Name: manometers and gauges for fluid pressure
Uploaded: 2025-02-13T15:43:11.000Z
Duration: 1 min 16 s
Channel: JoVE

La presión del fluido se mide utilizando columnas de líquido en tubos, ya sea verticalmente o en una inclinación, denominados manómetros. La altura de la columna de líquido determina la diferencia de presión.
El manómetro más simple es un tubo piezómetro que se utiliza para medir la presión. Es un tubo vertical abierto en la parte superior y conectado a un recipiente, utilizando el mismo fluido para indicar la presión en el tubo.
Otro manómetro de uso común es el manómetro de tubo en U, que consiste en un tubo en forma de U conectado a la fuente de fluido. Contiene un fluido diferente, llamado fluido manfor, que no se mezcla con el fluido cuya presión se está midiendo.
El manómetro de tubo inclinado tiene una pata inclinada, que contiene líquido manométrico que no se mezcla con el fluido medido, y la diferencia de presión se lee a lo largo de la pendiente para aumentar la sensibilidad.
Los manómetros de tubo en U y tubo inclinado se usan comúnmente para medir la diferencia de presión entre dos recipientes o puntos dentro de un sistema.
Otros manómetros incluyen el manómetro de Bourdon, que mide la presión de fluidos o gases, y el barómetro aneroide, que mide la presión atmosférica.

medición de la presión de fluidos

Measurement of Fluid Pressure

La presión de fluidos se mide comúnmente utilizando dispositivos llamados manómetros, que se basan en columnas de líquido para indicar las diferencias de presión. La altura de una columna de líquido en un manómetro refleja la presión ejercida por el fluido, lo que proporciona un medio de medición simple pero eficaz. Los diferentes tipos de manómetros sirven para propósitos específicos según sus configuraciones y el tipo de fluidos involucrados. Una forma básica de manómetro es el piezómetro, un tubo vertical abierto en la parte superior y lleno del mismo fluido cuya presión se mide. Cuando se conecta a un recipiente de fluido, la altura del fluido en el tubo se correlaciona directamente con la presión dentro del recipiente. Para aplicaciones más complejas, el manómetro de tubo en U utiliza un tubo en forma de U lleno de un fluido de medición que no se mezcla con el fluido que se está midiendo. Esta configuración permite mediciones de presión diferencial entre dos puntos. Otra variante es el manómetro de tubo inclinado, que tiene una pata inclinada. Esta pata inclinada mejora la sensibilidad al estirar la escala de medición a lo largo de la inclinación, lo que permite lecturas precisas de pequeñas diferencias de presión. Además de los manómetros, existen otras herramientas para medir la presión atmosférica y de fluidos. El manómetro Bourdon, por ejemplo, se utiliza ampliamente para medir presiones de gases o líquidos en diversas aplicaciones industriales, mientras que el barómetro aneroide mide la presión atmosférica y se utiliza habitualmente en la previsión meteorológica y en mediciones de altitud.

Medición de la presión de fluidos

La presión del fluido se mide utilizando columnas de líquido en tubos, ya sea verticalmente o en una inclinación, denominados manómetros. La altura de la columna de líquido ...

Education

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JoVE Core

Civil Engineering

Ingeniería Civil

Unit 1

Unidad 1

Fluid Statics

Estática de Fluidos

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manometers and gauges for fluid pressure

Fluid pressure is measured with manometers and related gauges. These tools use a liquid column to show pressure differences. The height of the column gives a simple reading of the force the fluid exerts.

A basic manometer is the piezometer. It is a vertical tube that is open at the top and filled with the same fluid being measured. When the tube connects to a container, the fluid height in the tube matches the pressure inside that container.

For more detailed measurements, the U-tube manometer is used. It has a U-shaped tube filled with a gauge fluid that does not mix with the fluid being measured. This setup is useful for measuring the pressure difference between two points.

The inclined-tube manometer is another form of manometer. One leg of the tube is tilted. This incline makes the scale stretch out, so it is easier to read very small pressure differences.

Other pressure tools are also used in practice. The Bourdon gauge measures gas or liquid pressure in many industrial settings. The aneroid barometer measures atmospheric pressure and is used in weather forecasting and altitude measurements.

Manometers and Gauges for Fluid Pressure

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measurement of fluid pressure

Fluid pressure is measured with manometers and related gauges. These tools use a liquid column to show pressure differences. The height of the column gives a simple reading of the force the fluid exerts. A basic manometer is the piezometer. It is a vertical tube that is open at the top and filled with the same fluid being measured. When the tube connects to a container, the fluid height in the tube matches the pressure inside that container. For more detailed measurements, the U-tube...

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key terms and concepts

Learn how piezometers, U-tube and inclined manometers, Bourdon gauges, and aneroid barometers measure fluid and atmospheric pressure in practical settings.

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JoVE Core Civil Engineering provides a foundational exploration of essential construction materials in civil engineering, focusing on bricks, stones, steel, wood, and concrete through easy-to-understand animated videos. This collection covers the properties, manufacturing processes, and practical applications of these materials. Additionally, the accompanied science-in-action videos demonstrate the research experiments performed in laboratories.

civil engineering

Manometers and Gauges for Fluid Pressure

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