
find the natural frequency of a pendulum for small angle deflections when the mass of the rod/string is not negligible. (Mass of rod = m, mass of ball = M.
a gas in an insulated tank is separated from an evacuated region by a membrane. the membrane is removed and the gas is
the acceleration of a particle moving along a straight line is inversely proportional to its speed with the constant of
The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. What is the speed of the pump to achieve the service and backwash flow rates ?
(a) determine the first three natural frequencies of the tube (b) Draw the standing wave pattern for both pressure and velocity (c) repeat parts a and b if the right one end is attached to an orifice (Hint: consider the impedance of the orifice to..
a retarding force is applied to a body moving in a straight line so that during an interval of its motion its speed u
the open circuit voltage of a hydrogen-oxygen fuel cell operating at rtp is 0.96 v and its internal resistance is 1.2 m
in each case calculate the biot number for the object and indicate whether or not the lumped approximation is valid.a a
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