Lab Experiment : Pipe Pressure Loss

Pressure gradient is the flow rate of a liquid through a pipe. This is directly proportional to the difference between the pressures at the two ends of the pipe and inversely proportional to the pip's resistance. The pressure gradient is directly dependent upon blood vessel radius which essentially controls blood flow. The bigger the blood vessel radius, the more blood flow or fluid flow. The smaller blood vessel radius, the lesson blood or fluid flow.

Procedure: Using distilled water, premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius, Fahrenheit and Kelvin.

C. An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide.

The volume of a small test tube and a thin-stemmed pipet were determined in this section of the lab. Water was poured into a small test tube until the water reached the very top edge of the test tube. The test tube was then emptied into a plastic 25 mL graduated cylinder and volume was measured and recorded into data table 3. A think-stemmed pipet was completely filled with water. Drops were carefully counted and emptied into the empty plastic 25 mL graduated cylinder until the water level reached 1 mL. The number of drops in 1 mL was recorded into data table 3. The thin-stemmed pipet had a total volume of 4 mL and that was also recorded into data table 3.

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Click the green “Collect” button to collect data, which will cease collection after 3 minutes. If the pressure becomes higher than 130 kPa, then the stopper will pop out. If this occurs, then loosen the plastic tubing around the stopper to relieve pressure. Once the data is collected, disconnect the tubing from the stopper, remove the stopper, and discard the contents in a waste beaker or sink. Move the cursor to where the values start increasing, and click. Drag the mouse pointer to the point where the pressure values stop increasing and release the button. Next, click the Linear Fit button to form a linear regression. Record the slope of the line in Table 4. The line regression box can now be closed. Repeat these steps with Test Tubes 2, 3, and 4, adding 2 drops to Test tube 2, 3 drops to Test Tube 3, and 4 drops to Test Tube 4, respectively.

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Both the orifice and the Venturi meters produce a restriction in the flow and measure the pressure drop across the meter. The velocity of a fluid is expected to increase as the fluid flows from an open area, to a more constricted area. Assuming incompressible flow, a negligible height change, and steady state, Bernoulli’s equation can be simplified to show the correlation between the volumetric flow rate and the pressure drop. The equation for both meters is as follows:

During the course of this lab, we have learned to utilize the flow process chart to break down the operation into its basic elements. We then made observations of the chart, in order to determine recommendations for increasing the efficiency of the operation. In the course of our operation we were able to determine the average weight of the three cell phones to be 201 g.

6. The outflow rate is measured by using a measuring cylinder. It is measured 3 times and averaged for a more accurate result. The results are shown in Table 2.

To calculate the expected number of pipette tips needed per month take the number of pipette tip per sample to multiply it with the average sample analysed per month, 5 x 100 = 500.

We have reviewed NFPA 24, 2010 edition that you indicated as the applicable standard as well as the 2016 edition. Our informal interpretation is that Schedule 10 galvanized pipe can be used.

To look at how the pressure drop changes when the average velocity is altered in a circular pipe and to plot a graph of Friction Factor versus Reynolds

I did my mini project which is about study of “Production of Seamless Rocket Motor Tubes” in BHARAT DYNAMICS LIMITED (BDL). During the project I learned about the entire process which involved transfer of preform to the required output. I also gained knowledge about the effect of various parameters like roller radius, stagger and hardness on flow forming process of rocket motor tube for pressure vessel application in aerospace engineering and missile

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