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Category > Engineering Posted 27 Apr 2017 My Price 3.00

The top surface of the passenger car of a train

The top surface of the passenger car of a train moving at a velocity of 70 km/h is 2.8 m wide and 8 m long. The top surface is absorbing solar radiation at a rate of 200 W/m2, and the temperature of the ambient air is 30बC. Assuming the roof of the car to be perfectly insulated and the radiation heat exchange with the surroundings to be small relative to convection, determine the equilibrium temperature of the top surface of the car

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Alpha Geek
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Status NEW Posted 27 Apr 2017 01:04 PM My Price 3.00

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file 1493301424-Answer.docx preview (103 words )
T-----------he -----------top----------- su-----------rfa-----------ce -----------of -----------the----------- pa-----------sse-----------nge-----------r c-----------ar -----------of -----------a t-----------rai-----------n m-----------ovi-----------ng -----------at -----------a v-----------elo-----------cit-----------y o-----------f 7-----------0 k-----------m/h----------- is----------- 2.-----------8 m----------- wi-----------de -----------and----------- 8 -----------m l-----------ong-----------. T-----------he -----------top----------- su-----------rfa-----------ce -----------is -----------abs-----------orb-----------ing----------- so-----------lar----------- ra-----------dia-----------tio-----------n a-----------t a----------- ra-----------te -----------of -----------200----------- W/-----------m2,----------- an-----------d t-----------he -----------tem-----------per-----------atu-----------re -----------of -----------the----------- am-----------bie-----------nt -----------air----------- is----------- 30-----------ब-----------C. -----------Ass-----------umi-----------ng -----------the----------- ro-----------of -----------of -----------the----------- ca-----------r t-----------o b-----------e p-----------erf-----------ect-----------ly -----------ins-----------ula-----------ted----------- an-----------d t-----------he -----------rad-----------iat-----------ion----------- he-----------at -----------exc-----------han-----------ge -----------wit-----------h t-----------he -----------sur-----------rou-----------ndi-----------ngs----------- to----------- be----------- sm-----------all----------- re-----------lat-----------ive----------- to----------- co-----------nve-----------cti-----------on,----------- de-----------ter-----------min-----------e t-----------he -----------equ-----------ili-----------bri-----------um -----------tem-----------per-----------atu-----------re -----------of -----------the----------- to-----------p s-----------urf-----------ace-----------
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