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Book your Test drive now. OUR REPORTS INTRODUCTION The basic principle behind any internal combustion engine is simple: If you put a tiny amount of air and high- energy fuel (like gasoline) in a small, enclosed space and ignite it, the gas expands rapidly, releasing an incredible amount of energy. The ultimate goal of an engine is to convert the energy of this expanding gas into www.seminarpaper.com/2010/12/quasiturbine-engine.html 1/19 3/21/12 Seminar Paper: QUASITURBINE ENGINE * CVT- TRANSMISSION a rotary (spinning) motion. In the case of car engines, the specific goal is to rotate a driveshaft rapidly. The * ELECTRO HYDRAULIC BRAKE driveshaft is connected to various components that pass the rotating motion onto the car's wheels. To harness the energy of expanding gas in this way, an engine must cycle through a set of events that causes many tiny gas * PLASTIC INJECTION MOLDING explosions. In this combustion cycle, the engine must: * 201 2 SEMINAR TOPICS * ULTRA WIDE BAND Let a mixture of fuel and air into a chamber * SKY X TECHNOLOGY Compress the fuel and air * GAME PLAY IN ARTIFICIAL INTELLIGENT Ignite the fuel to create an explosion Release the exhaust (think of it as the by-product of the explosion) * LIGHT EMITTING POLYMER * PROJECT OXYGEN * WiMaX QUASITURBINE * INSURANCE * INVESTMENT 2.1What is Quasiturbine? * IP TELEVISION The Quasiturbine (Qurbine) is a no crankshaft rotary engine having a 4 faces articulated rotor with a * WIND FROM THE SUN free and accessible center, rotating without vibration nor dead time, and producing a strong torque at low * VISUAL CRYPTOGRAPHY RPM under a variety of modes and fuels. The Quasiturbine design can also be used as an air motor, steam * MICRO MACHINING engine, gas compressor or pump. The Quasiturbine is also an optimization theory for extremely compact and * 3G TECHNOLOGY efficient engine concepts 2.2 Quasiturbine Basics: * DISTILLERY WASTE WATER TREATMENT The Saint-Hilaire family first patented the Quasiturbine combustion engine in 1996. The Quasiturbine * SOIL DEGRADATION concept resulted from research that began with an intense evaluation of all engine concepts to note * CYBER ECONOMY advantages, disadvantages and opportunities for improvement. During this exploratory process, the Saint- * QUANTUM TELEPORTATION Hilaire team came to realize that a unique engine solution would be one that made improvements to the * COMPILERS standard Wankel, or rotary, engine. BL*O GM APERCGHIVE Like rotary engines, the Quasiturbine engine is based on a rotor-and-housing design. But instead of three * APACHE SERVER blades, the Quasiturbine rotor has four elements chained together, with combustion chambers located Blog Archive between each element and the walls of the housing. * OPEN VZ AND XEN * ZETTABYTE FILE SYSTEM FACEBOOK LIKERS * BLUE JACKING * NANO RAM * ULTRA DENSITY OPTICAL DISC * MOBILE RADIO * MAGNETIC RAM * MULTI USER SECURITY * PROJECT ON SAVINGS ACCOUNT * XML ENCRYPTION * QUANTUM COMPUTERS * BLUETOOTH SCHEDULING * AERONAUTICAL COMMUNICATION * JAVA * SEARCH ENGINES FIGURE 2.2 Simple Quasiturbine design * TERABYTE DISK POPULAR POSTS * VoIP OVER WiFi The four-sided rotor is what sets the Quasiturbine apart from the Wankel. There are actually two different * OPEN STORAGE ways to configure this design -- one with carriages and one without carriages. As we'll see, a carriage, in this * EXTREME PROGRAMMING case, is just a simple machine piece. First, let's look at the components of simpler Quasiturbine model -- the * NVIDIA TESLA SUPERCOMPUTER version without carriages. The simpler Quasiturbine model looks very much like a traditional rotary engine: A rotor turns inside a nearly * AUDIO RECORDING TO REMOV. HARD DISK oval-shaped housing. Notice, however, that the Quasiturbine rotor has four elements instead of three. The 201*2 G LAatSe LstE EAnKgAinGeEe rDiEnTg ESCemTIiOnNar Topics the below are only engineering seminar or project * BROAD BAND OVER TRANSMISSION LINE sides of the rotor seal against the sides of the housing, and the corners of the rotor seal against the inner topic if y ou want full report of any one please