Homogeneous Charge Compression Ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to...

rotary generator. Mainspring Energy's linear generator is a Homogeneous Charge Compression Ignition (HCCI) - a form of internal combustion in which well-mixed...

cycles can be classified as vapor compression, vapor absorption, gas cycle, or Stirling cycle types. The vapor-compression cycle is used by many refrigeration...

engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel...

traditionally the compression stroke, the charge is partially expelled back out through the still-open intake valve. Typically, this loss of charge air would...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

\Delta S_{C}<0} because the isothermal compression decreases the multiplicity of the gas. Isentropic compression. (4 to 1 on Figure 1, D to A on Figure...

Torino 2008, GM Powertrain Europe announced the ignition-less HCCI (Homogeneous Charge Compression Ignition) mode of the direct injection version of 2.2...

preignition (or "knocking") if compression ratio is increased, but improvements such as laser ignition or microwave enhanced ignition might help prevent knocking...

thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the thermodynamic cycle most commonly found in automobile...

potential for high thermodynamic efficiency makes it ideal for diesel compression ignition engines operating in large, weight-insensitive applications, such...

transmission DeAct: Cylinder deactivation dHCCI: Diesel homogeneous charge compression ignition DMV: California Department of Motor Vehicles DOHC: Dual...

to operate at higher compression ratios. If a petrol engine were to have the same compression ratio, then knocking (self-ignition) would occur and this...

Skyactiv-X is the first commercial petrol engine to use homogeneous charge compression ignition (HCCI), in which the fuel-air mixture ignites spontaneously...

fuels Gasoline direct injection Gas turbine Heat pump Homogeneous charge compression ignition (HCCI) Hybrid vehicle Indirect injection Jet engine Magnesium...

in two ways: either a spark-ignition (SI) engine, where the spark plug initiates the combustion; or a compression-ignition (CI) engine, where the air within...

Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

with its compression ignition cannot be used in a practical Wankel engine. Therefore, Wankel engines typically have a high-voltage spark ignition system...

the cylinder. A small piston fuel pump injects liquid during compression. The ignition source was likely a hot tube as in Atkinson's other engines. This...

energy efficiency. Traditional refrigeration technologies, such as vapor-compression (VC) systems, have relied on hydrofluorocarbons (HFCs) as refrigerants...

homogeneous charge: a homogeneous mixture of air and fuel, which is ignited by a spark plug at a predetermined moment near the top of the compression...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

piston engine is well suited for Homogeneous Charge Compression Ignition (HCCI) mode, in which the premixed charge is compressed and self-ignited, resulting...

timed to occur at or near the peak of the compression stroke. A platinum igniter provided the source of ignition. Brayton describes the invention as: “I...

self ignition temperature. There are several ways to do this. As engines are designed with higher compression ratios the result is that pre-ignition is...