Please solve it complete in 30 minute Consider an apartment in a tower block as a cube of side L = 7.77 m. Since this apartment is designed to be rentedby a student, it has no windows. The floor and ceiling are perfectly insulated, but the wall is made of concrete ofthickness d = 15.0 cm. The thermal conductivity of the concrete is k = 0.610 Wm¯'K-.Part 1)The outside temperature is stable at Toutconditioner if the occupant wants to keep the inside temperature stable at Tin= 37.2°C. What is the heat load (rate of heat transfer) on the air18.0°C?P =kWPart 2)A layer of insulation of thickness dins= 43.7 mm and thermal conductivity kins = 0.0254 Wm¬K¯ is added tothe walls. What is the heat load now?P =kWPart 3)The occupant complains that the apartment is dank and dark, so the landlord is forced to install windows and a door.These are constructed, but then drafts from the gaps around the windows and doors allow the air in the apartment tochange every 2 hours. How much additional heat load does changing this air add. The specific heat of air isc = 1.0 kJkgK and the density of air is p = 1.0kgm¯³.AP =kW

Given data The Room can be considered as a cube with dimensions 7.77 mThe thickness of the wall = d…

Consider an apartment in a tower block as a cube of side L = 7.77 m. Since this apartment is designed to be rented by a student, it has no windows. The floor and ceiling are perfectly insulated, but the wall is made of concrete of thickness d = 15.0 cm. The thermal conductivity of the concrete is k = 0.610 Wm¯'K¯'. Part 1) The outside temperature is stable at Tout conditioner if the occupant wants to keep the inside temperature stable at Tin 37.2°C. What is the heat load (rate of heat transfer) on the air 18.0°C? %3D P = kW Part 2) A layer of insulation of thickness dins = 43.7 mm and thermal conductivity kins -1 = 0.0254 Wm¯'K¯ is added to the walls. What is the heat load now? P = kW Part 3) The occupant complains that the apartment is dank and dark, so the landlord is forced to install windows and a door. These are constructed, but then drafts from the gaps around the windows and doors allow the air in the apartment to change every 2 hours. How much additional heat load does changing this air add. The specific heat of air is c = 1.0 kJkg"K and the density of air is p = 1.0kgm -3 AP = kW

Consider an apartment in a tower block as a cube of side L = 7.77 m. Since this apartment is designed to be rented by a student, it has no windows. The floor and ceiling are perfectly insulated, but the wall is made of concrete of thickness d = 15.0 cm. The thermal conductivity of the concrete is k = 0.610 Wm¯'K¯'. Part 1) The outside temperature is stable at Tout conditioner if the occupant wants to keep the inside temperature stable at Tin 37.2°C. What is the heat load (rate of heat transfer) on the air 18.0°C? %3D P = kW Part 2) A layer of insulation of thickness dins = 43.7 mm and thermal conductivity kins -1 = 0.0254 Wm¯'K¯ is added to the walls. What is the heat load now? P = kW Part 3) The occupant complains that the apartment is dank and dark, so the landlord is forced to install windows and a door. These are constructed, but then drafts from the gaps around the windows and doors allow the air in the apartment to change every 2 hours. How much additional heat load does changing this air add. The specific heat of air is c = 1.0 kJkg"K and the density of air is p = 1.0kgm -3 AP = kW

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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