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6 1 Determine the equivalent diameter Deg of a rectanqular duct 1000 x 600 mm and...
Chapter 08, Problem 044 A 3-ft-diameter duct is used to carry ventilating air = 2.373 x...
Chapter 08, Problem 044 A 3-ft-diameter duct is used to carry ventilating air = 2.373 x 10- slugs/fr", v= 1.57 x 10 ft/s) into a vehicular tunnel at a rate of 8000 ft/min. Tests show that the pressure drop is 1.1 in. of water per 1500 ft of duct. What is (a) the value of the friction factor for this duct and (b) the approximate size of the equivalent roughness of the surface of the duct? Use this figure. (a)f=...
Problem 1 A duct with diameter D, surface roughness e, and length L = 1500 feet...
Problem 1 A duct with diameter D, surface roughness e, and length L = 1500 feet transports air with specific weight Yair = 0.0752 lbs/ft at volume flow rate of Q = 9000 ft/min. A pressure gradient of Ap/L is measured in inch of water per 1500 feet of duct. Use either a graphical method (preferred) or a numerical iteration method to fill out the table below. Show all steps. If you choose to use a graphical method, show a...
A smoking lounge is to accommodate 21 heavy smokers. The minimum fresh air requirement for smoking...
A smoking lounge is to accommodate 21 heavy smokers. The minimum fresh air requirement for smoking lounges is specified to be 30 Ls per person (ASHRAE, Standard 62, 1989). Determine the minimum required flow rate of fresh air that needs to be supplied to the lounge and the diameter of the duct if the air velocity is not to exceed 8 m/s. (Round the final answers to two and three decimal places, respectively.) Smoking lounge Fan The minimum required flow...
is question includes [k2,h2) Determine the equivalent diameter and pressure drop for 2500 /s of air...
is question includes [k2,h2) Determine the equivalent diameter and pressure drop for 2500 /s of air flowing through a rectangular duct of dimensions 240 cm x 180 cm that is 114 m long k21 (10 Pts If the following were installed on the duct part a, Calculate the total external losses and show schematic diagram for the supply duct? [k2] (10 Pts.) Two 90° Elbow, -45 T branch - Fire damper Volume damper -Supply register what impact does duct material...
Oilspecific gravity 0.85 and dynamic viscosity 1.52 x 103 Pa.s to flow in a 550 mm diameter uPVC ...
help me to answer question 9,11,13 please
Oilspecific gravity 0.85 and dynamic viscosity 1.52 x 103 Pa.s to flow in a 550 mm diameter uPVC pipe. The allowable friction head loss is imited to 15 m and length of pipe is 100 m. al using Darcu-Weisbach formula, determine the flow velocity, the friction factor and the flow rate. using Hazen-Wiiams formula, determine the velocity and the flow rate. MoN 10 Water must flow in a straight 450 mm diameter galvanized...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass flow rate of air having a temperature of 20C and gauge pressure 80 kPa as it flows through a circular duct 400 mm in diameter with an average velocity of 3 m/s. The gas specific constant R 286.9 JK /kg 2. Determine the average velocity of the steady flow at one outlet of a T- junction if the inlet flow speed is 6 m/s...
Case Study 2 Convection) – 30 Marks Consider an air duct heater consists of electrical heating...
Case Study 2 Convection) – 30 Marks Consider an air duct heater consists of electrical heating elements with an aligned arrangement and the longitudinal (5) and transverse pitches (S.) of 5 = 5, = 22 mm. There are 3 rows of elements in the flow direction (N = 3) and 3 elements in each row (N = 3). The atmospheric air at a velocity of V = 10 m/s, and a temperature of. = 15°C enter the duct and flow...
1. Calculate the experimental head loss from the readings taken in the manometer below and compare...
1. Calculate the experimental head loss from the
readings taken in the manometer below and compare them with
theoretical predictions. NOTE: The table is only provided
for inputting the answers. The only given parameters are the
temperature of the water, flow rate and manometer reading.
Calculate the velocity, Reynolds Number, Darcy Friction
Factor, Theoretical Head Loss and Experimental Head
Loss.
2. Compare the differences of using a
Moody Chart and the Haaland Approximation
of the Darcy Friction Factor by calculating...
A flow nozzle equipped with a differential pressure gage is used to measure the flow rate of water at 10°C (p 9997 kg/m3 and p 1.307 x 10-3 kg/m s) through a 3-cm-diameter horizontal pipe. The nozzle...
A flow nozzle equipped with a differential pressure gage is used to measure the flow rate of water at 10°C (p 9997 kg/m3 and p 1.307 x 10-3 kg/m s) through a 3-cm-diameter horizontal pipe. The nozzle exit diameter is 1.5 cm, and the measured pressure drop is 3.3 kPa. Determine the volume flow rate of water, the average velocity through the pipe, and the head loss 1.5 cm Differential pressure gage -3 m3(s m/s The volume flow rate of...
asap please, will rate! 3. Water flows steadily through a curved duct that turns the flow...
asap please, will rate!
