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A baffled tank with an HE-3 impeller is to be used to blend a mixture with...
Oil (density = 910Kg/m3 and viscosity 3.1 x10-3 Pa-s) is pumped from an open tank to...
Oil (density = 910Kg/m3 and viscosity 3.1 x10-3 Pa-s) is pumped from an open tank to a pressurized tank held at 400KPa gauge. The oil is pumped from an inlet at the side of the open tank through a line of commercial steel pipe (inside diameter 0.8m) at a rate of 5x10-3 m3/s. The length of the straight pipe is 150 m, and the pipe contains 4 (90-degree) elbows and two globe valve half open. The level of the liquid...
retv 3) (30 points) A he 60 ft in diameter with a draw off line 1...
retv 3) (30 points) A he 60 ft in diameter with a draw off line 1 ft in diameter. This liquid is to be transferred to a standard railway tank car (capacity 30,000 gal). For safety reasons, the maximum flow rate to fill the rail car is 800 avy, viscous liquid produced as a byproduct of sugar refining is to be stored in a tank gal/min. The storage tank is located 40 ft higher than the tank car. The density...
Problem #3 At very low Reynolds numbers a ball viscometer can be used to measure fluid...
Problem #3 At very low Reynolds numbers a ball viscometer can be used to measure fluid viscosity by dropping a spherical ball in the fluid and measuring its terminal velocity. Consider a solid ball of radius a = 1cm and density Ps = 2,500 kg/m falling in liquid glycerin with density P = 1,250 kg/m3. The measured terminal velocity of the ball is U = 0.15 m/s. Calculate the viscosity of the liquid.
b)) Identify the role of shear involved in the cell damage for mammalian cell cultures. Microcarrier beads 150 um in...
b)) Identify the role of shear involved in the cell damage for mammalian cell cultures. Microcarrier beads 150 um in diameter are used to calculate recombinant CHO cells 1o for production of growth homone. It is proposed to use a 5-cm turbine impeller to mix the culture in a 4-liter stirred tank. Air and carbon dioxide are supplied by flow through the reactor headspace. The microcarrier uspension has a density of approximately 1010 kg/m and a viscosity of 1.3x103 Pa-s....
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor...
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor with pressure of 2.0 atm gauge above the liquid level. The liquid density is 1200 kg/m3 and viscosity is 1.45 cP. The required volumetric flow rate is 1.25 x 103 m/s. The pipeline is 100 m long in total, made of commercial steel pipe, 2 in. size and Schedule 40. The gate valve is wide open. 10 m Reactor Calculate: (a) The discharge velocity...
1. (4 pts.) A large tank of diameter D is drained under the action of gravity...
1. (4 pts.) A large tank of diameter D is drained under the action of gravity through a hole of diameter d in its bottom. Of interest is the time it takes the tank to drain completely. diameter D An experimentalist wishing to model this system with a smaller tank has determined that the time ? that it will take to drain the tank is a function of the initial liquid depth ho, the diameters, D and d, the gravitational...
A dilute slurry contains small solid food particles having a diameter of 3 ´ 10-2 mm...
A dilute slurry contains small solid food particles having a diameter of 3 ´ 10-2 mm which are to be removed by centrifuging. The particle density is 1130 kg/m3 and the solution density is 980 kg/m3. The viscosity of the liquid is 1.2 × 10-3 Pa · s. A centrifuge at 4,000 rpm is to be used. The bowl dimensions are b = 100.1 mm, r1 = 6.0 mm, and r2 = 40.0 mm. Calculate the expected flow rate in...
1. (10 points) A saturated water mixture enters a separator, which divides the fluid into a...
1. (10 points) A saturated water mixture enters a separator, which divides the fluid into a stream of liquid water and saturated vapor: Vapor Inlet Pin Pvap exit SEPARATOR Liquid Pli exit The inlet mass flow rate is 0.6 kg/s, and its density, pin, is 450 kg/m3. At their respective exits, the liquid density, pliq, is 999 kg/m3, and the vapor density Pvap, is 0.62 kg/m3. All three passages have the same diameter, D, of 10 cm. During steady operation,...
