PRAKTIKUM FLUIDA, PRODI TEKNIK SIPIL UNIVERSITAS KADIRI 💯☝️☝️☝️☝️

Summary

This video script explains the process of measuring water flow using various instruments such as the Thomson apparatus, manometer pipes, and plunges. It covers the steps for measuring key factors like water height, temperature, velocity, and pressure at different points along the flow path. Through precise measurements and calculations, such as Reynolds number, the flow rate and fluid dynamics are determined. The importance of these measurements is emphasized in ensuring accurate fluid flow analysis and preventing issues like erosion in water systems. Detailed instructions guide users on collecting and processing this data effectively.

Takeaways

• 😀 Measure the height, width, and length of the Thomson tool to calculate the cross-sectional area of water flow.
• 😀 Water temperature measurements are crucial as they affect fluid viscosity and density, influencing flow calculations.
• 😀 Measure the water height at two points, upstream and downstream, for accurate flow rate calculations using the Thomson tool.
• 😀 Collect all data and input it into the Thomson calculation table to compute the water flow rate.
• 😀 The manometer pipe is used to measure fluid pressure, and the inner and outer pipe diameters must be measured to understand the wall thickness.
• 😀 Measuring the water's distance inside the pipe is essential for creating models to predict water flow and pressure changes.
• 😀 The water temperature in the manometer pipe is used to calculate the type of flow using Reynolds number.
• 😀 Measure the water velocity using a stopwatch and velocity meter to gather important flow data.
• 😀 Water height measurements in the manometer pipe provide information about the pressure differences at various points in the system.
• 😀 The plungpool is used to dissipate the energy of falling water to prevent excessive erosion, and it is crucial to measure its dimensions for accurate flow calculations.
• 😀 Measure water height at specified intervals before and after the bend in the plungpool to assess the water flow profile.

Q & A

What is the primary purpose of the Thomson instrument?

The Thomson instrument is used to measure the water flow rate in a channel.

Why is it important to measure the dimensions of the Thomson instrument accurately?

Accurate measurement of the dimensions of the Thomson instrument is necessary to calculate the cross-sectional area through which the water flows.

How does the temperature of the water affect the measurement process in the Thomson instrument?

The temperature of the water can influence the fluid's viscosity and density, which can affect the accuracy of flow rate measurements.

What role does the measurement of water height play in the Thomson instrument?

The measurement of water height at specific points in the Thomson instrument helps in the calculation of the flow rate.

What is the significance of the data input into the Thomson calculation table?

The data input into the Thomson calculation table is used to calculate the flow rate based on the collected measurements.

What is a manometer and what does it measure?

A manometer is a device used to measure the fluid pressure within a system.

Why is it important to measure the inner and outer diameters of the manometer pipe?

Measuring the inner and outer diameters of the manometer pipe is important because the difference between these measurements provides information about the pipe's wall thickness, which impacts pressure measurement accuracy.

How does the measurement of air speed contribute to the analysis of fluid flow in a manometer?

The measurement of air speed helps determine the type of fluid flow, and when combined with Reynolds number calculations, it can aid in understanding the fluid dynamics.

What is the purpose of the plunging pool in the water flow system?

The plunging pool is designed to dissipate the energy of falling water, preventing excessive erosion at the base of the pool or the downstream flow.

What are the steps involved in measuring the water height before and after a weir in the plunging pool?

The water height before the weir is measured at points every 20 cm, while after the weir, measurements are taken at points every 10 cm.