ALL >> Automobiles >> View Article
Diesel Engines Has Travelled A Long Way Since Its Invention In 1893
The first diesel engine was developed in the year in 1893 by Rudolf Diesel and it was named after him. It is simply an internal combustion engine. It became hugely popular with its invention as it is very different and in sharp contrast with petrol or gas engine. These are generally manufactured in two strokes and four strokes version. In the earlier ages of its invention, it was widely used as replacement for the stationery steam engines. Since 1910, these engines were only used in submarines and ships.
From 1930 onwards the use of this type engine widened and it found its use in locomotive, large trucks and electric generating plants. Later on it has also been used in automobiles. From 1970, its use increased to a great extent in larger on and off-road vehicles. In this type only air is initially introduced into the combustion chamber. Then the air is compressed with a compression ratio between 15:1 and 22:1. At about the top of the compression stroke then fuel is injected directly into the chamber using diesel pump and injectors . The heat of the compressed ...
... air vaporizes fuel from the droplets. In early systems, the injected fuel with the assistance of compressed air atomized the fuel forcing into the engine through a nozzle. This process was called an air-blast injection. Today the diesel engine service it is raised to extreme pressures by mechanical pumps. It is delivered to the combustion chamber by pressure-activated injectors with the compressed air. With this direct injection method, the injectors spray fuel through 4 to 12 small orifices in the nozzle.
However, the early air injection diesels had a superior combustion. Due to the low combustion rate of the new engines, research is now being performed and patents are taken out for using some form of air injection. This is mainly for reducing the nitrogen oxides and pollution, reverting to original implementation with its superior combustion. The early engines were operated quietly also. In major aspects the modern ones holds the original design of Rudolf Diesel that is of igniting fuel by compression at an extremely high pressure within the cylinder. However, the present day systems use the so-called solid injection process with much high pressure and high technology injectors. The indirect engines that are used widely could also be considered the latest development of low speed hot bulb ignition engines. The diesel fuel injection repairs systems have been popularized due to the complex process of operation.
A vital component of all engines is the mechanical or electronic governor for regulating the idling speed and maximum speed of the engine. It controls the rate of fuel delivery. To start injection results in higher in-cylinder pressure and temperature. Though higher efficiency is achieved here but it also results in elevated engine noise. Moreover, an increased amount of oxides of nitrogen (NOx) emissions also occurs due to higher combustion temperatures. If the start of the injection is delayed, incomplete combustion takes place and the fuel efficiency also gets reduced. Along with it an increased amount of exhaust smoke containing unburned hydrocarbons also emits.
Add Comment
Automobiles Articles
1. Turbo Flutter: What Causes That Noise?Author: John Rame
2. The Challenges And Risks Of Aftermarket Performance Parts
Author: John Rame
3. How To Keep Your Harley Davidson Bike Clean?
Author: Levi Fysh
4. Car Accessories Store - Your One-stop Shop For Enhanced Driving Experience
Author: Hamish Crotty
5. Get Your Car Serviced Before You Leave For Your Festive Vacation!
Author: Oliver Mertin
6. Learn Safe Driving By Enrolling Your Name To A Driving School
Author: Eleanor Thompson
7. What Are The Benefits Of Registering Vehicles In The State Of Montana?
Author: Mark Drummond
8. Continental Mobility Study 2024 Cars Are A Status Symbol For Many Young People
Author: Lochan
9. Why Choose To Buy New Hybrid Cars In India 2024?
Author: CarOnPhone
10. Key Considerations For Choosing Household Moving Services In Australia
Author: Agarwal Removals Australia
11. How To Choose The Perfect Bobber For Sale - A Buyer's Guide
Author: Levi Fysh
12. Why Should You Invest In Car Accessories? What Are The Popular Car Accessories?
Author: Hamish Crotty
13. Get Top-tier Service From Volkswagen Car Specialists
Author: Oliver Mertin
14. The Impact Of Technology On Driving - A Modern Revolution
Author: Eleanor Thompson
15. The Power Of Community Building In Legal Marketing: Strategies For Success
Author: jamewilliams