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A room is at 35°C DB and 50% RH. An air-conditioning unit starts to cool the...
A room is at 35°C DB and 50% RH. An air-conditioning unit starts to cool the air. At what temp will the moisture in the air start to condense? What are the initial and final enthalpies and humidity ratios 4,
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) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 mº/min of room return air at 30°C, 50% relative humidity is first mixed with 40 mº/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. (Note that air...
(15) The required inside conditions are 24 °C and 50% RH, and the outdoor design conditions...
(15) The required inside conditions are 24 °C and 50% RH, and the outdoor design conditions are 34° C and 40% RH. The air is supplied to the (4mx6mx3m) room. Find:- a) the specific volume of the air at the end of the process. b) moisture content at the end of process. (using the psychrometric chart) U = 4 X87 RH=50% in
- What is the physical interpretation of the wet-bulb temperature During winter time a room is...
- What is the physical interpretation of the wet-bulb temperature During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 min of room return air at 30°C. SON relative humidity is first mixed with 40 m/min of outdoor at 10°C. 20% relative humidity: The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. Note that air and...
PROBLEM 2. (20 POINTS) A space to be maintained at 25 C dB (dry bulb) temperature and 18°C wB (we...
PROBLEM 2. (20 POINTS) A space to be maintained at 25 C dB (dry bulb) temperature and 18°C wB (wet bulb) has a rate of sensible-heat gain of 25 kWand a rate of moisture gain of20 kg/hr. Moist air enters the space at a dry-bulb temperature of 15°C. Outdoor air at 35 C dB temperature and 25 C wB is supplied for ventilation purposes at a rate of 400 Us (litres per second) of standard air. After leaving the room,...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. (Note that air...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air...
al What is the physical interpretation of the wet-bulb temperature! b] During winter time a room...
al What is the physical interpretation of the wet-bulb temperature! b] During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C. 50% relative humidity is first mixed with 20 m/min of outdoor 10°C. 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air and...
A room is at 35°C DB and 50% RH. An air-conditioning unit starts to cool the air. At what temp will the moisture in the air start to condense? What are the initial and final enthalpies and humidity ratios 4,
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) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 mº/min of room return air at 30°C, 50% relative humidity is first mixed with 40 mº/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. (Note that air...
(15) The required inside conditions are 24 °C and 50% RH, and the outdoor design conditions are 34° C and 40% RH. The air is supplied to the (4mx6mx3m) room. Find:- a) the specific volume of the air at the end of the process. b) moisture content at the end of process. (using the psychrometric chart) U = 4 X87 RH=50% in
- What is the physical interpretation of the wet-bulb temperature During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 min of room return air at 30°C. SON relative humidity is first mixed with 40 m/min of outdoor at 10°C. 20% relative humidity: The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. Note that air and...
PROBLEM 2. (20 POINTS) A space to be maintained at 25 C dB (dry bulb) temperature and 18°C wB (wet bulb) has a rate of sensible-heat gain of 25 kWand a rate of moisture gain of20 kg/hr. Moist air enters the space at a dry-bulb temperature of 15°C. Outdoor air at 35 C dB temperature and 25 C wB is supplied for ventilation purposes at a rate of 400 Us (litres per second) of standard air. After leaving the room,...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. (Note that air...
a) What is the physical interpretation of the wet-bulb temperature? b) During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C, 50% relative humidity is first mixed with 40 m/min of outdoor at 10°C, 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air...
al What is the physical interpretation of the wet-bulb temperature! b] During winter time a room is maintained at a steady temperature and humidity by an air-conditioning system shown. 200 m/min of room return air at 30°C. 50% relative humidity is first mixed with 20 m/min of outdoor 10°C. 20% relative humidity. The mixed air is then introduced to a heater where the temperature of the air is raised to 45°C and supplied to the room. [Note that air and...
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