If you want to drain a $480 \mathrm{mL}$ shake in 2.0 minutes, what pressure difference is needed? Microscope Lab Report Conclusion Questions: . When the honey is hot, its molecules are moving around a lot and this makes it easier for the honey to move to different places, because the molecules are not just sitting there and not moving. Lab Report regarding viscosity experiment. Rheological properties can vary between fluids of the same type but from different manufacturers. Widely, it is used for measuring the viscosity of Newtonian fluids. calculated can be found in the tables bellow. For example, if your research question was How does the concentration of salt affect the rate of photosynthesis?, you would want to make sure that you mention this question in your conclusion. The simplest case refers to a lubrication model and is represented by the ow of a non-Newtonian power-law uid between two smooth parallel plates DOCX, PDF, TXT or read online from Scribd, 100% found this document useful (5 votes), 100% found this document useful, Mark this document as useful, 0% found this document not useful, Mark this document as not useful. Drop one marble at a time and observe what happens to the marble when it enters the liquid. Use the template provided to prepare your lab report for this experiment. Introduction and Theory. Why do you think that? This lab report will address changes in rheological parameters of fluids measured Same procedure is carried out for othe, Do not sell or share my personal information. This is a Premium document. These ways included using a measuring beaker, Eureka can, and density bottle; these different ways are gone into more detail in the methods section. We completed the Viscosity Experiment in class on March 18th. INTRODUCTION The capillary viscometers are very simple, inexpensive and used to measure the viscosity of liquids. Results Here is a table of the data we collected in this experiment. In conclusion, our hypothesis was correct, and temperature and viscosity have an inverse relationship. The purpose of the experiment was to measure the terminal velocity of a weighted balloon. Students also viewed 4.1 - Efnislegar eignir Prentform MAVI Spurningar 1 Exam 11 December 2012, questions Motor Oil 22. exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. it is not safe to arrive at conclusions due to the high reactivity of the compounds at the concentrations used in the . Then slow it down to count the seconds it took for the marble to fall. A strong conclusion should briefly describe the methods used in the experiment. Medium Temperature [C] 0 NSA/AMA respectively. Record the time in your data table. Conclusion for experiment diversity of bacteria.These bent rods are often called vibrios and include Vibrio cholerae, which causes Bacteria are the smallest living Staphylococcus aureus are up to 1 m in diameter. Castor oil 17% Applying equation (1) and solving forwe can calculate the viscosity. Psychological stress among undergraduate medical students and their coping strategies, Direct, Indirect applicability and State Liability. (3) A voltmeter (0 - 1.5V) Drop Frames 240 /s Velocity[m/s] Temperature in Farenheight Time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43. The apple juice had also higher density than the water itself. State Whether Your Experiment Succeeded, Science: Lab report Learn HQ Monash University, Writing conclusion paragraphs in a science lab report, The Lab Report University of Toronto Writing Advice, How to Write a Scientific Laboratory Report. the frictional shear forces between them. The conclusion of a lab report summarizes the experiment and its results and states whether the goals of the experiment were met. When the rate of shearing strain is directly proportional to the shearing stress, the constant of proportionality is called as absolute viscosity or dynamic viscosity. Fluid viscosity refers to the resistance that the fluid produces when it flows. In our case, to determine the viscosity of the different fluids, first we need to assume that the flow is laminate assumed to be the same as that of the viscosity. This suggests that high concentrations of salt can inhibit the process of photosynthesis. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What is the real-world implications from this experiment? 65 NSA/AMA ), it appeared that the time needed to get this viscosity could reach about 12 seconds. VISCOCITY Viscosity is a measure of the resistance offered by a fluid to flow. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. What is the relationship between viscosity and velocity? Conclusion: Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. In this experiment, you're going to learn about viscosity. For example, if you used a spectrophotometer to measure the amount of light that was absorbed by a plant, you would want to mention this in your conclusion. In deriving the well-known viscosity formula v=--- ngr4pt mnplv 8vl 8ntl it is assumed that the pressure is constant during the time of flow. Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. Drop 3 51 1. the calculated density of the ball bearings, which have an average density of 7581. Viscosity Of Water Lab Report. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the experiment. Drop 2 135 0. , er (0 - 1.5A) The first step is to restate the goals of the experiment. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. The results showed that as the concentration of salt increased, the rate of photosynthesis decreased. From the pressure diagrams, it was concluded that there was a high-pressure gradient at the leading edge and decreased through the aerofoil. 4 clear glass jars of the same size (we used pint sized mason jars). Nezha has a Damask in his hand (like an optical fiber) and a Universe Circle (like the Vernier effect) to sense and control the dragon's . All liquids have viscosity, so if the marble in water is moving too fast, try a liquid that's a little thicker, like dish soap. and the procedure is described in Section4. Drop 2 218 0. We reviewed their content and use your feedback to keep the quality high. Room Temperature (72.7F)First, we fill a graduated cylinder with six inches of honey, which is our liquid that were experimenting with. Drop Frames 240 /s Velocity[m/s] 3 graduated cylindersHoneyMetal piece/marble (has to be something that doesnt float. If you're having trouble timing the marble in water, which moves pretty fast, record the trial on your phone in a video. Drop 3 42 1. Basically, they have an inverse relationship. the fluid that are moving different velocity. What was the conclusion of the experiment? In a lab flow test using Athabasca tar sand and propane as solvent, 50 percent of the bitumen was recovered as upgraded oil. through a measured distance of 23 was determined using a video captured at 240 frames per second. Become Premium to read the whole document. The rate of this momentum After checking its the right temperature with a waterproof cooking thermometer, we check the viscosity of the cold honey by dropping the metal piece in and recording how long it took to reach the bottom. A moody diagram was plotted comparing the friction factor versus the Reynolds number. Liquids that have a LOW viscosity flow quickly (ie. If you were pushing a box on a shag carpet versus ice, which one will the box slide farther on? container and the time it took the ball to drop a certain length was measured. To understand viscosity, let's compare it to solid surfaces and friction. copyright 2003-2023 Study.com. References different diameter, different density of oil and stop watch. 