Generally speaking, a high compression ratio is always desirable as it derives the maximum efficiency for a given size of an engine. It is the representation ratio between the value of the maximum and minimum capacity of the engine. It is classified into two types a external combustion engine b internal combustion engine external combustion engine. In case of horizontal engines, it is known as outer dead center odc. The terminology used to describe them can often be just as confusing as the engines that power them. The piston engine also called reciprocating engine is a member of the internal combustion engine family of power plants. That is typical of most lawn mowers, but most cars have more than one cylinder four, six and eight cylinders are common. Diesel engine fundamentals doehdbk1018193 diesel engines diesel engines one of the most common prime movers is the diesel engine. Removes large dirt and debris particles for a longer. Ic engine terminology nomenclature basic definitions.
In internal combustion engine, some particular terms are used to describe the process for example, carburetion, scavenging, firing order, detonation etc. Is similar to an automobile engine that continuously delivers oil under pressure to critical engine components for maximum lubrication and long engine life. A hybrid engine and electric motors combined ability to do work in terms of horsepower, torque or efficiency. Internal combustion ie spark ignition 81 an engine in which the combustion process in each cycle is started by use of a spark plug. Hybrid power source the source of power in a hybrid vehicle. The worksheets are designed to form a foundation for operational situations.
Ic engine terminology nomenclature basic definitions used in ic engine ic engine terminology. An older engine with camshafts inside the engine block will include said camshafts, timing gear, and balance shafts if so equipped. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. The basic principle of the airplane turbine engine is identical to any and all engines that extract energy from chemical fuel. This glossary is, in a way, a compilation of a set of definitions associated with the various terms applied in the fields of quality assurance and accreditation. Ic engine terminology nomenclature basic definitions used in ic engine. This is a general term used to characterize availability and factors that influence it. We all know that engines are of various types the twostroke engine, the fourstroke engine and the sixstroke engine, all having their unique configuration and operational style. Service, repairs, diagnosis, conversions and retrofits. The nominal inside diameter of the engine cylinder is called bore. A heat engine is a device which transforms the chemical energy of a fuel into thermal energy and uses this energy to produce mechanical work. Ic engine terminology nomenclature basic definitions used.
Depending on the make and model of your car, the warning symbol may vary slightly. The barber pole effect is an illusion caused by the number of characters the basic engine is putting in each line. Each article is written and designed to help someone that is just starting out in discovering how an engine works. A ducting, usually made of metal or plastic, which directs the air, or fuelair mixture into the engines cylinder head. Car engine motor basics repair maintenance fix help. The operating cycle ofa conventional spark ignition engine is illustrated in figure 4. The core of the engine is the cylinder, with the piston moving up and down inside the cylinder. It is an essential reading for judging the efficiency of the engine. Addressed in the three individual units of the course,are. The engine block with a crankshaft, pistons and corresponding bearings. The turbomachinery in the engine uses energy stored chemically as fuel. All these terms together form the socalled dependability.
The following terms and abbreviations are commonly used in engine technology literature. Automotive technology basic worksheets contains worksheets for the following subject areas. Find your topic in a subject directory internet communication email is an extremely popular means of communication. It may be used as a reference tool to better understand the connotations of. Press the home key, and the cursor moves to the lefthand side of the screen. Any service replacement part not obtained from the vehicle manufacturer through a franchised dealer. Your guide to building, tuning, modifying, trouble shooting and repair. This value is independent of the engine displacement hence gives a great insight. Many aftermarket parts are made by the same companies that supply the original. Learn vocabulary, terms, and more with flashcards, games, and other study tools. We have taken the mystery out of automotive service jargon, so that you dont have to.
Car engine basics repair maintenance tuning help repair. A petrol engine known as a gasoline engine in north america is an internal combustion engine with sparkignition, designed to run on petrol gasoline and similar volatile fuels. The crankcase shown in figure 36 is the basic foundation of all air cooled engines. This site is dedicated to those wanting to gain a better understanding of engine basics and the how to to modify and tune engines along with repair and maintain them. A measure of the instant in the cylinder firing cycle at which the ignition spark happens in a petrol engine. Basic engine parts engine parts include the cylinder, spark plug, valves, pistons, piston rings, connecting rod, crankshaft and sump. Short block an engine block that contains only basic internal moving parts, but not cylinder heads or oil pan. It might possible, an automobile engineering or mechanical engineering concern person is well familiar with these terms. Since, there are many forms of energy such as mechanical, thermal or heat, chemical, electrical, etc. This site is dedicated to those wanting to gain a better understanding of engine basics and the how to to modify and tune engine s along with repair and maintain them.
