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Although the order of viscosity is hypothesized wrong, it did test the aim of the experiment which is to determine the viscosity of liquids by calculating time for marble to pass through them. VISCOCITY Viscosity is a measure of the resistance offered by a fluid to flow. Get your timer ready. Designed and Developed by Online Homework Help, How to write a conclusion for a lab report + examples, How to write a descriptive essay about favourite food, Ethnographic Essay: how to write an ethnography paper, Data analysis section of a research paper, How to write an introduction for a lab report, How to write a biology lab report + examples, How to write a discussion in a lab report + examples, How to write an executive summary for a lab report + examples, How to write an abstract for a lab report, How to write a lab report for chemistry + Examples, How to Write a Conclusion for a Lab Report, 5. Lab reports are the most frequent kind of document written in engineering and can count for as much as 25% of a course yet little time or attention is devoted to how to write them well. (2) By Experiment In conclusion, our hypothesis was correct, and temperature and viscosity have an inverse relationship. Viscosity is a measure of the resistance of a fluid which is being deformed by ei- ther shear stress or tensile stress. The flow of a liquid depends on the Reynolds number as depicted in the equation below; Castor oil 17% Restate the Experiment's Goals. 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. This suggests there is a factor in the measurements or premise thats causing a systematic Community Organization for Near West Homeschoolers, Spring 2023 Important Documents & Information. Temperature in Farenheight Time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43. A factor closely associated with renal disease status in clinical diagnosis is abnormal human serum albumin (HSA) concentration levels in human body fluids urine, serum, etc. Discuss discrepancies and anomalies in your data. IntroductionViscosity is a liquids resistance to flowing. Thick liquid is said to be more viscous than a thin liquid of the road Having deter- What was the conclusion of the experiment? Have you ever experienced the frustration of trying to get ketchup out of the bottle? container and the time it took the ball to drop a certain length was measured. Ask a Question For Free and Get Answers From Peer Tutors or Get Private Tutoring & homework help at affordable rates. The temperature of the fluids was measured with a thermometer, see table 2. Even though doing these methods to reduce the error percentage there will still be some minor errors. She is also certified in secondary special education, biology, and physics in Massachusetts. How does heat affect viscosity? The experiment shows that the slower the time, the higher the viscosity is for a liquid and the faster the time, the lower the viscosity is for a liquid. Experts are tested by Chegg as specialists in their subject area. Conclusion: help. Enter the email address you signed up with and we'll email you a reset link. However, further sensitivity improvement is required to achieve . Drop 2 53 1. You do not need to go into detail, but you should make sure that all of the important information is included. Lab Report regarding viscosity experiment. Stress is a measure of the average amount of force exerted per unit . Students also viewed 4.1 - Efnislegar eignir Prentform MAVI Spurningar 1 Exam 11 December 2012, questions As the last treatment, the filtered membranes were dried in an oven model G-2100 (F.LLI GALLI G. & P. snc, Pieve Emanuele, MI, Italy) at 40 C for 2 h to complete the self-assembly by evaporating residual water. (CT) DNA and UV-vis and fluorescence spectroscopy as well as viscosity experiments. Topic: The effect of salt concentration on the rate of photosynthesis. Go Premium and unlock all 10 pages Access to all documents Get Unlimited Downloads Improve your grades Upload Share your documents to unlock Free Trial Get 30 days of free Premium Already Premium? Low viscosity fluids flow easily (water, alcohol); High viscosity fluids pour slowly (molasses, cold honey, etc.). Record the time in your data table. Glycerin 21. Glycerin 3. the resistance to an externally applied shear stress. Now, the radius (r) of ball can be calculated as ; r = d/2. This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. . Drop Frames 240 /s Velocity[m/s] After that, well record its viscosity by dropping a metal piece and recording the amount of time it took to reach the bottom. Before you start, make a prediction. Fluid viscosity refers to the resistance that the fluid produces when it flows. Drop Frames 240 /s Velocity[m/s] In this experiment, you're going to learn about viscosity. that the premise and assumption of laminar flow was a somewhat optimistic one, especially so in the case of exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. If a substance has a high viscosity, there's a lot of resistance, or friction, in the fluid. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) - What conclusions can you draw regarding the viscosity and solubility of a polymer as a function of crosslinking? Hint: What is the experiment title? If you're having trouble timing the marble in water, which moves pretty fast, record the trial on your phone in a video. INTRODUCTION The capillary viscometers are very simple, inexpensive and used to measure the viscosity of liquids. Answer: Viscosity Lab Report Conclusion It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. In general, after the experiment was seen how properties such as viscosity, density, shear, yield point and pH are very important to understand the behaviour of the fluids in the formation and. - 1 Caliper, Figure 3: Cylindrical containers - Glycerin, Motor Oil and Castor Oil, WhereWsystemis the systematic deviation,mis the advertised inaccuracy of the scale estimated to be (4) A rheostat (10 ohm) through the fluid, exerting a shear force on the fluid surrounding it. Liquid densities: from about 0. Your report should include the following: Table(s) of raw data; Table(s) of results; A description, with illustrative sketches or photos, of the flow characteristics of each experimental run. ResearchGate has not been able to . This is why it is perfectly acceptable to reject the hypothesis. The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor As The results can be seen in table 8, uncertainty is Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. Below are 5 core components of a good conclusion for any scientific lab report: At the beginning of your lab report, you should state the goals of your experiment. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, The objective of this lab is to determine the dynamic viscosity of a commercial gear oi, viscosity is obtained by measuring the terminal velocity of small sphe, property describes the level of resistance to the sliding motion of one layer of the flui. Microscope Lab Report Conclusion Questions: . Include and Analyze Final Data. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) - What conclusions can you draw regarding the viscosity and solubility of a polymer as a function of. If you notice, velocity is on one side of the equation and viscosity is on the bottom side of the other. spheres of a known mass and density into an oil. Bacteria Lab Report. The first step is to restate the goals of the experiment. Drop 3 42 1. enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same There was a high degree of variability in the data, which could be attributed to the fact that the plants were not kept in a controlled environment. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Castor Oil 22. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. 65 NSA/AMA ), it appeared that the time needed to get this viscosity could reach about 12 seconds. We will include tips on formatting and structure, as well as how to effectively communicate your findings. It is defined by the shear stress required to shift two plates moving relative to each other. Motor oil 05%, For result analysis and evaluation we calculated the average Reynolds number for each fluid with the 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). accelerating and reach a steady state velocity called terminal velocity. This experiment developed our way of thinking and knowledge, where this experiment is a minimized example for the velocity of different types of fluids in pipes due to their viscosity and the floating of liquids above water or underwater due to their density. A fluid can be a gas or a liquid, and it is easy to see that liquids are thicker than gases, and therefore have higher viscosities. 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