write conversation between cng and diesel cng- diesel - cng-.continue
Answers
Differentiating petrol, diesel and CNG engine is not a simple task as each of them has its pros and cons. We can take a drive through the engine history, the types, how they function, the fuels used and pollution caused by different engine types. Based on the facts and figures of this analysis we can reach a comparison.Engine- a mechanism developed to transfer energy or convert energy from one form to another form. Confusing statement? In simple words, an internal combustion engine burns the fuel inside the cylinders creating thermal energy and in turn, it is converted to kinetic energy. We can keep our focus on internal combustion engines for the reason, these are on which the world is moving over a century.
The saga of the internal combustion piston engine starts by 1807 by de Rivaz. Later Etienne Lenoir invented an internal combustion engine by 1860, which became a large success. By 1885 -’86 Karl Benz invented and patented the first commercially successful automobile and the R & D continue by different automobile companies to achieve the best performing engine which has both power and efficiency.
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Explanation:
Compared to diesel and even to petrol, natural gas creates far less nitrogen oxides (NOx) and particulate matter (PM) when combusted. The combustion process is also quieter. CNG is therefore a better 'urban' fuel than diesel. Lower CO2 emissions, both tailpipe and well-to-wheel.
Retrofitted car engine runs on lower BSFC when using CNG than on gasoline. The CNG has an advantage of higher brake thermal efficiency on an average of 1.1% and 1.6% than that of gasoline. The engine exhaust gas temperature produced by the CNG burning is always higher as compared with that of the gasoline.
When gasoline and diesel mix, gasoline changes its flash point as quickly as it starts mixing. As a result, diesel fuel will suffer a lower flash point, leading to a premature engine ignition, which can lead to serious engine damage in the long run.
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