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Encyclopedia > Machine
Wind turbines
Wind turbines

The scientific definition of a "machine" (derived from the Latin machina) is any device that transmits or modifies energy[citation needed]. In common usage, the meaning is that of devices having parts that perform or assist in performing some work (cf Concise Oxford Dictionary). Machines normally require some energy source ("input") and always accomplish some sort of work ("output"). Devices with no rigid moving parts can be considered tools. Machine can refer to: Look up machine in Wiktionary, the free dictionary. ... Image File history File links Download high resolution version (2200x2700, 927 KB) At the USDA-ARS Conservation and Production Research Laboratory in Bushland, Texas, wind turbines generate power for submersible electric water pumps that are far more efficient than traditional windmills (background). ... Image File history File links Download high resolution version (2200x2700, 927 KB) At the USDA-ARS Conservation and Production Research Laboratory in Bushland, Texas, wind turbines generate power for submersible electric water pumps that are far more efficient than traditional windmills (background). ... Machina A Machine of the gods. ... Concise Oxford Dictionary (COD) is probably the best-known smaller Oxford dictionaries. ... In physics, mechanical work is the amount of energy transferred by a force. ... This article is about the instrument. ...


A machine is anything that makes work easier.


People have used mechanisms to, or transform one form of motion or energy into another. This article or section is in need of attention from an expert on the subject. ...


The mechanical advantage of a simple machine is the ratio between the force it exerts on the load and the input force applied. This does not entirely describe the machine's performance, as force is required to overcome friction as well. The mechanical efficiency of a machine is the ratio of the actual mechanical advantage (AMA) to the ideal mechanical advantage (IMA). Functioning physical machines are always less than 100% efficient. In physics and engineering, mechanical advantage (MA) is the factor by which a mechanism multiplies the force put into it. ... This article is about the concept in physics. ... This article is about the mathematical concept. ... For other uses, see Friction (disambiguation). ... In physics, mechanical efficiency is the effectiveness of a machine and is defined as Efficiency is often indicated by a percentage, the efficiency of an ideal machine is 100%. Due to the fact that energy cannot emerge from nothing and the Second law of thermodynamics which states that the quality... In physics, the actual mechanical advantage (abbreviated AMA) is the mechanical advantage of a real machine. ... In physics, the ideal mechanical advantage (abbreviated IMA) is the mechanical advantage of an ideal machine. ...


Modern power tools, automated machine tools, and human-operated power machinery are tools that are also machines. Machines used to transform heat or other energy into mechanical energy are known as engines. This article does not cite any references or sources. ... For other uses, see Heat (disambiguation) In physics, heat, symbolized by Q, is energy transferred from one body or system to another due to a difference in temperature. ... For other uses, see Engine (disambiguation). ...


Compound Machines are made up of smaller easier machines called Simple Machines. Simple Machines can be used and are considered Simple Machines if, what they are made for, they do in one movement (Simple Machines Ex:Wedge, Pulley etc.) devices may also be used to support industrial applications, although devices entirely lacking rigid moving parts are not commonly considered machines. Hydraulics are widely used in heavy equipment industries, automobile industries, marine industries, aeronautical industries, construction equipment industries, and earthmoving equipment industries. Car redirects here. ... Marine is an umbrella term for things relating to the ocean, as with marine biology, marine geology, and as a term for a navy, etc. ... Six F-16 Fighting Falcons with the U.S. Air Force Thunderbirds aerial demonstration team fly in delta formation in front of the Empire State Building. ... An excavator. ... An excavator. ...

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Machines

Types of machines and other devices

Types of machines and other devices
Simple machines Inclined plane, Wheel and axle, Lever, Pulley, Wedge, Screw
Mechanical components Gear, Rope, Spring, Wheel, Axle, Bearings, Belts, Seals, Roller chains, Link chains, Rack and pinion, Fastener, Key
Clock Atomic clock, Chronometer, Pendulum clock, Quartz clock
Compressors and Pumps Archimedes screw, Eductor-jet pump, Hydraulic ram, Pump, Tuyau, Vacuum pump
Heat engines External combustion engines Steam engine, Stirling engine
Internal combustion engines Reciprocating engine
Linkages Pantograph, Peaucellier-Lipkin
Turbine Gas turbine, Jet engine, Steam turbine, Water turbine, Wind generator, Windmill (Air turbine)
Airfoil Sail, Wing, Rudder, Flap, Propeller
Electronic machines Computing machines Calculator, Computer, Analog computer
Electronics Transistor, Diode, Capacitor, Resistor, Inductor
Biological machines Virus, Bacterium, Cell (biology), Plant and animal, DNA computers, Human being
Miscellaneous Robot, Vending machine, Wind tunnel, Check weighing machines

