Otro
Aneroid Barometer
Autor
Blinder, S. M.
Resumen
Concept of pressure. Notions of how atmospheric pressure depends on elevation above sea level The pressure-sensitive component of an aneroid barometer is a row of flexible, evacuated cells, often made of a beryllium-copper alloy, supported by internal springs. Small changes in atmospheric pressure cause the assembly of cells to expand or contract which, in turn, deflects the pointer of a semicircular gauge. The device illustrated in the graphic represents an idealization of an older design, whose mode of operation is easier to understand. Modern aneroid barometers are much more compact, with their components concealed Componente Curricular::Ensino Médio::Física Componente Curricular::Educação Superior::Ciências Exatas e da Terra::Física
Materias
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