Thermal Energy and Chemical Change Lab Report Instructions: In this engineering lab, you will build and test a device that releases and absorbs thermal energy in order to reach a goal. You will need to repeat tests of your device to make sure it does not need to be redesigned or improved. Record your observations and test measurements in the lab report below. You will submit your completed report.

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Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k