This article is about the concept in physics. ... The inclined plane is one of the classical simple machines; as the name suggests, it is a flat surface whose endpoints are at different heights. ... A pair of metal wheels with bearings fitted to cranked axle. ... For the Portuguese town and parish, see Lever, Portugal. ... For the band, see Pulley (band). ... Technically a portable double inclined plane, a wedge is a simple machine used to separate two objects, or portions of objects, through the application of force, perpendicular to the inclined surfaces, developed by conversion of force applied to the wide end. ... Look up screw in Wiktionary, the free dictionary. ... For other uses, see Gear (disambiguation). ... Coils of rope used for long-line fishing A rope (IPA: ) is a length of fibers, twisted or braided together to improve strength for pulling and connecting. ... For other uses, see Spring. ... For other uses, see Wheel (disambiguation). ... An axle is a central shaft for a rotating wheel or gear. ... A bearing is a device to permit constrained relative motion between two parts, typically rotation or linear movement. ... v-belt flat belt A Belt is a looped strip of flexible material, used to mechanically link two or more rotating shafts. ... Compression seal example A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage (e. ... Roller chain and sprocket Roller chain or bush roller chain is the type of chain most commonly used for transmission of mechanical power on bicycles, motorcycles, and in industrial and agricultural machinery. ... Look up chain in Wiktionary, the free dictionary. ... Rack and pinion animation A rack and pinion is a pair of gears which convert rotational motion into linear motion. ... A fastener is a hardware device that mechanically joins or affixes two or more objects together. ... A single key A key is a device which is used to open a lock by turning. ... For other uses, see Clock (disambiguation). ... “Nuclear Clock” redirects here. ... A chronometer is a timekeeper precise enough to be used as a portable time standard, usually in order to determine longitude by means of celestial navigation. ... A pendulum clock uses a pendulum as its time base. ... A quartz clock A quartz clock is a timepiece that uses an electronic oscillator which is made up by a quartz crystal to keep precise time. ... A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. ... This article is about a mechanical device. ... Archimedess screw (also the Archimedean screw) is one of several inventions and discoveries reputed to have been made by Archimedes. ... Eductor-jet pumps are useful for draining areas which may contain combustible fluids (which could ignite if exposed to the workings of a standard electric or internal combustion powered pump) or high levels of debris (which could damage screws or blades in conventional pump designs). ... A hydraulic ram that drives a fountain at the Centre for Alternative Technology A hydraulic ram is a water-powered cyclic pump. ... This article is about a mechanical device. ... A tuyau (French for pipe) is an ancient invention for producing cool, dry compressed air from a flow of water. ... The Roots blower is one example of a vacuum pump A vacuum pump is a pump that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. ... A heat engine is a physical or theoretical device that converts thermal energy to mechanical output. ... An external combustion engine is an engine which burns its fuel to heat a separate working fluid which then in turn performs work. ... // The term steam engine may also refer to an entire railroad steam locomotive. ... Cut away diagram of a Rhombic Drive Beta Stirling Engine Design Pink - Hot cylinder wall Dark Grey - Cold cylinder wall (with coolant inlet and outlet pipes in Yellow) Dark Green - Thermal insulation separating the two cylinder ends Light Green - Displacer piston Dark Blue - Power piston Light Blue - Flywheels Not Shown... A colorized automobile engine The internal