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Many of us may know about two stroke or four stroke engine.Those who are from mechanical or automobile field must have to familiar with this term.Actually two stroke or four stroke is the cycle of any reciprocating engine.When only two stroke required to complete the reciprocating engine cycle then that engine is known as two stroke engine,and when four stroke required to complete the cycle then it is known as four stroke engine.
In four stroke engine the work is obtained only during one stro
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Before cars and buses can make their mark, some developers say the best economic case for fuel cell mobility applications may be found in the warehouse
At a gathering of fuel cell developers at Germany's giant Hanover Fair this past April, Jacob Hansen talked about plans of his Danish startup, H2 Logic A/S, to launch the first of seven fuel cell-powered demonstration cars in Scandinavia this fall.
Not possible, countered someone else close to the project, looking at a mockup of the vehicl
Developers of a new commercial hybrid technology say it could double the speed of some of the most common industrial welding systems, even while it produces deeper welds and reduces splatter and heat distortion. Developed by former researchers from Ukraine's Paton Welding Institute, the technology is called Super-MIG and marries two welding technologies: plasma arc and metal inert gas, generally known as MIG, a variant of gas metal arc welding.
Super-MIG was designed to work with such availa
Modern-day computer numerically controlled machines are no longer modern enough. The 50-year-old G and M codes that drive those machines can't transfer valuable geometric information from CAD and CAM systems, according to a group of experts who are advocating for widespread use of the recently approved STEP-NC standard. With the new standard, CAD and CAM applications have the capability to send product information to CNC machines.
But getting equipment and software suppliers on board with the
The recent success of fuel-cell-powered demonstration vehicles using the proton exchange membrane fuel cell developed by the Canadian company Ballard Power Systems, by DaimlerChrysler and many others, suggests that fuel cells have finally come of age. Elsewhere, Plug Power and a number of other developers are striving to bring their domestic grid-independent power supplies onto the market within the next couple of years. What has driven these developments? And what exactly is a fuel cell?