3. Water flows steadily through a curved duct that turns the flow through angle 0= 135º, as shown in Fig. 3. The cross-sectional area of the duct changes from Aj 0.025 m² at the inlet to A2 = 0.05 m² at the outlet. The average velocity at the duct inlet is V1 = 6 m/s. The momentum flux correction factor may be taken as Bi= 1.01 at the duct inlet and B2 = 1.03 at the...
Chapter 08, Problem 044 A 3-ft-diameter duct is used to carry ventilating air = 2.373 x 10- slugs/fr", v= 1.57 x 10 ft/s) into a vehicular tunnel at a rate of 8000 ft/min. Tests show that the pressure drop is 1.1 in. of water per 1500 ft of duct. What is (a) the value of the friction factor for this duct and (b) the approximate size of the equivalent roughness of the surface of the duct? Use this figure. (a)f=...
Problem 1 A duct with diameter D, surface roughness e, and length L = 1500 feet transports air with specific weight Yair = 0.0752 lbs/ft at volume flow rate of Q = 9000 ft/min. A pressure gradient of Ap/L is measured in inch of water per 1500 feet of duct. Use either a graphical method (preferred) or a numerical iteration method to fill out the table below. Show all steps. If you choose to use a graphical method, show a...
A smoking lounge is to accommodate 21 heavy smokers. The minimum fresh air requirement for smoking lounges is specified to be 30 Ls per person (ASHRAE, Standard 62, 1989). Determine the minimum required flow rate of fresh air that needs to be supplied to the lounge and the diameter of the duct if the air velocity is not to exceed 8 m/s. (Round the final answers to two and three decimal places, respectively.) Smoking lounge Fan The minimum required flow...
is question includes [k2,h2) Determine the equivalent diameter and pressure drop for 2500 /s of air flowing through a rectangular duct of dimensions 240 cm x 180 cm that is 114 m long k21 (10 Pts If the following were installed on the duct part a, Calculate the total external losses and show schematic diagram for the supply duct? [k2] (10 Pts.) Two 90° Elbow, -45 T branch - Fire damper Volume damper -Supply register what impact does duct material...
help me to answer question 9,11,13 please
Oilspecific gravity 0.85 and dynamic viscosity 1.52 x 103 Pa.s to flow in a 550 mm diameter uPVC pipe. The allowable friction head loss is imited to 15 m and length of pipe is 100 m. al using Darcu-Weisbach formula, determine the flow velocity, the friction factor and the flow rate. using Hazen-Wiiams formula, determine the velocity and the flow rate. MoN 10 Water must flow in a straight 450 mm diameter galvanized...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass flow rate of air having a temperature of 20C and gauge pressure 80 kPa as it flows through a circular duct 400 mm in diameter with an average velocity of 3 m/s. The gas specific constant R 286.9 JK /kg 2. Determine the average velocity of the steady flow at one outlet of a T- junction if the inlet flow speed is 6 m/s...
Case Study 2 Convection) – 30 Marks Consider an air duct heater consists of electrical heating elements with an aligned arrangement and the longitudinal (5) and transverse pitches (S.) of 5 = 5, = 22 mm. There are 3 rows of elements in the flow direction (N = 3) and 3 elements in each row (N = 3). The atmospheric air at a velocity of V = 10 m/s, and a temperature of. = 15°C enter the duct and flow...
1. Calculate the experimental head loss from the
readings taken in the manometer below and compare them with
theoretical predictions. NOTE: The table is only provided
for inputting the answers. The only given parameters are the
temperature of the water, flow rate and manometer reading.
Calculate the velocity, Reynolds Number, Darcy Friction
Factor, Theoretical Head Loss and Experimental Head
Loss.
2. Compare the differences of using a
Moody Chart and the Haaland Approximation
of the Darcy Friction Factor by calculating...
A flow nozzle equipped with a differential pressure gage is used to measure the flow rate of water at 10°C (p 9997 kg/m3 and p 1.307 x 10-3 kg/m s) through a 3-cm-diameter horizontal pipe. The nozzle exit diameter is 1.5 cm, and the measured pressure drop is 3.3 kPa. Determine the volume flow rate of water, the average velocity through the pipe, and the head loss 1.5 cm Differential pressure gage -3 m3(s m/s The volume flow rate of...
asap please, will rate!
3. Water flows steadily through a curved duct that turns the flow through angle 0= 135º, as shown in Fig. 3. The cross-sectional area of the duct changes from Aj 0.025 m² at the inlet to A2 = 0.05 m² at the outlet. The average velocity at the duct inlet is V1 = 6 m/s. The momentum flux correction factor may be taken as Bi= 1.01 at the duct inlet and B2 = 1.03 at the...
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