De-Motor is a site where we explain the most important elements of engine engineering in a way that you can understand. If you haven't found what you were looking for on the web, here is a list of all the pages we have published.
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Heat engines
Heat engines are a type of reciprocating engine. They use thermal energy to obtain mechanical work.
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Types of heat engines
Thermal engines can be classified in different ways depending on various factors. Depending on the type of fuel, the operating cycles and 4 more variables.
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Diesel engine
Diesel engines are characterized by having compression ignition. Fuel enters the cylinder by injection and ignites due to the high temperature of the gas.
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Otto engine
Otto or gasoline engines is a type of heat engine that works through the otto cylinder. The ignition of the fuel is carried out by means of a spark. The most common are 4-stroke.
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Diesel vs. Otto: differences
Main differences between diesel and gasoline engine. Differences in cycle, fuel input, ignition and weight between otes.
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Engine cycles
We distinguish three types of cycles in heat engines: theoretical, real and operational. We explain what one of them consists of.
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Parts and components
The most important elements of internal combustion engines. Fixed elements: block, cylinder head, crankcase. Moving elements: piston, connecting rod, crankshaft and flywheel.
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Fuel
The fuel has the energy that the thermal engines extract to be able to work. Types and examples of the most common fuels.
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Types of heat engines
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Electric motor
The electric motor is a machine that transforms electrical energy into mechanical energy. Electric motors can be direct current or alternating current.
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Types of electric motors
Electric motors can be direct or alternating current. They can also be classified by asynchronous or synchronous motors.
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Components of an electric motor
The motor consists of a rotating part, a rotor and a fixed part, a stator. Know the composition and parts of the different types of electric motors.
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Uses
Description of different uses and applications that electric motors can have in industry and daily life.
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History of the electric motor
The conversion of electrical energy into mechanical energy by means of electro-magnetism was demonstrated by the British scientist Michael Faraday. The first commutative DC motor was invented in 1832 by William Sturgeon.
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Types of electric motors
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Electric vehicles
Electric vehicles are powered by one or more electric motors that are powered by energy stored in a rechargeable battery.
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Advantages and disadvantages
List of advantages and disadvantages to take correct about purchasing electric cars.
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Engine types
List of the types of electric motors that power electric vehicles. We explore your success in leading brands.
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Plug-in hybrids
Plug-in hybrid vehicles (PHEV) combine internal combustion and electric engines, with rechargeable batteries that connect to an external source.
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Advantages and disadvantages
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Hydrogen engine
The hydrogen engine is an excellent future alternative to the traditional combustion engine. Uses a renewable and clean energy source.
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Hydrogen production
The fuel used in hydrogen engines must be processed using different techniques. Explanation of how it is done and its difficulties.
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Functioning
The operation of a hydrogen engine is based on the efficient use of hydrogen as fuel, either through fuel cells or internal combustion engines.
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Hydrogen production
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Steam machine
A steam engine is a device that produces mechanical energy using steam. It transforms thermal energy into mechanical energy.
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Types of steam engines
Steam machines can be classified into these two types. Plunger machines and steam turbine machines, developed a posteriori.
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Uses and applications
The main use of steam engines has been as a source of mechanical energy in industry. Today, they are used to generate electricity.
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Safety in steam engines
Working steam machines with pressure vessels that store fluids with a very high potential energy. With what is important to analyze and establish security systems.
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History of the steam engine
How the steam engine was invented, historical evolution of the steam engine. Experiments and construction of the first steam engines.
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What is steam?
Vapor to a substance in the gas phase that is at a temperature lower than the critical point. Importance of steam for human life.
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Types of steam engines
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Stirling engine
The Stirling engine is a heat engine designed to compete with the steam engine. In practice, it was used for domestic applications and for low-power motors.
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Advantages and disadvantages
Advantages and disadvantages of the Stirling engine compared to internal combustion engines. Comparison with otto petrol and diesel alternative engines.
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Stirling cycle
Analysis of the ideal cycle of a Strirling engine. Comparison with the real cycle. Volume pressure diagram. Main characteristics that differentiate the real cycle from the ideal cycle.
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Stirling Engine Applications
Stirling engines can be used in: mechanical propulsion, electrical generation systems, heating and cooling.
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History of the Stirling engine
Stirling engine travel in history. From its beginnings as an alternative to the steam engine until the appearance of electronics.
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Advantages and disadvantages
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Blog
Block related to the world of the motor from an educational and entertaining point of view. Articles of analysis, evaluation and opinion on thermal and electric motors.
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Eddy currents
Eddy currents are the currents induced in the masses of conductive metals that are immersed in a variable magnetic field or that, in motion, through a constant or variable magnetic field.
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Types of engines
Classification and description of the types of engines. Internal and external combustion heat engines. Electric motors. Power motors and non-thermal motors.
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What is thermodynamics?
Thermodynamics studies the movement of heat between a physical system. This study is determined by the laws of thermodynamics.
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What is a Pascal in Physics?
The pascal is a unit used to measure internal pressure, mechanical stress, Young's modulus and tensile strength. It is defined as a newton per square meter.
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Cogeneration
Cogeneration is the process of simultaneous production of mechanical energy and heat. The heat can be used to heat buildings and / or in industry.
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Boiler
A boiler is a container, or a set of tubes, used to heat water or other fluid. To heat the liquid can be used various fuels such as diesel, coal, biomass, etc.
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What is an engine?
The engine is a machine capable of transforming a source of energy into mechanical energy or mechanically continuous work.
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Pollution: electric or combustion vehicle
Find out which pollutes more between an electric vehicle and a combustion vehicle, analyzing their production, use and life cycle. Get specific figures and the environmental impact of both types of cars.
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Eddy currents