4. Carbon dioxide (CO2) gas at 30C is flowing in a pipeline with diameter 0.1 m and at a velocity of 50 m/s. Calculate the pressure read by the two mercury manometers when (a) one is connected to the wall and (b) the other is connected to what is called a pitot tube that points against the flow. The barometer reads 762 mm of Hg, g=9.81 m/s2 and hg=13,640 kg/m3. (c) Explain why the pressure at the pitot tube is higher than the pressure at the wall. ANS: 150.8 kPa, 153.3 kPa
4. Carbon dioxide (CO2) gas at 30C is flowing in a pipeline with diameter 0.1 m...
Carbon dioxide (CO2) is used for the gas cooled reactor in shell and tube heat exchanger type steam generator (shown in Figure 2). 90000 kg/h entered to the exchanger under pressure and temperature of 4 bar and 500 OC respectively. The steam saturation temperature is 250 oC when the carbon dioxide leave the generator at 3300C. Presume the formed steam is saturated and dry. Using 25 mm inner diameter and 2 mm wall thickness, a copper tube is designed for...