HEV L-11: Mathematical Models to Describe Vehicle Performance | vkvsir

Full Lecture repository at shorturl.at/DWVHj
This lecture will help you to understand the Mathematical Modeling of Vehicle Performance in Hybrid and Electric Vehicles.
If you have not watched the previous lectures, watch them now from the below links
Lecture 0: • Electric car in India ... ​
Lecture 1: • Hybrid and Electric Ve... ​
Lecture 2: • History of Electric Ve... ​
Lecture 3: • History of Hybrid Vehi... ​
Lecture 4: • Air Pollution | Enviro... ​
Lecture 5: • Petroleum Resources | ... ​
Lecture 6: • Impact of Modern Drive...
Lecture 7: • Basics of Vehicle Perf...
Lecture 8: • Grading Resistance | A...
Lecture 9: • Vehicle Power Source C...
Lecture 10: • HEV L10: Transmission ...

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Try following questions and Answer in the comment below Question 1: On a 20°C sunny day with no wind speed, and an air density of 1.2 kg/m3, a 1500 kg vehicle travel along an asphalt roadway with a 6° grade at 100 km/h and a rolling resistance coefficient of 0.013. The vehicle center of gravity is located 0.6 m from the ground in the center of the 2.5 m wheelbase with 0.66 m wheels and has a frontal area of 2.05 m2 and a drag coefficient of 0.32. Calculate the aerodynamic, grading, and rolling resistance. Question 2: After some engine and transmission performance upgrades, the same vehicle is taken to a test track to find out the new vehicle top speed. The upgrades have increased engine torque to 450 Nm and engine horsepower to 300 kW and an overall powertrain efficiency of 88%. After the upgrades, the minimum gear ratio of the transmission is 0.9, and the differential gear ratio is 3.21. Calculate the maximum speed of the vehicle. Question 3: The same vehicle travels along a level asphalt roadway at 100 km/h, with a coefficient of road adhesion of 0.72, and encounters a large obstacle 50 m ahead and needs to stop to avoid striking the obstacle. Calculate the braking force at the front and rear wheels that is required to stop just before the obstacle.

[@ashajay7603]

Sir ur explanation is very nice, but explaining the concept with the English language for my education purpose is easy to understand

[@sachinosawar505]

Thank you sir for giving superb classes...

[@Ajroyalclub]

You are great sir

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Thanks for your feedback. Your full access on www.vkvsir.com is approved

[@bhushanjadhav7390]

Thnx, good explanation ❤️

[@antimakesherwani6797]

🙏Sir Start rest lecture on ev sector please Your lecture is very useful

[@lavleshyadavkepaskoibaatna4894]

Very very thanku sir

[@lavleshyadavkepaskoibaatna4894]

Nice video sir 😊

[@chiragsaini4297]

Sir jo ye aapki automobile wali playlist series hai vo itni hai kya ya isse aage bhi hai

[@LearnwithVishal33]

Nice explanation sir.

[@vkvsirdotcom]

Thank you for your feedback. Your full access on www.vkvsir.com is approved

[@sudhakarch55]

Nice information

[@whatsappkiduniya4117]

sir lec -10 ke baad or lecture ka video upload kr digye plz..

[@Zee_bikers]

And next unit 4.5.6 and 7

[@Ajroyalclub]

Please sir i need Auto mobile engineering all video ppt and pdf

[@sarkarimitraa]

Sir I am following your Automobile playlist since 1 month, but you didn't making updated video about latest car technology, for ex: Automatic, electric vehicle. And how I can update myself with latest car technology?

[@vkvsirdotcom]

Will try to make it soon dear.

[@sarkarimitraa]

@@vkvsirdotcom OK Sir thanks for your support! and Sir what branch is best to choose after diploma in automobile engineering for Automatic & Electric cars or futuristic cars. Sir please suggest

[@Zee_bikers]

Next topic

[@thepurushottamsinha]

❤❤❤

[@Zee_bikers]

Hlo sir