Jubin V Jose

15 Questions 19 Answers 0 Followers

Questions related from Jubin V Jose

Understanding Methanol Slip in Spark-Ignited Engines: Causes, Discrepancies with Compression Ignition, and Remedies?

What factors contribute to methanol slip in spark-ignited engines during neat methanol operation? Why is it more prominent compared to compression ignition operation? Additionally, what...

10 September 2023 2,302 0 View

Why racing car engines are much more efficient than conventional engines?

"Mercedes' Formula 1 engine has hit a landmark achievement on the dyno at the team's Brixworth factory after breaking the 50% thermal efficiency barrier for the first time. " What is the reason...

14 December 2019 5,434 3 View

How to operate the engine in stratified mode?

I wish to know if anyone could help me in understanding how to operate an engine in stratified mode. Do we need to go for double injection or can we depend fully on late injected fuel quantity.

25 August 2019 8,865 5 View

What is the maximum & minimum brake thermal efficiency of a Electric power train on an automobile?

Since in India 76% of the electricity is produced from coal I am just wondering what will be the brake thermal efficiency of these power trains! We have ............... Combustion efficiency of...

11 July 2019 5,758 7 View

Kg/s to FSN conversion?

I wish to convert my data in kg/s to Filter smoke number value. Can anyone help me in this regard.

13 May 2018 169 5 View

Compressed air engines? New look at an old idea! ?

Can we convert old IC engines with high pollution to compressed air engines. Changes required only for intake system and cam shaft. Only expansion and exhaust will be there. I believe this is...

11 February 2018 4,143 9 View

Can vibration induce turbulence in a laminar flow?

I read in one fluid dynamics text that flow can remain laminar even up to 8000 to 10000 Reynolds number when it flow through a pipe. If the medium is undisturbed and surface is smooth enough. So i...

10 February 2018 7,141 17 View

Tumble ratio in engines ?

What is the importance of tumble ratio in a GDI engine. In my study i can see variation in tumble ratio for different injection timings. Tumble ratio at what point is more relevant. Either spark...

09 February 2018 2,094 4 View

Injection timing and incylinder temperature?

Can injection timing affect incylinder temperature at the time of combustion in a GDI engine. If so can it have influence on NOx formation in GDI Engine.

05 February 2018 8,941 5 View

What is the difference between RANS and LES ?

Among RANS and LES which one is the best for simulating transient flow in IC Engine.

02 February 2018 8,462 10 View

Is Electric Cars Really Green?

Are electric cars greener than conventional gasoline cars? If so, how much greener? What about the CO2 emissions produced during electric cars' production? And where does the electricity that...

29 January 2018 3,812 4 View

How engine control unit sense speed and do crank angle resolved injection/ignition?

Engine speed estimation and triggering injector or ignition system in crank angle resoled mode is an important part of ECU development ? I wish to know how it is done? Can anyone provide good...

26 January 2018 2,279 2 View

Water injection is it a solution for reducing in-cylinder NOx?

Recently i came to know that water is injection is giver greater emphasis in the research for reducing in-cylinder NOx. I wish to know how good it is and what are the demerits involved.

23 January 2018 2,892 3 View

Can we charge electric cars while it is running?

Is it possible to develop a technology which will either work in electromagnetic principle or laser energy transfer or.. Which can be used to charge an electric car while running. Or even the...

01 January 1970 6,789 2 View

Toyota to Grant Open Patent Access to Drive Industry Uptake of Hybrid Vehicle Technology- Why it's Important?

https://www.linkedin.com/pulse/toyota-grant-open-patent-access-drive-industry-uptake-kevin-f-brown/

01 January 1970 5,435 2 View