Mechanical Engineering - IC Engines and Nuclear Power Plants - Discussion
Discussion Forum : IC Engines and Nuclear Power Plants - Section 1 (Q.No. 44)
44.
The thermal efficiency of diesel engines on weak mixtures is
Discussion:
20 comments Page 1 of 2.
Ankush singh said:
1 decade ago
Weak mixture is not sufficient for proper burning so why thermal efficiency is higher.
Uche said:
1 decade ago
Weak mixture has low combustibility and therefore requires a very high combustion temperature for combustion to be possible.
RIGHT said:
1 decade ago
Weak mixture has low combustibility and therefore requires a very high combustion temperature for combustion to be possible and if compression ratio increases efficiency increases.
Himanshu said:
1 decade ago
The extremely weak air - fuel mixtures lead to lower combustion temperatures. While lean-burn gas engines offer higher theoretical thermal efficiencies, transient response and performance may be compromised in certain situations.
Anmol said:
1 decade ago
Weak mixture means lesser cut off ratio and as cut off ratio decreases efficiency increases.
Pranesh said:
1 decade ago
Weak mixture leads to less peak temperatures which means less gamma and therefore less efficiency.
Akash said:
10 years ago
Weak mixture ensures the complete combustion of fuel so fuel economy increases and hence thermal efficiency.
Aman Pandya said:
10 years ago
There is no mixing of fluids in case of diesel engine.
Rajesh kumar said:
9 years ago
No required mixture in case diesel engine, only the fresh air inlet in combustion chamber burning by atomized diesel.
Umakant Y. Gaidhane said:
9 years ago
Weak mixture results to complete combustion of fuel because each fuel particle carrying sufficient oxygen to burn it completely.
So, the complete combustion results of higher thermal efficiency.
So, the complete combustion results of higher thermal efficiency.
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