Smoke in exaust
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
Smoke in exaust
Thread was closed, but I wanna add something....
Smoke test really exists here in Europe, it is optical test, but!!!!! Diesel engine may really have 0.5-2% of solid dust in exaust, but if gasoline engine has more then 0.2% of smoke in exaust it can not pass any other test. It is engine with DEAS oxy sensor, ore burning oil. CxHx is so high that smoking gasoline engine can not pass any emission test!!!!! Whight water steam in exaust is not a problem only! Black smoke - CxHx and CO emissions are so high!!! Blue smoke - engine birns oil!
So if you can see no smoke visually (emission tester reads less then 0.2%) worry about nothing!
Smoke test really exists here in Europe, it is optical test, but!!!!! Diesel engine may really have 0.5-2% of solid dust in exaust, but if gasoline engine has more then 0.2% of smoke in exaust it can not pass any other test. It is engine with DEAS oxy sensor, ore burning oil. CxHx is so high that smoking gasoline engine can not pass any emission test!!!!! Whight water steam in exaust is not a problem only! Black smoke - CxHx and CO emissions are so high!!! Blue smoke - engine birns oil!
So if you can see no smoke visually (emission tester reads less then 0.2%) worry about nothing!
Post Fiend
Joined: Apr 2005
Posts: 5,720
Likes: 5
From: Washington state
the best money making OTR hwy truckers now have none to little black smoke coming out of the diesel stacks. sign of a good operator owner maximizing his profits and minimizing excessive diesel fuel use.
computer diesel engine power management has much to do with it. the engines produce far more horses and torque for the same amount of fuel and the engines last far longer due to little engine oil fuel dilution from too rich injection.
black smoke out the exhaust is lost money.
you won't see a black smoke diesel electric any longer on the rails either.
only boy toy diesels spew lung killing black particulate smoke, the coal miner killer.
personally, i can use far less sulfuric and nitric acid in my lungs
here's what my new Dodge diesel will look like when it's built out
YouTube - Diesel Truck Pull, Wilmington Ohio
gonin name it after Al Yankovic, "Just Eat It"
Big Rig that will ruin your day on the Grape Vine or Donner Pass
YouTube - big rig truck pull
Put on yur gas mask and stay way back
YouTube - Twin Blown and Quad Turbo Diesel Truck
280 mph of Shock Wave Bad A?? trucker coming to a freeway near you
YouTube - 2006 AirPower Over Hampton Roads - Shockwave - Friday
computer diesel engine power management has much to do with it. the engines produce far more horses and torque for the same amount of fuel and the engines last far longer due to little engine oil fuel dilution from too rich injection.
black smoke out the exhaust is lost money.
you won't see a black smoke diesel electric any longer on the rails either.
only boy toy diesels spew lung killing black particulate smoke, the coal miner killer.
personally, i can use far less sulfuric and nitric acid in my lungs
here's what my new Dodge diesel will look like when it's built out
YouTube - Diesel Truck Pull, Wilmington Ohio
gonin name it after Al Yankovic, "Just Eat It"
Big Rig that will ruin your day on the Grape Vine or Donner Pass
YouTube - big rig truck pull
Put on yur gas mask and stay way back
YouTube - Twin Blown and Quad Turbo Diesel Truck
280 mph of Shock Wave Bad A?? trucker coming to a freeway near you
YouTube - 2006 AirPower Over Hampton Roads - Shockwave - Friday
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
this low is a copy of European Euro-III regulations. Euro-III semis has exaust filters. They collect solid carbons and burn them away later produsing CO2. Electronically controlled diesel having black smoke usually has zero CO emissions, becouse to burn CO to CO2 lower temoeratures are required. But black smoke is not so dangerouse like NxOx. If black smoke is so dangerouse why coal minings workers do not die after a week of work?
But NxOx emissions of diesel are really harmfull. The first way to reduse them is EGR, but EGR decreases hospower and if fuel is bad, especially with sulfur EGR cause deposits in cylinders and cylinder head.
Now turbocompaund appeared - exaust gas rotates turbine passing power to cranckshaft , but it does not solves problem fully.
SCR - selective catalistic reduction really works. There is one additional tank with urea mixture on truck. Cheap way. Called AD-blue in Europe.
So as I can understand California provides Euro-III and Euro-iV emission standards in the USA. Making engines for Europe Cummins makes Euro-III diesel, Volvo trucks makes Euro-V diesel.
But NxOx emissions of diesel are really harmfull. The first way to reduse them is EGR, but EGR decreases hospower and if fuel is bad, especially with sulfur EGR cause deposits in cylinders and cylinder head.
Now turbocompaund appeared - exaust gas rotates turbine passing power to cranckshaft , but it does not solves problem fully.
SCR - selective catalistic reduction really works. There is one additional tank with urea mixture on truck. Cheap way. Called AD-blue in Europe.
So as I can understand California provides Euro-III and Euro-iV emission standards in the USA. Making engines for Europe Cummins makes Euro-III diesel, Volvo trucks makes Euro-V diesel.
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Post Fiend
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From: Kiev, Ukraine
Mountain Pass
Joined: Jan 2008
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Much, if not most of the reduction in diesel emissions has occurred as a result of a 95% reduction in sulfur and particulates in diesel refinement. And diesel fuel continues to be refined further and further, that combined with better diesel catalytic converters/exhaust filters will eventually bring the more efficient diesel engine up to the level of gasoline engines in low emissions. And if you factor in the better gas mileage they get (due to their superior efficiency), their net emissions per mile will probably be better than the best gasoline engines.
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Post Fiend
Joined: Oct 2005
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From: Kiev, Ukraine
their net emissions per mile will probably be better than the best gasoline engines
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But diesel fuel is more expencive! I wanted to convert my aero to diesel after experiments with friend's vans, but no there is no reason. Return of investment period after this engine swap is about 5 years. And I'm not sure that difference will be like today. I see difference increases. 7 years ago diesel was the cheappest fuel in Europe, now the most expencive.
Nowdays real way out is NG.
__________________________________________________ _____________________
But diesel fuel is more expencive! I wanted to convert my aero to diesel after experiments with friend's vans, but no there is no reason. Return of investment period after this engine swap is about 5 years. And I'm not sure that difference will be like today. I see difference increases. 7 years ago diesel was the cheappest fuel in Europe, now the most expencive.
Nowdays real way out is NG.
