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Exhaust Air Heat Wheel Return Air HRU Outlet Ventilation Air Wheel Type Total HRU .8 Two...
Outside air (100°F/75°F) flowing at 1000 cfm is mixed with return air (75°F/63°F) at 5000 cfm....
Outside air (100°F/75°F) flowing at 1000 cfm is mixed with return air (75°F/63°F) at 5000 cfm. Find the mixed air conditions (db, RH, wb, u, and h). Sketch on the psychrometric chart.
Psychrometrics) - Work on Your Own Tlowing at 1500 cfm is heated from 65°F (RH-35 conditions...
Psychrometrics) - Work on Your Own Tlowing at 1500 cfm is heated from 65°F (RH-35 conditions (db. RH ons (db, RH, wb, m) Sketch the process on the psychometri 65°F (RH-3596) at a rate of 50.000 Btu/h. Find the outlet air AMERICAN SOCIETY OF HEATING P RICERATO AND AR-CONDITIONING ENGINEERSING w ENTHALPY,
3. A room is to be maintained at 75 deg.F db. 3500 cfm of air is...
3. A room is to be maintained at 75 deg.F db. 3500 cfm of air is ventilated from this room. The sensible heat load on the room is 70,000 Btu/hr. From the air conditioning equation, what is the db temperature of the air ventilated from the room? The ventilated air is 30% rh. What is the wb temperature of the air ventilated from the room? What is the density of the ventilated air? What is the mass flow rate of...
A manufacturing building is being ventilated to maintain air temperature, air moisture levels and air quality....
A manufacturing building is being ventilated to maintain air temperature, air moisture levels and air quality. The following is known about the situation: • The desired inside conditions are 68°F db with a maximum of 60% RH. • The average outside conditions are 42°F db and 35°F wb. • The building has an overall heat loss factor of 454 BTU/(h·ºF) with a total volume of 76,000 ft3. • Inside the building, people and equipment generate sensible heat at a rate...
a. Calculate the dry air and water vapor mass flow rates (lb/min) if the volume flow...
a. Calculate the dry air and water vapor mass flow rates (lb/min) if the volume flow rate is 1,000 cfm, the humidity ratio is 0.025 lbv/lba, and the dry air density is 0.072 Iba/ft3. b. Assume the above air enters an evaporator coil at 90°F where it is cooled in a constant humidity ratio process until reaching the 100 % RH curve ( the temperature at that point is the dew point. The air then keeps dropping in temperature, following...
An Conference Center is to be air-conditioned for a seating capacity of 3200 people for the...
An Conference Center is to be air-conditioned for a seating capacity of 3200 people for the following outdoor and comfort conditions a) Outdoor design conditions = 35 °C, db and 65% R.H b) Indoor/return design conditions-26 deg C. db and 55% RH. c) Total sensible room load = 420,000 kJ/hr d) Total latent room load = 200,000 KJ/hr e) The rise in dry bulb temperature of the air inside the conference center is limited to 9 °C (i.e. the Supply...
Outside air (100°F/75°F) flowing at 1000 cfm is mixed with return air (75°F/63°F) at 5000 cfm. Find the mixed air conditions (db, RH, wb, u, and h). Sketch on the psychrometric chart.
Psychrometrics) - Work on Your Own Tlowing at 1500 cfm is heated from 65°F (RH-35 conditions (db. RH ons (db, RH, wb, m) Sketch the process on the psychometri 65°F (RH-3596) at a rate of 50.000 Btu/h. Find the outlet air AMERICAN SOCIETY OF HEATING P RICERATO AND AR-CONDITIONING ENGINEERSING w ENTHALPY,
3. A room is to be maintained at 75 deg.F db. 3500 cfm of air is ventilated from this room. The sensible heat load on the room is 70,000 Btu/hr. From the air conditioning equation, what is the db temperature of the air ventilated from the room? The ventilated air is 30% rh. What is the wb temperature of the air ventilated from the room? What is the density of the ventilated air? What is the mass flow rate of...
a. Calculate the dry air and water vapor mass flow rates (lb/min) if the volume flow rate is 1,000 cfm, the humidity ratio is 0.025 lbv/lba, and the dry air density is 0.072 Iba/ft3. b. Assume the above air enters an evaporator coil at 90°F where it is cooled in a constant humidity ratio process until reaching the 100 % RH curve ( the temperature at that point is the dew point. The air then keeps dropping in temperature, following...
An Conference Center is to be air-conditioned for a seating capacity of 3200 people for the following outdoor and comfort conditions a) Outdoor design conditions = 35 °C, db and 65% R.H b) Indoor/return design conditions-26 deg C. db and 55% RH. c) Total sensible room load = 420,000 kJ/hr d) Total latent room load = 200,000 KJ/hr e) The rise in dry bulb temperature of the air inside the conference center is limited to 9 °C (i.e. the Supply...
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