combustion engine is an engine in which the combustion of fuel and an oxidizer (typically air) occurs in a confined space called a combustion chamber. ... Internal combustion piston engine Components of a typical, four stroke cycle, internal combustion piston engine. ... The locking pliers is an example of a four-bar, one degree of freedom mechanical linkage; or a five-bar, two DOF linkage when the adjustment screw is considered. ... This page is about the duplication instrument. ... The Peaucellier-Lipkin linkage (or Peaucellier-Lipkin cell), invented in 1864, was the first linkage capable of transforming rotary motion into perfect straight-line motion. ... A Siemens steam turbine with the case opened. ... This machine has a single-stage centrifugal compressor and turbine, a recuperator, and foil bearings. ... A rotor of a modern steam turbine, used in a power plant A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into useful mechanical work. ... Kaplan turbine and electrical generator cut-away view. ... A tall tower holds a wind turbine aloft where winds are consistently stronger. ... This article is about machines that convert wind energy into mechanical energy. ... For the kite, see foil kite. ... A gaff-rigged cutter flying a mainsail, staysail and genoa jib For other uses, see Sail (disambiguation). ... For other uses, see Wing (disambiguation). ... Stern-mounted steering oar of an Egyptian riverboat depicted in the Tomb of Menna (c. ... The word Flap can refer to several things. ... For other uses, see Propeller (disambiguation). ... For other uses, see Calculator (disambiguation). ... This article is about the machine. ... A page from the Bombardiers Information File (BIF) that describes the components and controls of the Norden bombsight. ... Surface mount electronic components Electronics is the study of the flow of charge through various materials and devices such as semiconductors, resistors, inductors, capacitors, nano-structures and vacuum tubes. ... Assorted discrete transistors A transistor is a semiconductor device, commonly used as an amplifier or an electrically controlled switch. ... Closeup of the image below, showing the square shaped semiconductor crystal various semiconductor diodes, below a bridge rectifier Structure of a vacuum tube diode In electronics, a diode is a two-terminal component, almost always one that has electrical properties which vary depending on the direction of flow of charge... See Capacitor (component) for a discussion of specific types. ... Resistor symbols (American) Resistor symbols (Europe, IEC) Axial-lead resistors on tape. ... An inductor is a passive electrical device employed in electrical circuits for its property of inductance. ... For the song by Girls Aloud see Biology (song) Biology studies the variety of life (clockwise from top-left) E. coli, tree fern, gazelle, Goliath beetle Biology (from Greek: Βιολογία - βίος, bio, life; and λόγος, logos, speech lit. ... This article is about biological infectious particles. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... Drawing of the structure of cork as it appeared under the microscope to Robert Hooke from Micrographia which is the origin of the word cell being used to describe the smallest unit of a living organism Cells in culture, stained for keratin (red) and DNA (green) The cell is the... For other uses, see Plant (disambiguation). ... For other uses, see Animal (disambiguation). ... DNA computing is a form of computing which uses DNA and molecular biology, instead of the traditional silicon-based computer technologies. ... Human beings are defined variously in biological, spiritual, and cultural terms, or in combinations thereof. ... For other uses, see robot (disambiguation). ... A typical U.S. snack vending machine A vending machine is a machine that provides various snacks, beverages and other products to consumers. ... NASA wind tunnel with the model of a plane A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects. ...