The following termsnomenclature associated with an engine are explained for the better understanding of the working principle of the ic engines. Identify engine design associated terms and definitions. Basic terms and concepts indian hills community college. Chapter 3 construction of an internal combustion engine. Java, flash, blender, shikav, mayaetc animation can be done in java 2d. A paper or synthetic fabric baffle that captures dust, dirt and debris from the airstream entering the engine. Introduction to engine repair study guide 2007 melior, inc. In other words, the maximum distance travelled by the piston in the cylinder in one direction is known as stroke. The basic engines keyboard is a regular pc keyboard and has two shift keys and a caps lock key. A system that stores, cleans, cools, and recirculates oil through the engine to lubricate and cool its moving parts. This controlled explosion moves the piston, creating the basic force of the engine power. Ratio of total volume of the engine to the work done by the engine is known as mean effective pressure. Before gaining an understanding of how the engine operates a basic understanding of the engines components must be gained.
Driversides car dictionary has the most comprehensive definitions of automotive terms. Engine basic tries to make it easy to use strings as generalpurpose buffers that have a lower overhead and use less memory than arrays or lists. Start a free trial of quizlet plus by thanksgiving lock in 50% off all year try it free. The piston engine produces power by burning fuel and converting the released energy from force to controlled motion. Fundamentals of aircraft piston engine, borden and cake, chapter 1. Technical explained working of explanation repair maintenance auto. In summary, there are three basic ways to begin to surf the web. It will help you to get acquainted with the basics of an engine. Automotive technology basic worksheets europalehrmittel. The basic protection from detonation is provided in the design of the engine carburetor setting, which automatically supplies the rich mixtures required for detonation suppression at high power. Usually found next to the steering wheel in your dashboard, the light usually glows red to tell the driver to check the engine. For example, brakes, antilock braking system, manual seat belts, and traction control.
Mar 09, 2018 today we will be focusing on some basic definitions used in engine terminology. Bottom dead centre, it means when the piston is at its lower most point of travel. After completion of this unit, students should be able to identify internal combustion engine components and their modes of operation. These points are cushioned by rubber mounts that insulate the frame and body of the vehicle from engine vibration. Compared to a long block engine which is wellequipped, a short block is a barebones assembly. When the screen fills, the contents of the screen are moved up to make room for more printing. It differs from a diesel engine in the method of mixing the fuel and air, and in the fact that it uses spark plugs to initiate the combustion process. Refers to features that interact with, or are controlled by, the driver.
Ag engg 243 lecture 4 basic terminology used for a engine bore and stroke the diameter of the cylinder is known as bore and the displacement of the piston, i. Smart engine engine with computer controls that regulate operating characteristics such as airfuel ratio, ignition timing, valve timing, exhaust control, intake tuning, etc. This prevents damage to engine supports and the transmission. Before gaining an understanding of how the engine operates a basic understanding of the engine s components must be gained. Actually, these terms are the one word for that particular activity. The basic engine is printing the message several times near the bottom of the screen. Top dead centre, it means when the piston is at its upper most point of travel. By increasing only the compression ratio, the engine power increases, the other factors remaining unchanged. The cr of an engine is an important factor in its performance.
To create a string from a sequence of bytesized numbers, a string initializer can be used. Hence, everyone will get familiar with these important terms. Briefly, availability readiness for correct service, 4 concise reliability for engineers. The distance travelled by the piston from tdc to bdc is called stroke. A check engine light is a warning that alerts the driver about an engine malfunction. The following terms nomenclature associated with an engine are explained for the better understanding of the working principle of the ic engines. Compression ignition ci an engine in which the combustion process starts when the airfuel mixture self. Basic definitions used in engine terminology engineering. Automotive engines have gone through tremendous changes since the automobile was first introduced in the 1880s, but all combustion engines still have three requirements that must be met to do their job of providing. Engine block assembly diagnosis and repair unit 1 basic engine parts and operation unit objective. Above is a collection of articles that can help anyone understand the basics of a combustion motor. It might possible, an automobile engineering or mechanical engineering concern person is well familiar with these terms here i am sharing the information on i. The basic principle of operation is that a piston moves up and down in a cylinder, transmitting its motion through a connecting rod to the crankshaft which drives the ve hicle.
Car engine basics have improved year over year and combustion and electric engines have become such a big part of our lives that it can. Glossary of terms related to engines, engine emissions, emission standards and emission control. Critical speeds speeds at which the frequency of the power strokes synchronize with the crankshafts natural frequency. The most common engine cycle involves four strokes. Today we will be focusing on some basic definitions used in engine terminology. Auto repair dictionary auto repair glossary air filter. Since, there are many forms of energy such as mechanical, thermal or. Removes particles such as dust, dirt and debris from the air and prevents it from getting into your engine. Video memory refers to all randomaccess memory residing on the video controller chip pixel memory refers to the parts of video memory that represent pixels, including the visible screen and the offscreen area that can be accessed by graphics commands and functions a range is a way to specify a set of numbers by giving a start andor an end. If the engine is operated at one of its critical speeds for any length of time, a broken crankshaft may result.