During coastdown testing of a family passenger car, the following road load drag force characteristic was derived: FRL = 0.392v²+162 Where FRL is given in Newtons, and v, the vehicle speed in m/s. It is desired that the vehicle should have a top speed of 200km/h. Assuming a transmission efficiency of 90%, which of the following engines would be most suitable? Type BMEP (Bar) Maximum Engine Cubic Capacity Speed (rpm) (CC) Normally aspirated SI engine 11 6500 1400 Turbocharged Sl engine 16 6000 950 Normally aspirated Cl engine 8.5 4500 2400 Turbocharged and aftercooled CI 12 4500 1800 engine

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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During coastdown testing of a family passenger car, the following road
load drag force characteristic was derived:
FRL = 0.392v²+162
Where FRL is given in Newtons, and v, the vehicle speed in m/s.
It is desired that the vehicle should have a top speed of 200km/h.
Assuming a transmission efficiency of 90%, which of the following
engines would be most suitable?
Type
BMEP
(Bar)
Maximum
Engine
Cubic
Capacity
Speed (rpm)
(CC)
Normally aspirated SI engine
11
6500
1400
Turbocharged Sl engine
16
6000
950
Normally aspirated Cl engine
8.5
4500
2400
Turbocharged and aftercooled CI 12
4500
1800
engine
Transcribed Image Text:During coastdown testing of a family passenger car, the following road load drag force characteristic was derived: FRL = 0.392v²+162 Where FRL is given in Newtons, and v, the vehicle speed in m/s. It is desired that the vehicle should have a top speed of 200km/h. Assuming a transmission efficiency of 90%, which of the following engines would be most suitable? Type BMEP (Bar) Maximum Engine Cubic Capacity Speed (rpm) (CC) Normally aspirated SI engine 11 6500 1400 Turbocharged Sl engine 16 6000 950 Normally aspirated Cl engine 8.5 4500 2400 Turbocharged and aftercooled CI 12 4500 1800 engine
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