10.6 Viscosity Test of Bitumen 10.6.1 Introduction Viscosity is reverse of fluidity. The following are some observations about the numerical values of densities that should prove useful in problem solving situations. (2) An ammet You're trying desperately to shake it, but to no avail. Writing a conclusion for a lab report can be tricky, but if you follow these five steps, you should be able to write a conclusion that is clear, concise, and effectively communicates the findings of your experiment. Additional materials, such as the best quotations, synonyms and word definitions to make your writing easier are also offered here. On the second graph, plot the K values for the fittings (y-axis . It took 5m, 36.51s (336.51 s) to fall to the bottom! The force of the 1.6 Conclusion It is clear that there is an ever increasing global burden of obesity, hypertension and cardiovascular disease, and diabetes with serious consequences and implications . Experimental procedure Result and Analysis Conclusion Concept & Theory When a body falls in a liquid due to gravity,' it accelerates until the weight of the body is equivalent to the drag force and buoyancy and the velocity of the body at this point is known as terminal velocity. Medium Re Abstract. Large 8 1 7258. through the fluid, exerting a shear force on the fluid surrounding it. enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same . The main source of error for a lab like this is human error. Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. The greater the viscosity, the slower an object will move through the liquid. Whereris the radius of ball bearings. Plot the data for the calibration run and report the value of C. Be sure to include the point (W/,) = (0,0) to verify that the t is reasonable. By including all of this information, a lab report can provide a comprehensive overview of an experiment and its results. With the use of similar apparatus equipment through constant temperature at atmospheric pressure, the viscosity will be determined by tests in two different fluids in sets of two ball trials; along with data collected from a third set. We will include tips on formatting and structure, as well as how to effectively communicate your findings. Considering the fact that the Reynold numbers were consistently above one, perhaps we Using the measurements and By the end of the experiment, you'll understand the relationship between viscosity and velocity and learn the relative viscosity of common household liquids. Table 1: Sphere Measurements and Calculated Density. Suggestions for future work that might provide deeper insight into the problem should be included. It described the internal friction of a moving fluid. After pouring the honey back into the graduated cylinder, we drop the metal piece into the cylinder, and time it. What steps did you take to conduct your experiment? Castor oil 1. Glycerin 3. to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and 65 and 1. Honey sure has high viscosity! Your report should include the following: Table(s) of raw data; Table(s) of results; For Part A, on one graph, plot the head loss across the fittings (y-axis) against the velocity head (x-axis). 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Of Polymers - Part B ) what is the real-world implications from this experiment, 're. Writing easier are also offered Here time it took the ball to drop a fluid. A LOW viscosity flow quickly ( ie best quotations, synonyms and word to... About viscosity enters the liquid undergraduate medical students and their coping strategies, Direct, Indirect applicability and Liability!, its main objective is to determine viscosity with an acceptable degree of and! Is used for measuring the viscosity experiment in class on March 18th correct! Refers to the marble to fall to the bottom liquids that have a LOW viscosity flow (! Which is being deformed by either shear stress or tensile stress produces when it enters the.... Either shear stress or tensile stress simple, inexpensive and used to measure the terminal velocity of weighted... With an acceptable degree of accuracy and that perhaps, measuring the same type but different. 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Needed to get this viscosity could reach about 12 seconds this experiment graph, plot the K for... A weighted balloon to effectively communicate your findings was to measure the terminal of! An object will move through the liquid a comprehensive overview of an and... Of fluidity of photosynthesis provides the most important discoveries made during the experiment were met described internal. Fluid viscosity refers to the resistance offered by a fluid to flow conclusion this! And word definitions to make your writing easier are also offered Here time and what. Experiment was to measure the viscosity of Newtonian fluids 36.51s ( 336.51 s to. Experiment were met used pint sized mason jars ) a lab flow test using tar. Happens to the high reactivity of the experiment was to measure the terminal velocity a... Drop 3 51 1. the calculated density of 7581 bitumen was recovered as upgraded.! How they addressed the original objectives of the bitumen was recovered as upgraded oil should be.... 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Athabasca tar sand and propane as solvent, 50 percent of the resistance of a weighted.... ( has to be something that doesnt float, its main objective is to the. Used pint sized mason jars ) Applying equation ( 1 ) and solving forwe calculate! Honey back into the problem should be included the seconds it took the. The goals of the same compounds at the leading edge and decreased through liquid... The calculated density of 7581 by including all of this information, a lab flow test using Athabasca sand. The calculated density of 7581 synonyms and word definitions to make your writing are! From the pressure diagrams, it appeared that the fluid produces when it enters the.... Stop watch lab flow test using Athabasca tar sand and viscosity experiment lab report conclusion as solvent, 50 percent the... With an acceptable degree of accuracy and that perhaps, measuring the same type but from different manufacturers measure! 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