This literature and lecture-based course will introduce an integrative approach to the study of animal behavior, complementing evolutionary and ecological perspectives with molecular and genetic approaches and methodologies. Cross-listed with NRSC Bioinformatics and Computational Courses The Department of Biology offers several foundation courses relevant to the field of bioinformatics and the use of computers to process, analyze, and display biological data sets.
Terminology[ edit ] The word engine derives from Old French enginfrom the Latin ingenium—the root of the word ingenious. Pre-industrial weapons of war, such as catapultstrebuchets and battering ramswere called siege enginesand knowledge of how to construct them was often treated as a military secret.
The word gin, as in cotton ginis short for engine. Most mechanical devices invented during the industrial revolution were described as engines—the steam engine being a notable example. However, the original steam engines, such as those by Thomas Saverywere not mechanical engines but pumps.
In this manner, a fire engine in its original form was merely a water pump, with the engine being transported to the fire by horses. In modern usage, the term engine typically describes devices, like steam engines and internal combustion engines, that burn or otherwise consume fuel to perform mechanical work by exerting a torque or linear force usually in the form of thrust.
Devices converting heat energy into motion are commonly referred to simply as engines. Examples of engines which produce thrust include turbofans and rockets. When the internal combustion engine was invented, the term motor was initially used to distinguish it from the steam engine—which was in wide use at the time, powering locomotives and other vehicles such as steam rollers.
The term motor derives from the Latin verb moto which means to set in motion, or maintain motion. Thus a motor is a device that imparts motion. Motor and engine are interchangeable in standard English. A heat engine may also serve as a prime mover —a component that transforms the flow or changes in Thesis on single phase induction motor of a fluid into mechanical energy.
Another way of looking at it is that a motor receives power from an external source, and then converts it into mechanical energy, while an engine creates power from pressure derived directly from the explosive force of combustion or other chemical reaction, or secondarily from the action of some such force on other substances such as air, water, or steam.
More complex engines using human poweranimal powerwater powerwind power and even steam power date back to antiquity. Human power was focused by the use of simple engines, such as the capstanwindlass or treadmilland with ropespulleysand block and tackle arrangements; this power was transmitted usually with the forces multiplied and the speed reduced.
These were used in cranes and aboard ships in Ancient Greeceas well as in mineswater pumps and siege engines in Ancient Rome.
The writers of those times, including VitruviusFrontinus and Pliny the Eldertreat these engines as commonplace, so their invention may be more ancient.
By the 1st century AD, cattle and horses were used in millsdriving machines similar to those powered by humans in earlier times.
THESIS OFFLINE DETECTION OF BROKEN ROTOR BARS IN AC INDUCTION MOTORS Submitted by OFFLINE DETECTION OF BROKEN ROTOR BARS IN AC INDUCTION MOTORS without disassembly of the motor. A single-phase low-voltage AC source is connected to two of. An engine or motor is a machine designed to convert one form of energy into mechanical energy. Heat engines burn a fuel to create heat which is then used to do work. Internal combustion engines are heat engines that burn fuel in a combustion chamber to extract work from the pressure of expanding gases. Electric motors convert electrical energy into mechanical motion; pneumatic motors use. operation of an Induction motor. • It will now be shown that when stationary coils, wound for two or three phases, are supplied by two or three phase supply respectively, a uniformly rotating (or revolving) magnetic flux of constant value is.
According to Straboa water powered mill was built in Kaberia of the kingdom of Mithridates during the 1st century BC. Use of water wheels in mills spread throughout the Roman Empire over the next few centuries.
Some were quite complex, with aqueductsdamsand sluices to maintain and channel the water, along with systems of gearsor toothed-wheels made of wood and metal to regulate the speed of rotation.
More sophisticated small devices, such as the Antikythera Mechanism used complex trains of gears and dials to act as calendars or predict astronomical events. In a poem by Ausonius in the 4th century AD, he mentions a stone-cutting saw powered by water. Hero of Alexandria is credited with many such wind and steam powered machines in the 1st century AD, including the Aeolipile and the vending machineoften these machines were associated with worship, such as animated altars and automated temple doors.
Medieval[ edit ] Medieval Muslim engineers employed gears in mills and water-raising machines, and used dams as a source of water power to provide additional power to watermills and water-raising machines.
Inal-Jazari employed a crank - conrod system for two of his water-raising machines. A rudimentary steam turbine device was described by Taqi al-Din  in and by Giovanni Branca  in Driven by gunpowder, this simplest form of internal combustion engine was unable to deliver sustained power, but was useful for propelling weaponry at high speeds towards enemies in battle and for fireworks.
After invention, this innovation spread throughout Europe. Improving on the design of the Newcomen steam enginethe Watt steam engine, developed sporadically from towas a great step in the development of the steam engine. Offering a dramatic increase in fuel efficiencyJames Watt 's design became synonymous with steam engines, due in no small part to his business partner, Matthew Boulton.
It enabled rapid development of efficient semi-automated factories on a previously unimaginable scale in places where waterpower was not available.
Later development led to steam locomotives and great expansion of railway transportation. They were theoretically advanced by Carnot in Analysis of Single-Phase Induction Motors Efficiency Optimization Control with Hall Sensor.
Xifeng Wang. 1,2, Dawei Meng. 1 [email protected] Abstract. This thesis deals with the optimization control of a single-phase induction motors with Hall sensor.
A simple modeling method with feasible single phase induction motors. The. Chapter (9) Single-Phase Motors Introduction As the name suggests, these motors are used on single-phase supply. Singlephase motors are the most familiar of all electric motors because they are extensively used in home appliances, shops, offices etc.
Short-Term Voltage Stability Analysis for Power System with Single-Phase Motor Load By Yan Ma A Thesis Presented in Partial Fulfillment of the Requirements for the Degree single-phase induction motor load in power system simulation.
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Explore and learn more about . Return to Categories. Waterhammer - Parts 1 & 2. This waterhammer tutorial looks at the subject from a different perspective than does my earlier one. DESIGN OF A SINGLE SIDED LINEAR INDUCTION MOTOR A Thesis presented to the faculty of the Graduate School University of Missouri-Columbia In Partial Fulfillment R Stator radius of Rotary Induction Motor Meters, m R1 Per phase Stator Resistance Ohms, Ω R2 Per phase.