What will be the heating load for a 6’ x 6’ window constructed of single-pane TD=60 degrees F, Assume U = 1.05. Double-p...
What will be the heating load for a 6’ x 6’ window constructed of single-pane TD=60 degrees F, Assume U = 1.05. Double-pane clear glass, U = 0.55?
Homework Answers
heating load ( Q ) = U * A * TD
where, U - overall heat transfer coefficient
A - Area perpendicular to the heat transfer direction
TD - Temperature difference
= 2268 BTU / hr.
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What will be the heating load for a 6’ x 6’ window constructed of single-pane TD=60 degrees F, Assume U = 1.05. Double-p...
a) What is the difference between latent and sensible heat gains in building cooling load analysis?...
a) What is the difference between latent and sensible heat gains in building cooling load analysis? Provide examples of each (2 marks) b) In heating load calculations, it is a normal practice to neglect the solar heat gain Explain why. (2 marks) c) An air conditioned single family detached house with a Figure_Q6A is located in Perth, Australia (Latitude 31° South). The ceiling height is 24 m. The summer floor plan shown in design indoor temperature is 25°C. Outside design...
A 2 ft high x 6 ft wide double-glazed window faces southwest. The window has a frame with width o...
A 2 ft high x 6 ft wide double-glazed window faces southwest. The window has a frame with width of 1.25 in. around the outside edge. The top of the window has a 1.5 ft overhang that extends a great distance on each side of the window. The incident angle is 60 deg, the incident direct irradiation is 120 Btu/hr-ft, and the incident diffuse irradiation is 50 Btu/hr-ft. 1- Compute the shaded area of the frame and glazing on July...
9.3 Consider a single-family detached residence. It is a single-story building with an attached heated garage....
9.3 Consider a single-family detached residence. It is a single-story building with an attached heated garage. (Assume that the garage is insulated the same and maintained at the same level of comfort as the house living space.) The house has the fol- lowing characteristics. General 2972 ft 2516 ft? 360 ft 8 ft 2880 ft 332 ft 70 ft 120 ft 3420 ft Wall construction Roof construction Gross floor area (including garage) Living gross floor area Perimeter (including garage) Wall...
Question 1 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m2/s. Air leaves th...
Question 1 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m2/s. Air leaves the coil at 40°C. a) What is the nature of this transformation? Find from the psychrometric chart the required rate of heat addition. n r Tables Vertical wall in wi Horizontal wall in contact with the ground (Hoor of a heated space, buried) all adjoining to an unheated room (garage, sh Wall in contact with the outside Space category contact with...
Uestion 2 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m'/s. Air leaves the...
uestion 2 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m'/s. Air leaves the coil with of h2-50 kJ/kgda. i an enthalpy a) Find each of the initial and final states the dry and wet temperatures, dew point, relative humidity, humidity ratio, specific volume. b) Imagine a simple transformation to reach a dry temperature of 25°C and a relative humidity of 50%. What is the nature of this transformation? What is the required heat...
a) What is the difference between latent and sensible heat gains in building cooling load analysis? Provide examples of each (2 marks) b) In heating load calculations, it is a normal practice to neglect the solar heat gain Explain why. (2 marks) c) An air conditioned single family detached house with a Figure_Q6A is located in Perth, Australia (Latitude 31° South). The ceiling height is 24 m. The summer floor plan shown in design indoor temperature is 25°C. Outside design...
A 2 ft high x 6 ft wide double-glazed window faces southwest. The window has a frame with width of 1.25 in. around the outside edge. The top of the window has a 1.5 ft overhang that extends a great distance on each side of the window. The incident angle is 60 deg, the incident direct irradiation is 120 Btu/hr-ft, and the incident diffuse irradiation is 50 Btu/hr-ft. 1- Compute the shaded area of the frame and glazing on July...
9.3 Consider a single-family detached residence. It is a single-story building with an attached heated garage. (Assume that the garage is insulated the same and maintained at the same level of comfort as the house living space.) The house has the fol- lowing characteristics. General 2972 ft 2516 ft? 360 ft 8 ft 2880 ft 332 ft 70 ft 120 ft 3420 ft Wall construction Roof construction Gross floor area (including garage) Living gross floor area Perimeter (including garage) Wall...
Question 1 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m2/s. Air leaves the coil at 40°C. a) What is the nature of this transformation? Find from the psychrometric chart the required rate of heat addition. n r Tables Vertical wall in wi Horizontal wall in contact with the ground (Hoor of a heated space, buried) all adjoining to an unheated room (garage, sh Wall in contact with the outside Space category contact with...
uestion 2 Moist air, saturated at 5°C, enters a heating coil at a rate of 10 m'/s. Air leaves the coil with of h2-50 kJ/kgda. i an enthalpy a) Find each of the initial and final states the dry and wet temperatures, dew point, relative humidity, humidity ratio, specific volume. b) Imagine a simple transformation to reach a dry temperature of 25°C and a relative humidity of 50%. What is the nature of this transformation? What is the required heat...
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