Questions tagged [automotive-engineering]
The automotive-engineering tag has no usage guidance.
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Flywheel power vs. Gross power in bulldozers
In product specifications of bulldozers, the manufacturers give several figures for the engine power, such as flywheel power, net power - Net SAE J1349/ISO 9249, ISO 14396 power, and Gross SAE J1995 ...
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Why do some car's A-engine-mounts have bolts vs studs vs both?
I have come across engine mounts of various cars and am just curious primarily related to the "A" engine mounts where some manufacturers use only BOLTS, while some use only STUDS and some ...
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What are parameters are to be considered while selecting Battery Management System?
what are factors to be considered while selecting bms? Does the BMS required change with cell chemistry and cell geometry? if yes, how does it depend. and also How do we determine the placement and no....
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I want to simulate Motor output WRT throttle
I don't have any idea on how to get started. Can you mention required relations and concepts to get started.
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Functioning of compression rings
I have just completed a university course in tribology, but have a question that pertains to real-life applications.
For pistons in combustion engines, the rings seal the combustion chamber from the ...
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3-way differential
I am interested in finding a way to facilitate constant 6-wheel drive utilising a centre differential that splits the torque from the gearbox between the 3 axles while allowing them to vary in ...
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Why engine oils form emulsions?
Oil and water should not get mixed/emulsified according to the rule that similar dilutes similar.
What is the reason that they form an emulsion in crankcases when there is water ingress?
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Why did the Mythbuster's dimple car get better fuel economy?
I'm trying to understand why the Mythbuster's dimple car gets better fuel economy - if it actually would as I'm not
I understand that a golf ball functions by creating turbulent air flow and via the ...
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Modeling Horsepower as a function of engine speed and throttle position in an ICE
I'm a grass roots motorsports guy who is into road racing. I'm doing some precision tuning on the horsepower levels on my car to meet specifics of our rule sets.
I have lots of logged data of ...
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Why does a car generator employs an alternator (i.e. AC) when power supply is provided by a battery (i.e. DC)?
An alternator generates AC current, whereas batteries (as far as I know) provide/are charged with DC current. So I'm wondering, how is this apparent mismatch explained?
Do car manufacturers employ a ...
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How can I control my vehicle’s electric power steering system?
I’m trying to add lane keeping assist and adaptive cruise control to my 2017 Chevrolet Camaro, with the ultimate aim of using Comma.ai’s openpilot (or some other fork) to make my car drive itself. ...
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Diesel vs petrol NOx / PM?
I am interested in the comparison of NOx and particulate matte (PM) for modern (Euro 6) diesel engines vs petrol engines? Are the exhaust products produced by both equally carcinogenic?
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How does 2nd gear create more thrust than 1st gear?
Let’s analyze a vehicle parallel to velocity and forces applying on it.
The 1st gear has a maximum velocity value after which you can’t accelerate more. It means that thrust force on wheels generated ...
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Why are bulldozers so slow?
Tracked-type tractors and bulldozers are very slow engineering vehicles. Their top speed is less than 15 km/h and when pushing it is even lower (< 5 km/h). For example: the Caterpillar D9's top ...
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How does the hydraulic valve system work in excavators?
There are many types of valves used in excavators. Two are important: the main valve and the pilot valve. Is the pilot valve is controlled by the operator and the main valve is controlled by the pilot ...
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