Outside air at 15°C and 20% relative humidity is admitted at a volumetric rate of 15m³/min into an air conditioning system composed of a simple heating section followed by a humidification section, which must supply air at 27 °C and 65% relative humidity. The airflow temperature between the heating and humidifying sections is 22°C and the entire air conditioner operates at 70kPa. Determine, using calculations: (a) the rate of heat supply to the heating section, in kW, is ______. (b) the wet bulb temperature of the air after the heating section, in °C, is ______. (c) the mass flow rate of steam in the humidification section, in g/s, is ______. (d) the temperature of the steam injected into the humidification section for a steam pressure of 200kPa, in °C, is _______
Outside air at 15°C and 20% relative humidity is admitted at a volumetric rate of 15m³/min into an air conditioning system composed of a simple heating section followed by a humidification section, which must supply air at 27 °C and 65% relative humidity. The airflow temperature between the heating and humidifying sections is 22°C and the entire air conditioner operates at 70kPa. Determine, using calculations: (a) the rate of heat supply to the heating section, in kW, is ______. (b) the wet bulb temperature of the air after the heating section, in °C, is ______. (c) the mass flow rate of steam in the humidification section, in g/s, is ______. (d) the temperature of the steam injected into the humidification section for a steam pressure of 200kPa, in °C, is _______
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Outside air at 15°C and 20% relative humidity is admitted at a volumetric rate of 15m³/min into an air conditioning system composed of a simple heating section followed by a humidification section, which must supply air at 27 °C and 65% relative humidity. The airflow temperature between the heating and humidifying sections is 22°C and the entire air conditioner operates at 70kPa. Determine, using calculations:
(a) the rate of heat supply to the heating section, in kW, is ______.
(b) the wet bulb temperature of the air after the heating section, in °C, is ______.
(c) the mass flow rate of steam in the humidification section, in g/s, is ______.
(d) the temperature of the steam injected into the humidification section for a steam pressure of 200kPa, in °C, is _______
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