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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.

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. Currently, 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.

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.

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.

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.

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.