Esp CalCULATION DATA SHEET Final

IN.WG PR.LOSS IN STRAIGHT DUCTS PRESSURE LOSS IN ELBOWS PRESSURE LOSS IN REDUCERS

= = =

20% SAFETY FACTOR

=

TOTAL PR.LOSS

=

0.0349 0.0051 0.0227

PASCALS 8.6899 1.2629 5.6601

0.0125

3.1226

0.0752

18.7356

S.NO

ITEM

REFRENCE

SIZE IN mm W

H

200

150

FLOW RATE LENGTH IN L/S M

SIZE IN in W

H

8

6

LENGTH EQUIVALENT DIA IN FT

FLOW RATE CFM

PRESSURE PRESSURE PRESSURE LOSS LOSS/100FT LOSS (IN.WG) (PASCALS) CLICK HERE

1

STR.DUCT

A-B

2

STR.DUCT

B-C

3

STR.DUCT

C-D

4

STR.DUCT

E-F

47

28

91.8

7.6

100

0.038

0.0349

8.69

=

0.0349

8.69

Coefficiant-C

FLOW RATE M³/s

VELOCITY IN FPM

0.21

0.28

622

TOTAL FRICTION LOSS IN STRIGHT DUCT

PRESSURE LOSSES IN ELBOWS SIZE IN mm S.NO

ITEM

REFRENCE

1

ELBOW

EL-1

2

OUTLET

Width(W)

Height(H)

300

300

FLOW RATE RADIUS OF L/S ELBOW(r) 284

150

CLICK HERE

R 

300

θ

H/W

R/W

1.0

1.0

FITTING VELOCITY LOSS(IN.WG) = PRESSURE(Vp) CxVp 0.0242

0.0051

PRESSURE LOSSES IN ELBOWS SIZE IN mm S.NO

ITEM

REFRENCE

1

ELBOW

EL-1

2

OUTLET

Width(W)

Height(H)

300

300

FLOW RATE RADIUS OF L/S ELBOW(r) 284

150

CLICK HERE

R 

300

θ

H/W

R/W

1.0

1.0

Coefficiant-C

FLOW RATE M³/s

VELOCITY IN FPM

0.21

0.28

622

TOTAL PRESSRE LOSS IN ELBOW

FITTING VELOCITY LOSS(IN.WG) = PRESSURE(Vp) CxVp 0.0242

0.0051

=

0.005

FITTING LOSS(PASCALS) 1.26

FITTING LOSS(PASCALS) 1.26

1.263

SIZE IN mm S . NO

ITEM

REFRENCE W

H

500 200 400 200

300 200 300 200

FLOW RATE L/S

VELOCITY PRESSURE

30

300

0.12786

30

100

0.01421

ANGLE (θ)

1

REDUCER

RD-1

2

REDUCER

RD-2

3

REDUCER

RD-3

30

150

4

REDUCER

RD 4

30

800

SIZE IN mm S . NO

ITEM

REFRENCE W

H

500 200 400 200

300 200 300 200

FLOW RATE L/S

VELOCITY PRESSURE

30

300

0.12786

30

100

0.01421

ANGLE (θ)

1

REDUCER

RD-1

2

REDUCER

RD-2

3

REDUCER

RD-3

30

150

4

REDUCER

RD-4

30

800

5

REDUCER

RD-5

30

200

6

REDUCER

RD-6

30

500

7

REDUCER

RD-7

30

600

8

REDUCER

RD-8

30

800

9

REDUCER

RD-9

30

200

10

REDUCER

RD-10

30

300

AREA-1 (A1) sqf 

AREA-2 (A) sqf 

A1/A

1.67

0.44

3.8

0.06

0.00767

1.33

0.44

3.0

1.06

0.01506

CLICK HERE COEFFICIANT

ENTER DUCT ENTER SIZE DUCT SIZE

PRESSURE LOSS IN "IN.WG"

2.06

ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE ENTER DUCT ENTER SIZE DUCT SIZE

TOTAL PRESSURE LOSS

=

0.02273

PRESSURE LOSS IN "PASCALS" 1.91029 3.74984

5.66013

1 EQUI.DIA = (WxH) POWER 0.625)/(W+H)POWER 0.25 W = WIDTH OF DUCT H = HEIGHT OF DUCT 2 TOTAL PRESSURE LOSS IN FITTING = C x Vp C = FITTING LOSS COEFFICIANT Vp = VELOCITY PRESSURE 3 1 IN.WG = 249 PASCALS 4 1L/S = 2.119 CFM

FLOWRATE AREA VELOCITY VELOCITY

1 0.28 0.09 3.16 621.64