Read about automotive | 18 Discussions | Page 1

  1. E

    What tests should I do for lightening an ev chassis

    Hi, I am an engineering student and for my project I have decided to try and improve the range of ev through chassis lightening, the main point I'm focusing on is using a carbon fibre material, so I was just wondering if anyone could tell me what kind of tests I would need to do on Ansys or...
  2. P

    Automotive Vehicle Parking Brake Test on a Slope [How Convert to a Flat Ground test?]

    Vehicle Mass : 3 tonnes Manufacturer's instruction is to test vehicle's parking brake effectiveness is to engage parking brake on 30.96 degrees slope. If it holds, it is effective. I do not have 30.96 degrees slope & I want to replicate the same test on flat ground. I was thinking of...
  3. vr-marco

    Automotive Tametire tire model by Michelin

    Hi there! Is anyone familiar with the Tametire tire model by Michelin? I understand it is based on the brush model and can take into account thermal and pressure properties of a tire. I was able to find only a very basic article online, but not a full description of how this model is able to...
  4. J

    Calculating motor size for a project, help please

    Hello all, I have a project in which i need to design a small vehicle which is able to carry 4kg for 10 meters. I have took it up to 5kg as the frame and wheels add up too 1kg. So the total weight will be 5kg. Acceleration isn't a priority, but 0.5 m/s I would be fine with. The wheel have...
  5. Jason Louison

    Engine Finite Heat Release Model (With Heat Transfer) Help

    Hello Physics Forum Users! I have an annoying situation with the Finite Heat Release Equation used to simulate combustion and expansion processes in an internal combustion engine. The equation is as follows: Nomenclature: P = Cylinder Pressure (kPa) θ = Crank Angle (Deg) k = Specific Heat...
  6. A

    Auto Timing Belt Tooth Profile

    Have not been here for many years. I am a retired chemical engineer who loves to work on cars but I know my limitations! Subaru uses two timing belt designs on their 2.5 SOHC non turbo engines. The Forester/Impreza platform uses a modified curvilinear belt and the Legacy/Outback platform uses a...
  7. mattyboson12

    Material selection for vehicle leaf spring

    Homework Statement I've gone though a material selection process to pick the optimum material for a rear leaf spring suspension for a vehicle (~700mm long) and I've selected the top 10 materials based on fatigue, fracture, toughness, cost, yield etc: -Stainless steel, martensitic, AISI 440B...
  8. electrodruid

    What factors affect car braking distance?

    I'm a game programmer trying to write code to simulate a variety of cars braking at different speeds and on surfaces with different coefficients of friction. For now, consider that I'm interested in a fairly wide range of cars (people carriers, hatchbacks, saloons, sports cars etc) but that...
  9. 4

    B How to Reduce Air Drag for Vehicles?

    Hello everyone! I was thinking about how to reduce air drag for a vehicle so that one gets better mileage. Here is the definition of the problem: A moving car faces air drag especially at high speed. The resistance of the air layers would try to slow down the car. In order to maintain the same...
  10. H

    Height adjustable Shock absorber possible?

    Greetings, in my total distraction of designing the ultimate Off-road/Overland vehicle, I've been thinking about the following matter: Is it possible that a vehicle can be raised/lowered by pumping/removing extra oil into the shock absorber? And if so, would it affect the ride? Could it be...
  11. Karan Dua

    Transmission System

    Hey guys, I am a bit confused while calculating top speed of the car using gear ratio, Torque, Power and Engine Speed(RPM). Can someone help me out with this? Specifications are given as follows: Maximum Torque : 19.2 N-m @ 3800 RPM Maximum Power : 10 Hp @ 2800 RPM Tire Specifications: 25x8...
  12. E

    Torque Analysis for Electromagnetic Retarder on MAXWELL 3D

    Hello everyone! I have a thesis about electromagnetic retarders. I need to do torque analysis for retarder; but I don't know how to do it on Maxwell 3D. I've tried Eddy Current solition; but analysis results didn't comply to electromagnetic retarder's torque charasteristic. Could anyone help me...
  13. Greg Bernhardt

    Contest for Physics for Gearheads textbook

    We're giving away 3 copies of Physics for Gearheads You have 3 ways to win a copy. At the end of April we're going to : 1. Take the top 5 posters (for April) who are Gold members and pick one randomly. 2. Take the top 5 posters (for April) from the Engineering forums and pick one randomly. 3...
  14. C

    Measuring the resistance of a button

    I need to measure the resistance of a button on a car steering wheel, so my question is: how do I measure the resistance of a steering wheel button using a digital multimeter? I don't currently have the steering wheel installed yet, so can I measure the resistance of the buttons without the...
  15. S

    Engines' aggragated technical data for a presentation

    Hi everyone! I am trying to make a presentation concerning up to date internal combustion engines for different applications (light duty/passenger cars, heavy duty, marine/low rpm, aviation etc). I don't need any charts just sheer numbers of power, capacity, weight, engine dimensions...
  16. A

    Overall Heat transfer coefficient for a radiator

    Hello all. I need to design a radiator for 43kw heat dissipation. I have used the LMTD method for finding out the contact surface area of the radiator. But I have a small problem. I cannot find the area unless i know the overall heat transfer coefficient. Can somebody please give an estimate of...
  17. T

    Basic Vibration Damping and Isolation

    Hello, I am studying and trying to understand Powertrain / Engine mounts used in automotive such as these: http://images.gasgoo.com/MiMwMDRfMDA0Izc4MDA3NzIwMA--/auto-part-engine-torque-strut-mount-engine-mounting-for-buick-enclave-chevrolet-traverse-gmc-acadia-25840458.jpg...
  18. A

    Need some help deciding Final Year Project Ideas welcome

    Hi I'm about to start my 3rd year in my Engineering university and would like some ideas for my Final Year project... We have 2 options. We can either make a model/prototype of something and present it OR we can do a research on a particular field. I'm leaning more towards the research side...
Top