What is mass flow rate of a liquid flowing through a pipe? Derive Bernoulli’s equation.
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A: To Find The flow inside a pipe after the velocity profile fully develops is:
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What is mass flow rate of a liquid flowing through a pipe? Derive Bernoulli’s equation.
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- answer is provided and mass flow rate is 4.2 kg/sec(4) A water hose connected to a nozzle is used to fill a 10 L container. The internal diameter of the hose is 2 cm and the nozzle exit has an inner diameter of 1.7 cm. It takes 30 s to fill up the container. If the inlet pressure is 2 atm and the nozzle exit is 0.8 m above the hosea. What is the velocity (m/s) of water at the outlet stream and at the inlet stream?b. What is the water pressure (atm) at the outlet stream c. What is the mass flow rate of water (kg/s)?A 0.6 m3 tank contains gas at a pressure of 5800 kPa gage, a temperature of 75 deg. Celsius and mass of 25 kg. A part of this gas was discharged and the temperature and pressure changed to 60deg. Celsius and 4130 kPa respectively. Heat was applied and the temperature was back to 75 deg. Celsius. Find: (a) the final mass in the tank in kg CHOICES 9.36 15.63 18.283 (b) the discharged mass in kg. CHOICES 6.716 15.63 9.36 (c) the final pressure of the gas in kPa gage CHOICES 4215.56 5135.88 4135.88
- 96 %24 ork 6 1. A patient needing a blood transfusion has a blood pressure of 120/70 (this is in units of mm Hg). It is best for the blood during the transfusion, to have a pressure that matches the patient's diastolic pressure (70 mm Hg). At what height, above the insertion point, should the blood supply be raised, such that it has the desired pressure of 70 mmHg is reached? (Density of blood is 1.06 * 10^3 kg/m^3 and 1 mm Hg= 133 Pascals) PZ =P0+PGZ 1.013 *105PA760MMHG G=9.8 P=1000 dy 12 f5 114 144 & 9 5. 4. 00Find an expression for the mass flux in the venturi tube (shown below) as a function of the pressure change.Flow of Liquid in a Pipe and Mass Balance. A hydrocarbon liquid enters a simple flow system shown in Fig. 2.6-1 at an average velocity of 1.282 m/s, where A₁ = 4.33 x 10³ m² and p₁ = 902 kg/m³. The liquid is heated in the process and the exit density is 875 kg/m³. The cross-sectional area at point 2 is 5.26 x 10-3 m². The process is steady state. (a) Calculate the mass flow rate m at the entrance and exit. (b) Calculate the average velocity v in 2 and the mass velocity Gin 1. A₁ :45: process P₁ A₂ P₂
- 1- Nitrogen is stored in a large chamber under conditions of 450 K and 1.5 x 105 N/m . The gas leaves the chamber through a convergent-only nozzle whose outlet area is 30 cm .The ambient room pressure is 1 × 105 N/m, and there are no losses. (a) What is the velocity of the nitrogen at the nozzle exit? (b) What is the mass flow rate? (c) What is the maximum flow rate that could be obtained by lowering the ambient pressure? ERING RINCExplain about Bernoulli's equation with any one practical example.A saturated steam at 410K is being transported in a pipeline (brass drawing tubing) at a rate of 1 grams/second. Pipe has inside diameter of 0.025 m . The tube is 100m long. The pressure at the entrance is 80kPa. (use Perry's Handbook for the properties and constants) R = 8314J/kg mol K; MW=18.02g/mol a. What is the value of G in kg/s.m2? b. What is the value of friction factor? c. What is the % of pressure drop? d. Calculate the outlet pressure.
- 3. In figure shown, pipes 1 and 2 are of diameter 3 cm, D3 = 4 cm. Alcohol (SG = 0.80) enters section 1 at 6 m/s while water enters at section 2 at 10 m/s. Assuming ideal mixing of incompressible fluids, compute the exit velocity and density of the mixture at section 3. The temperature is 20°C. Answer: 9 m/s, 928 kg/m3 (2) Ideal mixing (3) V₂-P3Hot water at a constant volumetric flow rate of Fh and temperature Th(t) is mixed with cold water at a constant volumetric flow rate of Fc and a constant temperature of Tc. Both streams flow into a bathtub, but because of carelessness, the water is overflowing and keeping the bathtub full of water. The bathtub volume is V, and the heat loss can be ignored. Assuming the water in the bathtub is perfectly mixed and constant density and heat capacity, derive the differential equation relating the temperature in the bathtub, T(t), to the temperature of the hot water, Th(t).Find the mass in metric tons per day of at -5 °C that would theoretically made in a refrigerating plant from water at 15 °C, when the mass flowrate of CO, is 0.7 kg/s. If the specific enthalpy of evaporation of CO, at the evaporator pressure is 290.7 KJ/kg. The dryness fractions of the CO, entering and leaving the evaporator are 0.22 and 0.98 respectively. Use the following constants (4.187 KJ/kg-K, 334 kJ/kg, 2257 KJ/kg).