References

  1. Oberg, Erik; Franklin D. Jones, Holbrook L. Horton, and Henry H. Ryffel (2000). in ed. Christopher J. McCauley, Riccardo Heald, and Muhammed Iqbal Hussain: Machinery's Handbook, 26th edition, New York: Industrial Press Inc.. ISBN 0-8311-2635-3. 
Machinerys Encyclopedia, 1917 Boiler, Machinerys Encyclopedia, 1917 Machinerys Handbook for machine shop and drafting-room; a reference book on machine design and shop practice for the mechanical engineer, draftsman, toolmaker, and machinist (the full title of the 1st edition) is a classic reference work in mechanical engineering... By the mid 20th century humans had achieved a mastery of technology sufficient to leave the surface of the Earth for the first time and explore space. ... For the song by 311, see Grassroots Applied science is the exact science of applying knowledge from one or more natural scientific fields to practical problems. ... AI redirects here. ... Ceramic engineering is the technology of manufacturing and usage of ceramic materials. ... A processors core Computing is a very broad topic that has become pandemic to modern uses of technology. ... Surface mount electronic components Electronics is the study of the flow of charge through various materials and devices such as semiconductors, resistors, inductors, capacitors, nano-structures and vacuum tubes. ... Energy storage is the storing of some form of energy that can be drawn upon at a later time to perform some useful operation. ... Engineering physics (EP) is an academic degree, usually at the level of Bachelor of Science. ... Environmental technology or green technology is the application of the environmental sciences to conserve the natural environment and resources, and by curbing the negative impacts of human involvement. ... A fishery (plural: fisheries) is an organized effort by humans to catch fish or other aquatic species, an activity known as fishing. ... The Materials Science Tetrahedron, which often also includes Characterization at the center Materials science or Materials Engineering is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering. ... Microtechnology is technology with features near one micrometre (one millionth of a metre, or 10-6 metre, or 1μm). ... Nanotechnology refers to a field of applied science and technology whose theme is the control of matter on the atomic and molecular scale, generally 100 nanometers or smaller, and the fabrication of devices that lie within that size range. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Optical engineering is the field of study which focuses on applications of optics. ... Zoography, also known as descriptive zoology, is the applied science of describing animals and their habitats. ... The ASCII codes for the word Wikipedia represented in binary, the numeral system most commonly used for encoding computer information. ... The know-how that goes into a given medium. ... Graphic redirects here. ... Music Technology is a term that refers to all forms of technology involved with the musical arts, particularly the use of electronic devices and computer software to facilitate playback, recording, composition, storage, and performance. ... Speech recognition (in many contexts also known as automatic speech recognition, computer speech recognition or erroneously as voice recognition) is the process of converting a speech signal to a sequence of words in the form of digital data, by means of an algorithm implemented as a computer program. ... Visual technology is the engineering discipline dealing with visual representation. ... For other uses, see Construction (disambiguation). ... Computational finance (also known as financial engineering) is a cross-disciplinary field which relies on mathematical finance, numerical methods and computer simulations to make trading, hedging and investment decisions, as well as facilitating the risk management of those decisions. ... Manufacturing (from Latin manu factura, making by hand) is the use of tools and labor to make things for use or sale. ... This article is about mineral extractions. ... Business informatics (BI) is a discipline combining information technology (IT) – or informatics – with management concepts. ... Ammunition, often referred to as ammo, is a generic term meaning (the assembly of) a projectile and its propellant. ... For other uses, see Bomb (disambiguation). ... This article is about the video game. ... This article lists military technology items, devices and methods. ... Marine Engineers are the officers of a ship which operate and maintain the propulsion and electrical generation systems onboard a ship. ... For other uses, see Home (disambiguation). ... This article is about the use of technology in education delivery. ... A major appliance is a large machine which accomplishes some routine housekeeping task, which includes purposes such as cooking, food preservation, or cleaning, whether in a household, institutional, commercial or industrial setting. ... Domestic technology is the incorporation of applied science into the home. ... The food technology room at Marling School in Stroud, Gloucestershire. ... Engineering is the discipline and profession of applying scientific knowledge and utilizing natural laws and physical resources in order to design and implement materials, structures, machines, devices, systems, and processes that realize a desired objective and meet specified criteria. ... Aerospace engineering is the branch of engineering that concerns the design, construction and science behind aircraft and spacecraft. ... An architectural engineer applies the skills of many engineering disciplines to the design, construction, operation, maintenance, and renovation of buildings while paying attention to their impacts on the surrounding environment. ... Audio engineering is a part of audio science dealing with the recording and reproduction of sound through mechanical and electronic means. ... Automotive engineering is a branch of Vehicle engineering, incorporating elements of mechanical, electrical, electronic, software and safety engineering as applied to the design, manufacture and operation of automobiles, buses and trucks and their respective engineering subsystems. ... Biological engineering (a. ... Unser Nachbar hat ein neues Auto. ... The AbioCor artificial heart, an example of a biomedical engineering application of mechanical engineering with biocompatible materials for Cardiothoracic Surgery using an artificial organ. ... Broadcast engineering is the field of electrical engineering, and now to some extent radio and television broadcasting. ... Ceramic engineering is the technology of manufacturing and usage of ceramic materials. ... Chemical engineers design, construct and operate plants Chemical engineering is the branch of engineering that deals with the application of physical science (e. ... The Falkirk Wheel in Scotland. ... Computer engineering (or Computer Systems Engineering) encompasses broad areas of both electrical engineering and computer science[1]. Computer engineers are electrical engineers that have additional training in the areas of software design and hardware-software integration. ... Construction engineering concerns the planning and management of the construction of structures such as highways, bridges, airports, railroads, buildings, dams, and reservoirs. ... In physics or engineering, cryogenics is the study of the production of very low temperatures (below –150 °C, –238 °F or 123 K) and the behavior of materials at those temperatures. ... Electrical Engineers design power systems. ... Electronic discipline that deals with the behavior and effects of electrons (as in electron tubes and transistors) and with electronic devices, systems, or equipment. ... Environmental engineering[1][2] is the application of science and engineering principles to improve the environment (air, water, and/or land resources), to provide healthy water, air, and land for human habitation and for other organisms, and to remediate polluted sites. ... Materials engineering is a discipline related to materials science which focusses on materials design, processing techniques (casting, rolling, welding, ion implantation, crystal growth, thin film deposition, sintering, glassblowing, etc. ... Mechanical Engineering is an engineering discipline that involves the application of principles of physics for analysis, design, manufacturing, and maintenance of mechanical systems. ... Mechatronics is the synergistic combination of mechanical engineering (mecha for mechanisms, i. ... Metallurgical engineering- Designing, creating, or producing metals by various methods, for various applications, from metallic elements described on the Chemical Periodic Table of the Elements. ... Mining Engineering is a field that involves many of the other engineering disciplines as applied to extracting and processing minerals from a naturally occurring environment. ... Steamer New York in c. ... Nuclear engineering is the practical application of the breakdown of atomic nuclei and/or other sub-atomic physics, based on the principles of nuclear physics. ... Optical engineering is the field of study which focuses on applications of optics. ... Petroleum engineering is involved in the exploration and production activities of petroleum as an upstream end of the energy sector. ... Software engineering is the application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software. ... Structural engineering is a field of engineering that deals with the design of structural systems with the purpose of supporting and resisting various loads. ... Systems engineering techniques are used in complex projects: from spacecrafts to chip design, from robotics to creating large software products to building bridges, Systems engineering uses a host of tools that include modeling & simulation, requirements analysis, and scheduling to manage complexity Systems Engineering (SE) is an interdisciplinary approach and means... This article or section does not adequately cite its references or sources. ... Tissue engineering is the use of a combination of cells, engineering and materials methods, and suitable biochemical and physio-chemical factors to improve or replace biological functions. ... For other uses, see Safety (disambiguation). ... The AbioCor artificial heart, an example of a biomedical engineering application of mechanical engineering with biocompatible materials for Cardiothoracic Surgery using an artificial organ. ... Map of the human X chromosome (from the NCBI website). ... Insulin crystals Biotechnology is technology based on biology, especially when used in agriculture, food science, and medicine. ... Cheminformatics (also known as chemoinformatics and chemical informatics) is the use of computer and informational techniques, applied to a range of problems in the field of chemistry. ... Fire protection engineering (also known as fire engineering or fire safety engineering) is the application of science and engineering principles to protect people and their environments from the destructive effects of fire and smoke. ... Health Sciences are the group of disciplines of applied science dealing with human and animal health. ... The Nutrition Facts table indicates the amounts of nutrients which experts recommend you limit or consume in adequate amounts. ... Pharmacology (in Greek: pharmakon (φάρμακον) meaning drug, and lego (λέγω) to tell (about)) is the study of how drugs interact with living organisms to produce a change in function. ... Safety engineering is an applied science strongly related to systems engineering and the subset System Safety Engineering. ... Sanitary engineering is the application of scientific or mathematical principles with to the field of sanitation, especially in regards to its affect on public health. ... Look up aerospace in Wiktionary, the free dictionary. ... Aerospace engineering is the branch of engineering that concerns the design, construction and science behind aircraft and spacecraft. ... Automotive engineering is a branch of Vehicle engineering, incorporating elements of mechanical, electrical, electronic, software and safety engineering as applied to the design, manufacture and operation of automobiles, buses and trucks and their respective engineering subsystems. ... The Engine room of Argonaute, a French supply vessel. ... Space technology is a term that is often treated as a category. ...

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