FABE2110- Fluid Mechanics Report number: 4 Team Number: 10 Team Members: First name Last name Student ID number Samuel Schroeder 200144956 Nick Ciccotelli 200345308 Farahan Quadri 200332922 Harsh Patel 200257473 Date: May 4, 2015 Page 2 Table of Content: Topic Page Number 1. Introduction 3 2. Observation 3-7 3. Table Of Parts 7-9 4. Drawing Of The Setup 9 5. Documentation For Instrumentation 9-13 6. Results & Calculations 13 7. Conclusion 14 8. References 14 Page 3 Introduction: This project was designed to mimic the process of an actual experiment in the field. There were several stages to this project, each with its own required data in order for the next stage to work. The first stage was to analyze the setup of the pipes, fluid flow, pump, etc. in order to obtain the necessary data for the calculations. The lengths, diameters, and brands of the pipes were taken, and this information was used to calculate the circumference of the pipes, which was needed for the next stage of the project, the next stage of the project included setting up Excel sheets to calculate all of the necessary specifics of the pipe flow system. These rough data estimates were then refined after a session at the lab, obtaining concrete, precise data to be put into an Excel document, to obtain the hard values for the project. The biggest data point contained in the Excel sheets is head loss, which is calculated using the pressure gauges and the head loss within the pipes. All of this data is recorded throughout this report, and a timeline of the project, from the first session to the deadline, is detailed immediately below. The Excel sheets used to calculate data are attached as well. Included within this report is the timeline of the project, including dates of major points within the project, the pictures of all the different pipe sections and the elbows, labeled for convenience purposes and included in a chart detailing specifics of each section, the calculations required to obtain each data point within the Excel sheets, and a conclusion, summing up the contents of the report. Timeline of Project: 1. February 19: Use the lab to obtain values for numerous aspects of materials used in the experiment (pipe lengths, pump type, diameter of pipes, etc). 2. February 19: Wrote report detailing a list of pipes, elbows, pumps, etc, along with their given lengths, types, model number, etc. This will be used as a reference to obtain necessary values later in the experiment, such as diameter and area. 3. March 26: Wrote report detailing methods to calculate all friction loss within the system and pump work. This also details an experimental plan, complete with timeline, and a list of data that needs to be collected in the lab in order for the experiment to be completed. 4. March 27- April 09: Complete experiments in the lab, obtaining necessary data for all of the calculations. 5. April 09: Write report with completed data tables for our experiment. 6. April 10- April 26: Complete 2-D and 3-D models of the setup, complete with pipes, pumps, elbows, etc. 7. April 26: Compile Final Report, finishing everything and combining all data into one report. 8. May 4: Turn in Final Report. Page 4 Timeline of experiment: For the purposes of this project, a brief timeline of the physical experiment is detailed below: From T(o) [Time zero] the velocity of the water will be zero as the pump has not started to work. From T(o) the fluid inside the pipes will ramp up in velocity as the pump forces the fluid to the set flow rate. After T(x) [time that the velocity has met its equilibrium speed] find the pressure of the gauges for the maxed fluid velocity through the system. Observations: Apparatus can be divided into seven main parts, images of which are shown below. There were a total of Forty one parts which can be divided into 1. 1 Motorized Hydro Pump 2. 1 Pump to measure Volumetric Flow. 3. 4 Pressure Gauges located at different locations of the apparatus. 4. 4 Thick Elbows. 5. 15 Thin Elbows. 6. 3 Thick Pipes. 7. 13 Thin Pipes. Page 5 Page 6 Page 7 Page 8 Name Of the Parts Length (cm) ID (cm) OD (cm) Materials Brand Model No. 1. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 2. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 3. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 4. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 5. Small Pipe 17 2.159 2.54 Stainless Steel Metals Depot T343 6. Small Pipe 5.5 2.159 2.54 Stainless Steel Metals Depot T343 7. Washdown Duty Motor -- -- -- Stainless Steel Hardware Baldor CEWDM3546 8. Volumetric Flow Pump -- -- -- Aluminum Alloy Azbil MGG14C 9. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 Page 9 10. Small Pipe 38.5 2.159 2.54 Stainless Steel Metals Depot T343 11. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 12. Small Pipe 26 2.159 2.54 Stainless Steel Metals Depot T343 13. