The Steam Engine The Genesis of the Steam Engine In the eighteenth century‚ people began to harness new resources to use to help with farm-ing. An English military engineer‚ Thomas Sav-ery‚ invented a water pump for mines. It later evolved into a coal-powered steam engine developed by Thomas Newcomen. Another man‚ James Watt‚ later improved Newcomen’s invention in 1764. The steam engine was the doorway to powering locomotives and steamships. Savery’s invent-tion‚ the water pump‚ was also known
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Wankel Rotary Engine: A History by John B. Hege Well Done Conceived in the 1930s‚ simplified and successfully tested in the 1950s‚ the darling of the automotive industry in the early 1970s‚ then all but abandoned before resurging for a brilliant run as a high-performance powerplant for Mazda‚ the Wankel rotary engine has long been an object of fascination and more than a little mystery. A remarkably simple design (yet understood by few)‚ it boasts compact size‚ light weight and nearly vibration-free
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Rotary Engine – Huge Power in a Small Box According to Philip’s Encyclopedia Wankel rotary engine or just Wankel engine is “Internal combustion engine with rotors instead of pistons.” That not so popular engine is actually about two times lighter than a four cylinder piston engine‚ the one that we all have in our cars‚ for the same power output. It also has four times less moving parts. Much simpler‚ much lighter‚ much smaller it has numerous advantages over a conventional piston engine.
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Green Engine seminar report.DOC (Size: 107 KB / Downloads: 3197) ABSTRACT The green engine is one of the most interesting discoveries of the new millennium. It has got some unique features that were used for the first time in the making of engines. This engine is a piston less one with features like sequential variable compression ratio‚ direct air intake‚ direct fuel injection‚ multi-fuel usage etc. The efficiency of this engine is high when compared to the contemporary engines and also the exhaust
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Fire extinguishers seem to be an interesting & useful topic to learn about. It may help us in the future for our own safety. I chose this topic mainly because of my own interest to learn about these valuable lessons in life. There are many aspects of fire extinguishers to be known about. I know there are people‚ who think dealing with the device can’t get easier‚ but there are many things they don’t know about since they haven’t experienced much of it in life‚ & in my opinion‚ they should still be
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The key element for fire protection‚ emergency medical and rescue services is people. In order for these complex services to function properly people must be part of the equation. Over the past 25 years the population in the United States‚ let alone the entire world‚ has grown tremendously. As the number of people grow in this country so does the potential of more fires and hazards. During the period of growth the fire service used engineering‚ education and code enforcement to moderate the frequency
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FIRE TRIANGLE In order to understand how fire extinguishers work‚ you first need to know a little bit about fire. Four things that must be present at the same time in order to produce a fire : * Enough oxygen to sustain combustion. * Enough heat to raise the material to its ignition temperature. * Some sort of fuel or combustible material. * The chemical‚ exothermic reaction that is fire. Take a look at the following diagram called the “Fire Triangle”. Oxygen‚ heat‚ and fuel
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The Reichstag fire The Reichstag fire took place on February 27th 1933. The Reichstag building was where Germany’s parliament sat. On the night of February 27th Hitler and Goebbels were having dinner at Goebbel’s Berlin home. Just after 21.00‚ Goebbels received a phone call from Dr. Hansfstaengl that the Reichstag building was on fire. Goebbels later claimed that he felt the news was so fanciful that he did not inform Hitler even though he was in the same house. It was only when he received another
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Chariots of Fire Throughout the world today‚ people are determined by a persistent feeling of weakness in many areas of life. Financial problems‚ misconduct‚ pollution‚ and other problems appear like they are out of control. In the workplace‚ employees often complain about being viewed as unimportant and unessential. In marriages‚ family units and even friendships‚ falling-out is a common circumstance. It is apparent that there are oppressive forces that manipulate us. While some filmmakers offer
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Fire safety refers to precautions that are taken to prevent or reduce the likelihood of a fire that may result in death‚ injury‚ or property damage‚ alert those in a structure to the presence of an uncontrolled fire in the event one occurs‚ better enable those threatened by a fire to survive in and evacuate from affected areas‚ or to reduce the damage caused by a fire. Fire safety measures include those that are planned during the construction of a building or implemented in structures that are
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