periphery, dividing it into four chambers. spec*i fCyO iNn TouArC fTo rLuEmSS ENERGY TRANSMISSION * PASSIVE MILLIMETER WAVE (MP*F RI)O SBYOST'ESM INTERACTION 1 . INTRODUCTION call*e dH cIaDrIbNuGr eDtAorT fAor I Nsu IpMpAlyGinEgS the air fuel mixture www.seminarpaper.com/2010/12/quasiturbine-engine.html 2/19 3/21/12 Seminar Paper: QUASITURBINE ENGINE WORKING OF QUASITURBINE 3.1 How it Works In the Quasiturbine engine, the four strokes of a typical cycle de Beau de Rochas (Otto) cycle are arranged sequentially around a near oval, unlike the reciprocating motion of a piston engine. In the basic single rotor Quasiturbine engine, an oval housing surrounds a four-sided articulated rotor which turns and moves within the housing. The sides of the rotor seal against the sides of the housing, and the corners of the rotor seal against the inner periphery, dividing it into four chambers. 6 Like 194 people +1'd FIGURE 3.1 Simple Engine Configuration of Quasiturbine In a piston engine, one complete four-stroke cycle produces two complete revolutions of the crankshaft. That means the power output of a piston engine is half a power stroke per one piston revolution. A Quasiturbine engine, on the other hand, doesn't need pistons. Instead, the four strokes of a typical piston engine are arranged sequentially around the oval housing. There's no need for the crankshaft to perform the rotary conversion. sy stem it... OTHER USEFUL LINKS Automobile Trends Seminar Help Desk Greeting Cards FIGURE: Simple Engine Cycle In this basic model, it's very easy to see the four cycles of internal combustion: Intake, which draws in a mixture of fuel and air www.seminarpaper.com/2010/12/quasiturbine-engine.html 3/19 3/21/12 Seminar Paper: QUASITURBINE ENGINE Compression, which squeezes the fuel-air mixture into a smaller volume Combustion, which uses a spark from a spark plug to ignite the fuel. Exhaust, which expels waste gases (the byproducts of combustion) from the engine compartment Quasiturbine engines with carriages work on the same basic idea as this simple design, with added design modifications that allow for photo-detonation. Photo-detonation is a superior combustion mode that requires more compression and greater sturdiness than piston or rotary engines can provide. Now, let's see what this combustion mode is all about. Internal combustion engines fall into four categories based on how well air and fuel are mixed together in the combustion chamber and how the fuel is ignited. Type I includes engines in which the air and fuel mix thoroughly to form what is called a homogenous mixture. When a spark ignites the fuel, a hot flame sweeps through the mixture, burning the fuel as it goes. This, of course, is the gasoline engine. Four Types of Internal Combustion Engines Homogenous Fuel-air Heterogeneous Fuel-air Mixture Mixture Type II Seminar Paper Type I Spark-ignition Gasoline Direct-injection on Google+ Gasoline Engine (GDI) Engine Pressure-heated Self- Type IV Type III ignition Photo-detonation Engine Diesel Engine Table 3.1 Type II -- a gasoline-direct injection engine -- uses partially mixed fuel and air (i.e., a heterogeneous mixture) that is injected directly into the cylinder rather than into an intake port. A spark plug then ignites the mixture, burning more of the fuel and creating less waste. In Type III, air and fuel are only partially mixed in the combustion chamber. This heterogeneous mixture is then compressed, which causes the temperature to rise until self-ignition takes place. A diesel engine operates in this fashion. Finally, in Type IV, the best attributes of gasoline and diesel engines are combined. A premixed fuel-air charge undergoes tremendous compression until the fuel self-ignites. This is what happens in a photo- detonation engine, and because it employs a homogenous charge and compression ignition, it is often described as an HCCI engine. HCCI (Homogeneous Charge Compression Ignition) combustion results in virtually no emissions and superior fuel efficiency. This is because photo-detonation engines completely combust the fuel, leaving behind no hydrocarbons to be treated by a catalytic converter or simply expelled into the air.