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 14. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 15. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 16. Small Pipe 184 2.159 2.54 Stainless Steel Metals Depot T343 17. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 18. Small Pipe 31.5 2.159 2.54 Stainless Steel Metals Depot T343 19. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 20. Small Pipe 16 2.159 2.54 Stainless Steel Metals Depot T343 21. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 22. Small Pipe 16 2.159 2.54 Stainless Steel Metals Depot T343 23. Small Pipe Elbow 3.989 2.159 2.54 Stainless Steel Metals Depot T343 24. Small Pipe 16 2.159 2.54 Stainless Steel Metals Depot T343 25./26. Big Pipe 184 6.604 7.62 Stainless Steel Metals Depot T4114 Page 10 27. Big Pipe 159.5 6.604 7.62 Stainless Steel Metals Depot T4114 28. Big Elbow Pipe 5.984 6.604 7.62 Stainless Steel Metals Depot T4114 29. Big Elbow Pipe 5.984 6.604 7.62 Stainless Steel Metals Depot T4114 30. Big Pipe 157 6.604 7.62 Stainless Steel Metals Depot T4114 31. Big Pipe 159.5 6.604 7.62 Stainless Steel Metals Depot T4114 2D Solidworks image of the set-up (drawing): 5 4 3 1 2 1 2 3 4 5 6 Pressure Gauge 1 Pressure Gauge 2 Pressure Gauge 3 Pressure Gauge 4 Volumetric Flow Pump Cylindrical Container 6 Page 11 Page 12 Page 13 Documentation to support the instrumentations: Results and Calculations: In order to convert inches to centimeters: 1 inch = 2.54 cm Example: (1.3 in /1) * (2.54 cm/1 in) = 3.302 cm In order to find the length of the inner and outer parts of the pipe elbows, this equation was utilized: Circumference = ¼(2πr) *Circumference is multiplied by ¼ because the pipe elbow is ¼ of a circle Example: Given radius = 3.302 cm C = ¼(2*π*3.302 cm) C = ¼(20.747 cm) C = 5.186 cm Pipe lengths were measured in centimeters using measuring tape. Pipe elbow radiuses were measured using a caliper in inches. The pipe elbow measurements had to be converted to centimeters. Page 14 Excel Sheet Creation: Below will highlight a plan that shows several different aspects of a pump system. Starting with a series of calculations to find all possible friction losses within the pump system, a plan was then developed showing the steps used to calculate pump work. Finally, an experimental plan, complete with a timeline and required further data, was developed. These aspects of the pump system will be implemented later in the experiment, after actual data results are obtained, rather than placeholder ones. **Through research, we have found several data factors key to the calculations in our Excel sheet. Assumed uniform roughness of pipe, uniform fluid viscosity and fluid is at room temperature. Have actual measured data such as length of pipe and diameter of pipe. We can properly calculate the length of our elbows. We can also measure the temperature of the room for proper fluid temperature and set the flow rate given the control panel on the pump system. From the flow rate selected, we can find the area of our pipes and then find the velocity of the fluid through our system, given we have only one variable remaining. Equations to Calculate Pump Work: hl = Head loss hlm = Head Loss Minor P(1,2) = Pressure 1 & Pressure 2 V(1,2) = Velocity 1 & Velocity 2 α(1,2) = Acceleration 1 & Acceleration 2 ρ = Density g = Gravity Q = Flow rate Head Loss Equation: hl + hlm = (P1/ρ + α1(V12/2) + gz1) – (P2/ρ + α2(V22/2) + gz2) Pump Work Equation: Wpump = m[(P/ρ – V2/2 + gz)discharge - (P/ρ + V2/2 + gz)suction] Relation Equation: Wpump = Q𝛥Ppump Pump Efficiency: η = Wpump/Win Page 15 Conclusion: Throughout the duration of this project we have created an Excel sheet for calculations and conducted an experiment to measure values. Since getting all the measurable, we plugged in the values into the Excel sheet and got answers for head loss major while neglecting head loss minor. Through research, many combined hours of group work and lab experimentation we now have calculations for head loss and an Excel sheet which can calculate the head loss values given a number of inputs such as flow rates, power input, area of pipes, ect. The project went smoothly and our group worked well together communicating all meetings well and making sure all assignments were turned in complete and on time. Page 16 References: Azbil North America - AT9000 Advanced Transmitter for Gauge Pressure. (n.d.). Retrieved February 20, 2015, from http://us.azbil.com/partDetail.php?partId=154 Metals Depot - America's Metal Superstore! (n.d.). Retrieved February 20, 2015, from http://www.metalsdepot.com/products/stainless2.phtml?page=stainless pipe&LimAcc= &aident= Motorized Hydro Pump. (n.d.). Retrieved February 20, 2015, from http://www.baldor.com/
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