Questions tagged [combustion-cycle]
The combustion-cycle tag has no usage guidance.
17
questions
2
votes
0answers
86 views
jumping RPMs around 60-100kms when i push it harder , lower acceleration due to this issue
I've got a 2001 Honda Civic 1.7L 4cyl. engine with an automatic transmission. My issue with it is mainly I find when accelerating faster, like merging on a highway, if I try to push it until it ...
1
vote
2answers
42 views
Simple Question: During combustion stsgep do the piston go up all the way?
Does the piston reach the max height the piston can go without fuel or oxygen I would think it can't because the oxygen molecule being squeezed in the middle. I'd say it almost fully go up but not ...
1
vote
1answer
60 views
What actually occurs between the fuel, and air molecules during combustion?
During atomization the fuel still remains in liquid form, it's just broken up into small droplets consisting of multiple fuel molecules.
Once this mixture of fuel droplets, and air is inside the ...
2
votes
2answers
84 views
Is it possible for me to see oxygen, caused by valve overlap, in the exhaust gases?
Recently I put my car on the 4 gas analyser, and it gave me these results at idle:
CO2: 10.64 %
CO: 4.98 %
O2: 1.94 %
HC: 148 ppm
Lambda value: 0.93/13.7AFR
I have to mention that it concerns ...
0
votes
3answers
109 views
Why can't they add more gas particles to the pressure higher to force a piston down! [closed]
I know that car engines rely on expanding gas to cause pressure to force the piston down. My question is during the compression state, why can't they add more gas/air to cause more pressure and force ...
1
vote
3answers
106 views
What would happen when if fuel is added during the combustion process?
What would happen when more fuel is added during a combustion process? Will the time of combustion decrease or increase or stay the same?
4
votes
1answer
61 views
During Combustion how important is it to have an even burn?
During the combustion stage, How important is it to have the entire gas heated at the same temperature? And how can you go about getting the best result? Also do the kinetic energy of a gas change ...
10
votes
1answer
297 views
More In Cylinder Pressure Testing Questions
So I was looking at a 06 Pontiac G6 2.4l with a complaint of low power on hills. Had been at another shop to have the transmission checked and they referred the customer to us.
Road test confirms car ...
3
votes
5answers
293 views
Could Hydrogen Be Used as a Fuel?
I understand that it may be easier/cheaper to us fossil fuel but hypothetically could hydrogen gas be effective as a fossil fuel replacement for internal Combustion Engines? Would we need to care ...
4
votes
0answers
59 views
1st and 2nd cylinder not combusting in dual carburetor'red setup
So I have a Maruti Esteem engine with a dual carburetor on an engine dyno and everything was already installed when I joined this lab. We seem to have a problem when trying to fire the engine. 1st and ...
0
votes
1answer
1k views
How long do the entire combusting cycle take?
I know that when the gas combust it do so in millisecond. But I find it very hard to believe it goes though that entire process that fast. The piston is still a mechanical part and will add a lot of ...
0
votes
1answer
36 views
How much pressure in ATMs is acting when a combustion happen?
When a combustion happens inside the chamber how much pressure is the moles exerting inside the close container? How could one figure this out?
14
votes
4answers
7k views
Do pistons keep moving when the car stops?
When you are driving and stop at a light, do the pistons still move up and down due to combustion? If not how will the engine know when to combust the fuel to keep it moving?
8
votes
2answers
673 views
Why do combustion chamber combustion gasses turn the engine when it only burns?
I asked this because if I have a small portion of fossil fuel and light it, the fuel will only burn. But inside a combustion chamber of a vehicle this same combustion will propel the piston downward ...
6
votes
3answers
195 views
Steam Engines - What are these things?
I know that steam engines are considered to be old fashioned, impractical and rarely used.
Why are they considered impractical therefore rarely used?
How exactly might a steam engine work to power a ...
6
votes
1answer
665 views
External Combustion Engines - What are these things?
What are external combustion engines?
How do they work?
What types of external combustion engines are there?
What are all the common advantages and disadvantages of external combustion engines in ...
5
votes
1answer
540 views
What are the basics of the combustion cycle in wankel (rotary) engines?
I'd like to understand more intimately the basics of the wankel engine combustion cycle. What I find interesting is:
Simplicity of design
Use of ports for intake and exhaust
Conversion of energy to ...
