A planar slab (k 25 WIm C) of thickness 2L 0.2 m experiences uniform. volumetric energy generation q 0.3 x 106 wym Both surfaces of the slab are exposed to an identical convection environment T 92 oc, h 500 Whm C. Assume steady, one-dimensional conduction in the slab, Consider the following:

i) Determine the maximum temperature (eC) in the slab.
ii) Calculate the temperature (°C) at the exposed surfaces.
iii) Evaluate the heat flux (W/m at the exposed surfaces.

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.

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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