2. An oil having density of 833 kg/m3 and a viscosity of 3.3 x 103 Pa.s...
2. An oil having density of 833 kg/m3 and a viscosity of 3.3 x 103 Pa.s is pumped from an open tank to a pressurized tank held at 345 k Pa gauge. The oil is pumped from an inlet at the side of the open tank through a line of commercial steel pipe having an inside diameter of 0.07792 m at the rate of 3.494 x 103 m'/s. The length of the straight pipe is 122 m and the pipe...
An enclosed tank containing water of density (r = 1000 kg/m3) has a hole in its side at a distance y1 from the tank’s bottom as shown in figure. The hole is open to atmosphere (Po = 1´105 Pa) , and it...
An enclosed tank containing water of density (r = 1000 kg/m3) has a hole in its side at a distance y1 from the tank’s bottom as shown in figure. The hole is open to atmosphere (Po = 1´105 Pa) , and its diameter is much smaller than the diameter of the tank. The air above the liquid is maintained at a pressure (P = 1.6´105 Pa). Determine the speed of the liquid as it leaves the hole when the liquid’s...
retv 3) (30 points) A he 60 ft in diameter with a draw off line 1 ft in diameter. This liquid is to be transferred to a standard railway tank car (capacity 30,000 gal). For safety reasons, the maximum flow rate to fill the rail car is 800 avy, viscous liquid produced as a byproduct of sugar refining is to be stored in a tank gal/min. The storage tank is located 40 ft higher than the tank car. The density...
Problem #3 At very low Reynolds numbers a ball viscometer can be used to measure fluid viscosity by dropping a spherical ball in the fluid and measuring its terminal velocity. Consider a solid ball of radius a = 1cm and density Ps = 2,500 kg/m falling in liquid glycerin with density P = 1,250 kg/m3. The measured terminal velocity of the ball is U = 0.15 m/s. Calculate the viscosity of the liquid.
b)) Identify the role of shear involved in the cell damage for mammalian cell cultures. Microcarrier beads 150 um in diameter are used to calculate recombinant CHO cells 1o for production of growth homone. It is proposed to use a 5-cm turbine impeller to mix the culture in a 4-liter stirred tank. Air and carbon dioxide are supplied by flow through the reactor headspace. The microcarrier uspension has a density of approximately 1010 kg/m and a viscosity of 1.3x103 Pa-s....
A liquid chemical is pumped from a storage tank open to the atmosphere, into a reactor with pressure of 2.0 atm gauge above the liquid level. The liquid density is 1200 kg/m3 and viscosity is 1.45 cP. The required volumetric flow rate is 1.25 x 103 m/s. The pipeline is 100 m long in total, made of commercial steel pipe, 2 in. size and Schedule 40. The gate valve is wide open. 10 m Reactor Calculate: (a) The discharge velocity...
1. (4 pts.) A large tank of diameter D is drained under the action of gravity through a hole of diameter d in its bottom. Of interest is the time it takes the tank to drain completely. diameter D An experimentalist wishing to model this system with a smaller tank has determined that the time ? that it will take to drain the tank is a function of the initial liquid depth ho, the diameters, D and d, the gravitational...
1. (10 points) A saturated water mixture enters a separator, which divides the fluid into a stream of liquid water and saturated vapor: Vapor Inlet Pin Pvap exit SEPARATOR Liquid Pli exit The inlet mass flow rate is 0.6 kg/s, and its density, pin, is 450 kg/m3. At their respective exits, the liquid density, pliq, is 999 kg/m3, and the vapor density Pvap, is 0.62 kg/m3. All three passages have the same diameter, D, of 10 cm. During steady operation,...
2. An oil having density of 833 kg/m3 and a viscosity of 3.3 x 103 Pa.s is pumped from an open tank to a pressurized tank held at 345 k Pa gauge. The oil is pumped from an inlet at the side of the open tank through a line of commercial steel pipe having an inside diameter of 0.07792 m at the rate of 3.494 x 103 m'/s. The length of the straight pipe is 122 m and the pipe...
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