29-09-2012, 12:23 PM
04-05-2013, 12:16 AM
hi
very goonnnjjj
04-05-2013, 09:25 AM
To get full information or details of new generation of two stroke engine please have a look on the pages
http://seminarprojectsshowthread.php?mode=linear&tid=16930 https://seminarproject.net/Thread-valved...-expansion https://seminarproject.net/Thread-two-st...engine-ppt https://seminarproject.net/Thread-two-st...es-details https://seminarproject.net/Thread-two-st...#pid135512 https://seminarproject.net/Thread-a-new-...oke-engine if you again feel trouble on new generation of two stroke engine please reply in that page and ask specific fields in new generation of two stroke engine
04-05-2013, 10:05 PM
:):):):):):):):):):):):):):):):):):):):):):):):):)
20-05-2013, 02:48 PM
A new generation of two stroke engine
A new generation.docx (Size: 1,009.06 KB / Downloads: 63) INTRODUCTION Since the creation of the snowmobile in 1960 by JArmand Bombardier in Quebec, Canada, this product knew a quick popularity throughout the country and North America. With an annual average snowmobile sale in Canada of more than 57000 units on the last twelve years, this winter sport as an important economic impact. In Canada only, this sport generates $6 billion annually. This situation is proportionally the same in the province of Quebec. Each year, about 800000 persons practice snowmobiling throughout Quebec and its also an appreciate activity by tourists by this way the total direct economic repercussions are estimated at 752 M$ . However, all this circulation involve significant consequences. Since december 1st 2004, the court of Quebec ordered a judgement prohibiting the snowmobiles on approximately thirty-eight kilometers in the Mont-Tremblant area on the linear parc of “Le Petit Train du Nord”. This legislation came from complaints of owners, living a few hundred meters away from the path, that consider unacceptable the noise emitted by the snowmobileseverytime of the day [4]. This judgement had big consequences on the snowmobile tourism industry and several jobs were in danger. To resolve this situation and to assure the survival of the region winter tourism, new technological solutions must be used. Those solutions must provide the enthusiasts with good performances while being environmentally friendly. PERFORMANCE THE ALTERNATIVES By talking with snowmobilers, we found which characteristics we were going to focus on when working on our sled. All the people are convinced that the power, the torque and the acceleration of the snowmobile are the most important things. The competition needs us to develop a balance between environment and consumer’s demands. How could we make this? First of all, we have to analyze what technologies are available that offer power, that are light weight and have good noise and pollutant emissions. •Two stroke engine •Four stroke engine •Two stroke semi-direct injection engine •Two stroke direct injection engine •Diesel compression technology The 2-stroke engine is the best engine based on power to weight ratio. It has a good acceleration and powerful torque. However, the biggest problem with the two-stroke engine is certainly its level of pollution. The snowmobile emissions test clearly shows that the 2-stroke engine pollutes more than the 4-stroke. This study presents a different type of engine called 2- stroke DI. DI meaning direct injection. It suggests that this new technology will reduce emission from 25 to 35 percent inferior than those of a 4-stroke engine. This process is now available on marine engines and watercrafts and they surpassed the 4-stroke standards. The 4-stroke has a lot of advantages too. It is reliable and as low pollutant emissions which make it a good choice. After examining all the information for every engine, we decided to base our modifications on the consumer’s and environmentalist’s demands.
13-07-2014, 08:36 PM
any changes made in lubrication...ie whether the old method of mixing oil and fuel prevail here ? plz reply to me ... amalasok018[at]gmail.com
thank you..
