A flow meter (often referred to as a flow sensor) is a device to measure flow rates of a gas or liquid in many types of applications, for example, liquid passing through a conduit. This can be either via the mass (linear or nonlinear ) or volumetric flow. Despite many flow meters ...
A jogging trampoline is a mini-trampoline that has a diameter of about 40 inches and which stands about one foot above the...
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A hydrogen fuel cell bus has three main components: the fuel cell stack, the electric motor, and the hydrogen storage tanks. The fuel cell stack is made up of individual fuel cells that combine hydrogen and oxygen to produce electricity, heat, and water as byproducts. The electric motor is...
For example, consider a system consisting of two opposite electric charges of 1 coulomb each, separated by a distance of 1 nanometer. The dipole moment of such a system would be 10−9coulomb-meter. Coulomb-meter is an SI unit that applies for the electric dipole moment. However, molecular...
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Yet, there is a new trend that breaks up the monotony of common roofs: the green roof. Long popular in Europe, green rooftops have begun to appeal to homeowners, businesses and even cities as an attractive way to promote environmentalism while solving the problems of conventional roofs. ...
A collimating lens system is generally comprised of a tube and one or more lenses. By selecting optimal lens and focal distance properties, it is possible to collimate light with high accuracy. The lens can be attached to the measurement device directly or a fiber connection can be used to ...
A variable area flow meter(Figure 1) is a type of differential pressure (d/p) flow meter. Variable area flow meters are simple and versatile devices that operate at a relatively constant pressure drop and provide flow measurement of liquids, gases, and steam....
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