Paragraph 1.3. 1 41 5 6' 1.9 10 111 112 113 14 115 E After the diffuser selection and the specification of the required exhaust flow, th Hucts connecting the centrifugal fan is designed using a duct sizer program. Addition d loss through the duct is considered to be about 1 Pa/m or 0.12 inch Wc/100 ft[10] w is then calculated using this program, as depicted in Figure 3-6 below. Exit DesignTools DuctSizer... Print Clear Units About 20°C Air STP X Fluid density Fluid viscosity Specific Heat Energy factor 1.2014 kg/m² 0.0643 kg/m-h 1.0048 kJ/kg*C 1.21 W/C-L/s Flow rate 900 L/s Head loss Pa/m Velocity 7.355 m/s Equivalent 573.5 mm diameter Flow Area Duct size Equivalent Diameter Fluid velocity Reynolds Number Friction factor 283,930 500 mm X 550 mm 573.1 mm 0.2580 m² 7.364 m/s 0.01753 Velocity Pressure Head Loss 32.5862 Pa 0.998 Pa/m Aduct = Apipe = π X² (3-6) Where Re: Reynold Number V: Velocity 771 Aduct Apipe Area of duct and pipe m² deqivelent pipe Equivalent diameter of pipe with same area of duct (m^2) Then the equivalent diameter is 0.59 m Then the Reynold number is 435000, this show that the flow is turbulent then using the moody chart. And the relative pipe equivalent roughness is about 0.05[12]. Then refer to the moody chart as shown in Figure 3-9[13]. Moody Diagram
Paragraph 1.3. 1 41 5 6' 1.9 10 111 112 113 14 115 E After the diffuser selection and the specification of the required exhaust flow, th Hucts connecting the centrifugal fan is designed using a duct sizer program. Addition d loss through the duct is considered to be about 1 Pa/m or 0.12 inch Wc/100 ft[10] w is then calculated using this program, as depicted in Figure 3-6 below. Exit DesignTools DuctSizer... Print Clear Units About 20°C Air STP X Fluid density Fluid viscosity Specific Heat Energy factor 1.2014 kg/m² 0.0643 kg/m-h 1.0048 kJ/kg*C 1.21 W/C-L/s Flow rate 900 L/s Head loss Pa/m Velocity 7.355 m/s Equivalent 573.5 mm diameter Flow Area Duct size Equivalent Diameter Fluid velocity Reynolds Number Friction factor 283,930 500 mm X 550 mm 573.1 mm 0.2580 m² 7.364 m/s 0.01753 Velocity Pressure Head Loss 32.5862 Pa 0.998 Pa/m Aduct = Apipe = π X² (3-6) Where Re: Reynold Number V: Velocity 771 Aduct Apipe Area of duct and pipe m² deqivelent pipe Equivalent diameter of pipe with same area of duct (m^2) Then the equivalent diameter is 0.59 m Then the Reynold number is 435000, this show that the flow is turbulent then using the moody chart. And the relative pipe equivalent roughness is about 0.05[12]. Then refer to the moody chart as shown in Figure 3-9[13]. Moody Diagram
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
I want the method to calculate the Reynolds number, where did this number 435,000 come from(Marked in red) ?
please very urgent
![Paragraph
1.3. 1 41 5
6'
1.9
10 111 112 113
14 115 E
After the diffuser selection and the specification of the required exhaust flow, th
Hucts connecting the centrifugal fan is designed using a duct sizer program. Addition
d loss through the duct is considered to be about 1 Pa/m or 0.12 inch Wc/100 ft[10]
w is then calculated using this program, as depicted in Figure 3-6 below.
Exit
DesignTools DuctSizer...
Print Clear Units About
20°C Air STP
X
Fluid density
Fluid viscosity
Specific Heat
Energy factor
1.2014 kg/m²
0.0643 kg/m-h
1.0048 kJ/kg*C
1.21 W/C-L/s
Flow rate
900
L/s
Head loss
Pa/m
Velocity
7.355
m/s
Equivalent
573.5
mm
diameter
Flow Area
Duct size
Equivalent Diameter
Fluid velocity
Reynolds Number
Friction factor
283,930
500
mm X
550
mm
573.1
mm
0.2580 m²
7.364 m/s
0.01753
Velocity Pressure
Head Loss
32.5862 Pa
0.998 Pa/m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F805e0346-5271-46df-9015-8679f13b9830%2Fab9151fd-d7af-49ff-b5bc-b26778da8cc9%2Fahsiruc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Paragraph
1.3. 1 41 5
6'
1.9
10 111 112 113
14 115 E
After the diffuser selection and the specification of the required exhaust flow, th
Hucts connecting the centrifugal fan is designed using a duct sizer program. Addition
d loss through the duct is considered to be about 1 Pa/m or 0.12 inch Wc/100 ft[10]
w is then calculated using this program, as depicted in Figure 3-6 below.
Exit
DesignTools DuctSizer...
Print Clear Units About
20°C Air STP
X
Fluid density
Fluid viscosity
Specific Heat
Energy factor
1.2014 kg/m²
0.0643 kg/m-h
1.0048 kJ/kg*C
1.21 W/C-L/s
Flow rate
900
L/s
Head loss
Pa/m
Velocity
7.355
m/s
Equivalent
573.5
mm
diameter
Flow Area
Duct size
Equivalent Diameter
Fluid velocity
Reynolds Number
Friction factor
283,930
500
mm X
550
mm
573.1
mm
0.2580 m²
7.364 m/s
0.01753
Velocity Pressure
Head Loss
32.5862 Pa
0.998 Pa/m
![Aduct = Apipe = π X²
(3-6)
Where
Re: Reynold Number
V: Velocity
771
Aduct Apipe Area of duct and pipe m²
deqivelent pipe Equivalent diameter of pipe with same area of duct (m^2)
Then the equivalent diameter is 0.59 m
Then the Reynold number is 435000, this show that the flow is turbulent then using the
moody chart. And the relative pipe equivalent roughness is about 0.05[12]. Then refer to the
moody chart as shown in Figure 3-9[13].
Moody Diagram](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F805e0346-5271-46df-9015-8679f13b9830%2Fab9151fd-d7af-49ff-b5bc-b26778da8cc9%2Fdwi66np_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Aduct = Apipe = π X²
(3-6)
Where
Re: Reynold Number
V: Velocity
771
Aduct Apipe Area of duct and pipe m²
deqivelent pipe Equivalent diameter of pipe with same area of duct (m^2)
Then the equivalent diameter is 0.59 m
Then the Reynold number is 435000, this show that the flow is turbulent then using the
moody chart. And the relative pipe equivalent roughness is about 0.05[12]. Then refer to the
moody chart as shown in Figure 3-9[13].
Moody Diagram
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY