Minimum thickness? A building has to be maintained at 21°C (dry bulb)and 14.5°C (wet bulb). The dew point temperatureunder these conditions is 10.17°C. The outsidetemperature is-23°C (dry bulb) and the internaland external surface heat transfer coefficients are8 W/m2K and 23 W/m2K respectively. If thebuilding wall has a thermal conductivity of1.2 W/mK, the minimum thickness (in m) of thewall required to prevent condensation is

Given; A building has to be maintained at, TI=210 C (DB)Wet bulb, Tdb=10.170COutside temperature,…

Answered: Minimum thickness?

Engineering

Mechanical Engineering

Minimum thickness?

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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Question

Minimum thickness?

A building has to be maintained at 21°C (dry bulb)
and 14.5°C (wet bulb). The dew point temperature
under these conditions is 10.17°C. The outside
temperature is-23°C (dry bulb) and the internal
and external surface heat transfer coefficients are
8 W/m2K and 23 W/m2K respectively. If the
building wall has a thermal conductivity of
1.2 W/mK, the minimum thickness (in m) of the
wall required to prevent condensation is

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