dilution air

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• Dilution (equation) — Dilution is a reduction in the concentration of a chemical (gas, vapor, solution). It is the process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent. To dilute a solution means to add more solvent …   Wikipedia

• Air Quality Index — The Air Quality Index (AQI) is a standardized indicator of the air quality in a given location. It measures mainly ground level ozone and particulates (except the pollen count), but may also include sulfur dioxide, and nitrogen dioxide. Various… …   Wikipedia

• Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …   Wikipedia

• Room air distribution — Characterizing how air is introduced to, flows through, and is removed from spaces is called room air distribution. [Fundamentals volume of the ASHRAE Handbook , Atlanta, GA, USA, 2005] HVAC airflow in spaces generally can be classified by two… …   Wikipedia

• Crankcase dilution — is a phenomenon of internal combustion engines in which unburned diesel or gasoline accumulates in the crankcase. Excessively rich fuel mixture or incomplete combustion allows a certain amount of fuel to pass down between the pistons and cylinder …   Wikipedia

• nitrogen dilution — the addition of nitrogen to inhaled air to lower its oxygen tension, producing an alveolar oxygen tension equal to a desired oxygen pressure …   Medical dictionary

• Combustor — Flame stabilized by cyclone. A combustor is a component or area of a gas turbine, ramjet, or scramjet engine where combustion takes place. It is also known as a burner, combustion chamber or flame holder. In a gas turbine engine, the combustor or …   Wikipedia

• ACAD — Air Containment Atmosphere Dilution ( > IEEE Standard Dictionary ) …   Acronyms

• ACAD — Air Containment Atmosphere Dilution ( > IEEE Standard Dictionary ) …   Acronyms von A bis Z

• PROPULSION AÉRONAUTIQUE — Des origines à la Seconde Guerre mondiale, l’essor de l’aviation a été associé à la propulsion par l’hélice. Suivant les possibilités technologiques apportées par d’autres branches d’activités, l’hélice fut mise en mouvement par un moteur à… …   Encyclopédie Universelle

• Propulsion aérienne — Propulsion des aéronefs La propulsion, sur un aéronef, est obtenue en créant une force, appelée poussée, qui résulte de l accelération d une masse d air par une hélice (entraînée par un moteur) ou par un turboréacteur. Au début du… …   Wikipédia en Français