A transect of piezometers have been drilled into a deep, confined aquifer composed of sand. For a porosity of 30% and a hydraulic conductivity of 32.8 m/d, estimate the specific discharge, actual velocity, and time of travel for the water to move 5km from its recharge zone. Piezometer Head (m) Distance (km)
1 50 0
2 45 2.5
3 40 5

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