Engine engineering

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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.

  • Heat engines

    Heat engines are a type of reciprocating engine. They use thermal energy to obtain mechanical work.

    • 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.

    • 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.

    • 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.

    • Diesel vs. Otto: differences

      Main differences between diesel and gasoline engine. Differences in cycle, fuel input, ignition and weight between otes.

    • Engine cycles

      We distinguish three types of cycles in heat engines: theoretical, real and operational. We explain what one of them consists of.

    • 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.

    • Fuel

      The fuel has the energy that the thermal engines extract to be able to work. Types and examples of the most common fuels.

  • Electric motor

    The electric motor is a machine that transforms electrical energy into mechanical energy. Electric motors can be direct current or alternating current.

    • Types of electric motors

      Electric motors can be direct or alternating current. They can also be classified by asynchronous or synchronous motors.

    • 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.

    • Uses

      Description of different uses and applications that electric motors can have in industry and daily life.

    • 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.

  • Electric vehicles

    Electric vehicles are powered by one or more electric motors that are powered by energy stored in a rechargeable battery.

    • Advantages and disadvantages

      List of advantages and disadvantages to take correct about purchasing electric cars.

    • Engine types

      List of the types of electric motors that power electric vehicles. We explore your success in leading brands.

    • Plug-in hybrids

      Plug-in hybrid vehicles (PHEV) combine internal combustion and electric engines, with rechargeable batteries that connect to an external source.

  • Hydrogen engine

    The hydrogen engine is an excellent future alternative to the traditional combustion engine. Uses a renewable and clean energy source.

    • Hydrogen production

      The fuel used in hydrogen engines must be processed using different techniques. Explanation of how it is done and its difficulties.

    • 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.

  • Steam machine

    A steam engine is a device that produces mechanical energy using steam. It transforms thermal energy into mechanical energy.

    • Types of steam engines

      Steam machines can be classified into these two types. Plunger machines and steam turbine machines, developed a posteriori.

    • 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.

    • 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.

    • 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.

    • 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.

  • 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.

    • Advantages and disadvantages

      Advantages and disadvantages of the Stirling engine compared to internal combustion engines. Comparison with otto petrol and diesel alternative engines.

    • 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.

    • Stirling Engine Applications

      Stirling engines can be used in: mechanical propulsion, electrical generation systems, heating and cooling.

    • 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.

  • 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.

    • 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.

    • 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.

    • What is thermodynamics?

      Thermodynamics studies the movement of heat between a physical system. This study is determined by the laws of thermodynamics.

    • 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.

    • 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.

    • 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.

    • What is an engine?

      The engine is a machine capable of transforming a source of energy into mechanical energy or mechanically continuous work.

    • 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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Publication Date: March 6, 2020
Last Revision: March 6, 2020