Volvo Penta TAMD42 - Page 110

Engine room, ventilation and sound proofing
108
Area, cm² (square inch)
1. Air consumption, 2. Ventilation air,
diesel engines inlet and outlet
Fig. 1 Calculation of areas
0
100
(134)
200
(268)
300
(402)
400
(536)
500
(670)
kW
(Hp)
210 kW
Ex. 1
400cm²
Ex. 1
Cross section area, cm² (square inch)
0
100
(3.9)
50
(2.0)
150
(5.9)
200
(7.9)
250
(9.8)
300
(11.8)
350
(13.8)
ø mm
(ø in.)
Ex. 1
1
2
Ex. 1. Air consumption duct diameter = 225 mm (9.8")
Ventilation duct diameter = 210 mm (8.3")
1000(155)
800(124)
600(93)
400(62)
200(31)
800(124)
600(93)
400(62)
200(31)
347cm²
Ex. 1
Fig. 2. Conversion of area to diameter