14-07-2014, 10:20 AM
To get full information or details of A new generation of two stroke engine please have a look on the pages
https://seminarproject.net/Thread-a-new-...oke-engine https://seminarproject.net/Thread-new-ge...e-download if you again feel trouble on A new generation of two stroke engine please reply in that page and ask specific fields in A new generation of two stroke engine
11-01-2017, 10:12 AM
Hi iam subbu ,i need the information about the next generation two stroke engines
04-02-2017, 11:23 AM
Next Generation 2-Stroke Engine ABSTRACT Are the two-stroke bikes ready for a comeback? With a new development, they can compete with four times in emission cleaning, complete economy and driving ability, maintaining the advantages of power, size and weight. Now days this is the age four-stroke engme. Due to its various advantages like mileage, power and one of the biggest advantages is that it is emission. And therefore it is certified that it is cleaning and it becomes very low contamination. Due to this the two-stroke engine is left out of the market. All giant companies turn to four-stroke engines. At this stage there was no demand for two-stroke engine, due to the concentrated effort of an Australian based Orbital Engine Company take a giant leap, it took back the two-stroke engine technology, taking advantage over the four stroke engine at all the aspects. And that is linked with the biggest car companies like Peugot, Aprila and Bajaj as well. This technology is not limited only to two wheels, but also on four wheels like BMW and Ford as well. INTRODUCTION When the two-stroke motorcycle arrives at the cruise races. Two-stroke bikes have always taken the lead. But their harmful emissions forced the Environmental Protection Agency to ban them from rallies in America. Finally after a long wait two times returning to the circuit with a total redesign of the engine, its fuel injection system, and working. This was possible due to the concentrated effort of an Australian organization, the Orbital Engine Company, which was pioneer in the development of the system of direct fuel injection in cylinder, that reduces the emission level but also increases the power. In addition, the redesign of the combustion chamber and valve mechanism by Honda & Bimota have allowed them to run the engine without spark plugs! In the two-cycle basic duty cycle, fuel enters the cylinder through the intake port from one side of the cylinder and pushes spent exhaust gases out of the exhaust port on the opposite wall of the cylinder at the same time. This causes the fuel to mix with the exhaust gas. A certain amount of exhaust gas invariably remains in the cylinder as the fresh charge comes in. When the spark plug ignites the fuel mixture, some fuel is isolated from the flame by the exhaust gases still in the non-vague cylinder Va. In this way two basic disadvantages arise: incomplete combustion of the fuel at low revolutions of the engine, and expulsion at high revolutions of the engine. On the other hand, the oil injected into the engine to lubricate the crankshaft also removes combustion. This produces more pollution than allowable limits. Some new technologies have been producing waves in high-performance 2-stroke engines. The three different innovations that compete for the right to save future Two times are direct fuel injection, exhaust check valves and active radial combustion. CONVENTIONAL OF TWO MOTORCYCLES The air or charge is drawn through the spring loaded inlet valve when the pressure in the sump is reduced due to the upward movement of the piston during the compression stroke. After the compression stroke, ignition and expansion take place in the usual manner. During the expansion stroke, the crankcase air is compressed. Near the end of the expansion stroke piston discovers the exhaust port And the cylinder pressure falls to the atmosphere when the products of combustion leave the cylinder. Further movement of the piston uncovers the transfer port, allowing the slightly compressed air or mixture in the crankcase to enter the engine cylinder. This causes the fuel to mix with the exhaust gas. A certain amount of exhaust gas invariably remains in the cylinder as the fresh charge comes in. When the spark plug ignites the fuel mixture, some fuel is isolated from the flame by the exhaust still in the cylinder and not bum. For this a certain provision is made, the top of the next generation 2-stroke engine, the piston generally has a projection to divert fresh air to sweep to the top of the cylinder before flowing into the exhaust port. This serves the dual purpose of sweeping the top of the combustion product cylinder and preventing fresh cargo from flowing directly into the exhaust ports. The same objective can be achieved without the piston deflector by proper configuration of the transfer port. During the upward movement of the piston from the BDC, the transfer ports are repeated and then the closing and compression of the exhaust port of the load is performed. 3.1 SCAVENGING PROCESS: - At the end of the expansion stroke, the combustion chamber of the two-stroke engine is filled with combustion products. This is because, no exhaust blow is available to clean the burned gas cylinder. The process of cleaning the cylinder after the expansion stroke is called a cleavage. 4. AIR SUPPORT DIRECT INJECTION SYSTEM (ASDI) Developed by Orbital leading international developer of direct engine technologies in cylinder fuel injection and lean lazy system for improved fuel economy and lower emission. This technology exceeds EP A 2006 emission standards and offers 40% fuel efficiency over conventional two-stroke engines. Different automotive companies have licensed and experimented with Orbital clean the burning of two-stroke and older auto engines like Peugot, Aprila and others are directly installing these in their new models. It may not take long before this technology reaches India as Bajaj auto already has a link with Orbital. This technology is not only limited to two wheels, but Ford, BMW and four other four-wheeled vehicles have used this technology to manufacture cars powered by ASDI Two-stroke engine that performs much better than an equivalent four-stroke engine CONCLUSION Thus, using these three technologies, Honda EXP-2 produces 54 hp and a torque of 65N-m, making it one of the best motocross racing bikes. This was demonstrated in the Granda-Dakar rally where it was first fitted in less than 500- Cc and 2-stroke class, 8 mostly in the Nevada rally and 7 on all of the Bajaj 1000. Honda will start production of the Worlds cleaner 2 stroke cycle engine by the end of this year. The Bimoto 500 V due to 500cc 2-stroke V-twine using the ASDI and the technology of the trap valve produces 110hp @ 8000rpm.It all this while still environment-friendly. Honda began then production of CR250, which is leap gaint in the will of manufacturers to implement the new patent in the evolution of the production bicycle. We would definitely recommend this bikes and scooter to make use of this type of technology by bringing the revival of 2-stroke engine to an environmentally friendly machine. |
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