- Variable Speed Fan
- Engineering: VSF
Универсальный русско-английский словарь. Академик.ру. 2011.
Универсальный русско-английский словарь. Академик.ру. 2011.
Variable air volume — (VAV) is a technique for controlling the capacity of a heating, ventilating, and/or air conditioning (HVAC) system. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately convert|55|F supply air … Wikipedia
Fan control — is the management of the rotational speed of an electric fan. There are many types of electric fans and many types of fan controls. This article principally describes the control of a computer fan, to provide adequate cooling while lowering noise … Wikipedia
Variable Cycle Engine — In a Variable Cycle Engine (VCE) the engine cycle is deliberately modified from that which would occur under normal circumstances.The next generation of Supersonic transport (SST) may require some form of VCE. SST engines require a high Specific… … Wikipedia
Variable Density Tunnel — Infobox nrhp name = Variable Density Tunnel nrhp type = nhl caption = The tank of the Variable Density Tunnel arriving in 1922 lat degrees = 37 lat minutes = 4 lat seconds = 43 lat direction = N long degrees = 76 long minutes = 20 long seconds =… … Wikipedia
Ceiling fan — A ceiling fan is a fan, usually electrically powered, suspended from the ceiling of a room, that uses hub mounted rotating paddles to circulate air. Casablanca Fan Co. ceiling fan from the early 1980s. A ceiling fan rotates much mo … Wikipedia
Centrifugal fan — Figure 1: Components of a centrifugal fan Figure 2: Centrifugal fan … Wikipedia
Adjustable-speed drive — (ASD) or variable speed drive (VSD) describes equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment… … Wikipedia
Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… … Wikipedia
Computer fan — A 3D illustration of four 80 mm fans, a type of fan commonly used in personal computers (sometimes as a set, or mixed with other fan sizes). A computer fan is any fan inside, or attached to, a computer case used for cooling purposes, and may… … Wikipedia
Window fan — A window fan is a fan designed to be placed inside the frame of a window. Window fans have been used for many decades to maintain comfortable temperatures and ventilation within one s home.Design and operationWindow fans are designed to fit… … Wikipedia
VSFD — Variable Speed Fan Drive (Governmental » Military) … Abbreviations dictionary