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[10] [11] The Dyson V6 comes in many different models with varying tools and accessories, including the Dyson Fluffy hard floor roller motorised head, and its top of the range model, the V6 Absolute comes with full HEPA filtration and a 50 W main powerhead, giving 150% more brushbar power than the standard 20 W powerhead found on lower models ...
Dyson Limited, d.b.a Dyson, is a Singaporean–British multinational technology company. [7] Founded in 1991 by James Dyson in Malmesbury , England, the company designs and manufactures household appliances such as vacuum cleaners , air purifiers , hand dryers , bladeless fans , heaters , hair dryers , and lights.
The affinity laws (also known as the "Fan Laws" or "Pump Laws") for pumps/fans are used in hydraulics, hydronics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, shaft speed) and power. They apply to pumps, fans, and hydraulic turbines. In these rotary implements ...
With the help of these equations the head developed by a pump and the head utilised by a turbine can be easily determined. As the name suggests these equations were formulated by Leonhard Euler in the eighteenth century. [1] These equations can be derived from the moment of momentum equation when applied for a pump or a turbine.
A Variable Geometry Turbocharger [4] has movable vanes which direct the flow of exhaust onto the turbine blades. Actuators are used to adjust the vane angles. Angle of vanes vary throughout the range of RPM to optimize turbine behaviour. At high engine speed, vanes are fully open and the exhaust is fully directed onto the turbine blades.
In an impulse turbine the available head is high and there is no significant effect on the efficiency if the turbine is placed a couple of meters above the tail race. But in the case of reaction turbines, if the net head is low and if the turbine is installed above the tail race, there can be appreciable loss in available pressure head to power ...
The simplest inlet to a centrifugal compressor is typically a simple pipe. Depending upon its use/application inlets can be very complex. They may include other components such as an inlet throttle valve, a shrouded port, an annular duct (see Figure 1.1), a bifurcated duct, stationary guide vanes/airfoils used to straight or swirl flow (see Figure 1.1), movable guide vanes (used to vary pre ...
The Ljungström turbine (Ljungströmturbinen) is a steam turbine. It is also known as the STAL turbine, from the company name STAL ( Swedish : Svenska Turbinfabriks Aktiebolaget Ljungström ). The technology has had numerous uses since its conception, from power plants to vehicles as large as the supertanker Seawise Giant .