B2. A shop, with 2 internal walls, is occupied from 10 am to 10 pm with 24 hours air- conditioning. The following buildi

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B2 A Shop With 2 Internal Walls Is Occupied From 10 Am To 10 Pm With 24 Hours Air Conditioning The Following Buildi 1 (68.62 KiB) Viewed 54 times

B2. A shop, with 2 internal walls, is occupied from 10 am to 10 pm with 24 hours air- conditioning. The following building data and design conditions are given: Floor-type Partition type Wall facing south-west Window facing south-west Occupancy Lighting | 100 mm concrete covered with carpet Concrete block Area = 40 m (excluding window); U = 4 W/m²K; Wall type: W15 22 m²; U = 6 W/m²K; SC = 0.65 18 persons 20 kW Use factor = 1; Allowance factor = 1.21 25 °C 32 °C CLTD + (25.5 - te) + (tm - 29.4) Indoor temperature Outdoor mean temperature CLTD. (°C) With the aid of Tables B2.1 to B2.7, determine the following at 2 p.m.: (a) (b) (c) if the external walls of the shop are renovated with a material of heavier mass for its operation without air-conditioning at night, discuss the possible implication in the space cooling load. (6 Marks)