lecture_2011_09_01a

lecture_2011_09_01a - Harold Schock, Michigan State...

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Unformatted text preview: Harold Schock, Michigan State University Michigan State University Michigan State University Mechanical Engineering 444 Mechanical Engineering 444 FALL 2011 FALL 2011 Internal Combustion Engines Internal Combustion Engines Harold Schock Harold Schock Harold Schock, Michigan State University Internal Combustion Engine Early stages of development 17 th century Earliest experiments of internal combustion engine 18 th century Much was discovered about the nature of gases Robert Boyle (1627-1691) M=constant P 1 V 1 =P 2 V 2 (Boyles Law) Harold Schock, Michigan State University J. de Haute-feuille (1647-1724) French physicist Used gunpowder in a closed tank to form a partial vacuum Burned gunpowder under a piston in a cylinder assembly and examined the motion of the piston 1703 designed an instrument for recording tilt in an earthquake Harold Schock, Michigan State University Christian Huygens (1629-1695) Famous Dutch physicist, mathematician, and astronomer made original contributions to the science of dynamics-- the study of the action of forces on bodies. Studied the expansion of steam under a piston Harold Schock, Michigan State University Christian Huygens (1629-1695) Proposed the Wave Theory of Light used to derive the Laws of Reflection and Refraction (less comprehensive, but earlier than Maxwells equations) Built an engine that worked from air pressure developed by exploding a powder charge Harold Schock, Michigan State University Denis Papin (1647-1712) French, medical physician and mathematician studied the expansion of steam under a piston in the late 1600s 1679 he invented the pressure cooker Observed that when H 2 O was heated in a cylinder it was converted to steam; and upon expanding it could raise a piston Created a partial vacuum and return the piston to original position Harold Schock, Michigan State University Warltire 1781 demonstrated the explosive property of the mixture of oxygen and hydrogen Colleague of J. Priestly Harold Schock, Michigan State University Joseph Priestley (1733-1804) England 1774 worked with 12 lens to concentrate heat of the sun to one spot to produce very high temperatures Discovered oxygen 1774 published book Experiments and Observations of Different Kinds of Air Invented clever ways of collecting the Fixed Air gas-oxygen from mecuric oxide investigation = candle & mouse experiments Harold Schock, Michigan State University Robert Street 1794 attempted to drive an engine with gases obtained by heating spirits of tar or turpentine Realized a need for additional engine parts to measure the correct amounts of air and fuel Harold Schock, Michigan State University Phillippe Lebon 1801 patented a gas engine, which was advanced for its time Proposed compressing coal-gas and air in separate pumps before admittance into the cylinder Mixture ignited by an electric spark - this was the first suggestion that the charge should be compressed before ignition Harold Schock, Michigan State University...
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lecture_2011_09_01a - Harold Schock, Michigan State...

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