Shop in a city has the following loads Room sensible heat . ..... 60 kW Room latent heat... 15 kW Summer outside and inside design conditions are Outside. . 40°C DBT 27°C WB Inside. .. 25°C DBT 50% RH. 80 cmm of ventilation air is used. Determine the following. () Ventilation load (ii) Grand total heat (iii) Effective sensible heat factor (iv) Dehumidified air quantity Condition DBT WBT RH W V °C °C kg w.v/ kJ/kg d.a. m/kg d.a. kg d.a. outside 40 27 0.0175 85 0.912 inside 25 50 0.01 · 50.8 0.858 Given: Coil by pass factor= 0.15, Apparatus dew point= 11°C

Shop in a city has the following loads Room sensible heat . ..... 60 kW Room latent heat... 15 kW Summer outside and inside design conditions are Outside. . 40°C DBT 27°C WB Inside. .. 25°C DBT 50% RH. 80 cmm of ventilation air is used. Determine the following. () Ventilation load (ii) Grand total heat (iii) Effective sensible heat factor (iv) Dehumidified air quantity Condition DBT WBT RH W V °C °C kg w.v/ kJ/kg d.a. m/kg d.a. kg d.a. outside 40 27 0.0175 85 0.912 inside 25 50 0.01 · 50.8 0.858 Given: Coil by pass factor= 0.15, Apparatus dew point= 11°C

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.8P

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