Question

Calculate the sensible heat gain due to the internal heat sources and assumptions below  :

–      N# of people is                          6

–      People activity                           gym

–      People spend                             8 hours in the room

–      N# of lights                                  14

–      Type of light                                fluorescent lights

–      Light wattage                              30 W/unit

–      The lights are turned on at       7 am and off at 5 pm

–      Zone                                              C

 

Answer 1

Given a gym . No of people ab Time spend by people - 8 has No. of lights 84 Light walterge 300/unit Light usage is from Tam to 5pms, ie 10 hrs We need to find the of 앙 sensible heat produced by amount heat sources, in the Heat generated by light Eights are switched on from 7 am to 5PM contin gyon . So @ - light wallage x no. of lights x (zusage has x 3600 ) sec 30 W x 14 units x (10 kes x 2600 sec unit : 15120,000 I 2 15.12 MJ release body Heat genesented by people Assurning that all 8 has there will be all & his there will be 6 people doing exercise. When people work out, they heat. А A strenenous exercise could produce breat of about 1000 W Heat generated by people lood wx (8x3600)s - 2.88 MJ . Z Total sensible heat a 15.12 +2.88 gain a 18 MJ