The internet café, shown in the figure, is on the ground floor of a single storey (G) building in Çanakkale. The neighboring room, store, is not conditioned Downstairs: Basement (not conditioned) Upstairs: Terrace (sunlit) Outer walls: 30 cm brick, U=3.0 kJ/h.m2. 0C, exterior surfaces dark painted Inner walls: U=7.0 kJ/h.m2. 0C Ceiling: 15 cm concrete, U=2.0 kJ/h.m2. 0C Floor: U=6.0 kJ/h.m2. 0C Windows: Single window with single absorbing glass, metal sash, industrial type, shaded with dark colored, half drawn inside roller shade, wind speed is 16 km/h Outer door: U=5.0 kJ/h.m2. 0C, without glass (assume no solar heat gain through the outer door) Average occupancy is 45 people 2000 W electric lights in total 45 PC, each releasing 200 W of heat.a) Determine the appropriate db and wb temperatures (inside design conditions) for the office in summer conditions and calculate the heat gain at 16:00.b) Determine the appropriate db temperature, and find the wb temperature and also the required volumetric flow rate of the supply air. Store(not air-conditioned)20.0 mInternet Cafe90/25015.0 mSwinging door)(Ceiling heigth = 3.5 m)2.0X1.52.0X1.52.0X1.5The internet café, shown in the figure, is on the ground floor of a singlestorey (G) building in Çanakkale.The neighboring room, store, is not conditioned• Downstairs: Basement (not conditioned)Upstairs: Terrace (sunlit)• Outer walls: 30 cm brick, U=3.0 kJ/h.m². °C, exterior surfaces darkpainted• Inner walls: U=7.0 kJ/h.m². °C• Ceiling: 15 cm concrete, U=2.0 kJ/h.m². °CFloor: U=6.0 kJ/h.m². °C• Windows: Single window with single absorbing glass, metal sash,industrial type, shaded with dark colored, half drawn inside rollershade, wind speed is 16 km/h• Outer door: U=5.0 kJ/h.m2. °C, without glass (assume no solar heatgain through the outer door)• Average occupancy is 45 people• 2000 W electric lights in total• 45 PC, each releasing 200 W of heat.a) Determine the appropriate db and wb temperatures (inside designconditions) for the office in summer conditions and calculate the heatgain at 16:00.b) Determine the appropriate db temperature, and find the wbtemperature and also the required volumetric flow rate of the supplyair.

Given: outer wall =30 cm Uo=3 KJ/h.m2.C Uinner=7KJ/hm2.C Ceiling=15cm ,Uc=2KJ/h.m2C Floor U=6KJ/hm2C…

Answered: The internet café, shown in the figure,…

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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The internet café, shown in the figure, is on the ground floor of a single storey (G) building in Çanakkale.
 The neighboring room, store, is not conditioned
 Downstairs: Basement (not conditioned)
 Upstairs: Terrace (sunlit)
 Outer walls: 30 cm brick, U=3.0 kJ/h.m2. 0C, exterior surfaces dark painted
 Inner walls: U=7.0 kJ/h.m2. 0C
 Ceiling: 15 cm concrete, U=2.0 kJ/h.m2. 0C
 Floor: U=6.0 kJ/h.m2. 0C
 Windows: Single window with single absorbing glass, metal sash, industrial type, shaded with dark colored, half drawn inside roller shade, wind speed is 16 km/h
 Outer door: U=5.0 kJ/h.m2. 0C, without glass (assume no solar heat gain through the outer door)
 Average occupancy is 45 people
 2000 W electric lights in total
 45 PC, each releasing 200 W of heat.
a) Determine the appropriate db and wb temperatures (inside design conditions) for the office in summer conditions and calculate the heat gain at 16:00.
b) Determine the appropriate db temperature, and find the wb temperature and also the required volumetric flow rate of the supply air.

Store
(not air-conditioned)
20.0 m
Internet Cafe
90/250
15.0 m
Swinging door)
(Ceiling heigth = 3.5 m)
2.0X1.5
2.0X1.5
2.0X1.5
The internet café, shown in the figure, is on the ground floor of a single
storey (G) building in Çanakkale.
The neighboring room, store, is not conditioned
• Downstairs: Basement (not conditioned)
Upstairs: Terrace (sunlit)
• Outer walls: 30 cm brick, U=3.0 kJ/h.m². °C, exterior surfaces dark
painted
• Inner walls: U=7.0 kJ/h.m². °C
• Ceiling: 15 cm concrete, U=2.0 kJ/h.m². °C
Floor: U=6.0 kJ/h.m². °C
• Windows: Single window with single absorbing glass, metal sash,
industrial type, shaded with dark colored, half drawn inside roller
shade, wind speed is 16 km/h
• Outer door: U=5.0 kJ/h.m2. °C, without glass (assume no solar heat
gain through the outer door)
• Average occupancy is 45 people
• 2000 W electric lights in total
• 45 PC, each releasing 200 W of heat.
a) Determine the appropriate db and wb temperatures (inside design
conditions) for the office in summer conditions and calculate the heat
gain at 16:00.
b) Determine the appropriate db temperature, and find the wb
temperature and also the required volumetric flow rate of the supply
air.

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