viscosity experiment lab report conclusion hardin county ky courthouse

Finally, the conclusion should offer a brief interpretation of the data, and state whether the goals of the experiment were met. Using the measurements and . 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. How did you know? Enter the email address you signed up with and we'll email you a reset link. The measured viscosity of water matched the theoretical value. assumed to be the same as that of the viscosity. If you notice, velocity is on one side of the equation and viscosity is on the bottom side of the other. Honey sure has high viscosity! The viscosity of the liquid is represented by the symbol eta. Medium Temperature [C] Drop one marble at a time and observe what happens to the marble when it enters the liquid. This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. Castor Oil 22. 3. The Physics Practicals For Class 12 CBSE is given here so that students can understand the experiments in a better way.experiment, we include viscosity and attempt to verify Poiseuille's . All other trademarks and copyrights are the property of their respective owners. the ball bearing reaches its terminal velocity, the forces acting on the ball will have reached equilibrium, as Drop 1 52 1. Cooking Oil (enough to fill one jar) We used Vegetable Oil, but any Cooking Oil will work. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. The apple juice had also higher density than the water itself. But, when you spill your water, it goes everywhere. Rheological properties can vary between fluids of the same type but from different manufacturers. 0 NSA/AMA respectively. All rights reserved. Create your account. If you're having trouble timing the marble in water, which moves pretty fast, record the trial on your phone in a video. Today, we're going to investigate the viscosity of some household fluids to understand the relationship between velocity of an object, a marble, and viscosity. R = ..ohm, Which of the following forces are dissipative in nature. - 1 Scale (1 decimal) 2 g/cm3 to 20 g/cm3. Liquid densities: from about 0. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What is the real-world implications from this experiment? Viscosity measurements can vary depending on the accuracy of the test equipment. Motor oil 30. 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. Before you start, make a prediction. By doing a reverse engineering calculation using the equation given in the lab sheet for Castro oil (0. water, rubbing alcohol, and vegetable oil). The greater the viscosity, the slower an object will move through the liquid. bearing size fall time nine times instead of three different bearing sizes, three different times would have given . (1) Two resistors of unknown resistances A strong conclusion should briefly describe the methods used in the experiment. forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. Drop 3 146 0. You can specify conditions of storing and accessing cookies in your browser, What is the conclusion of the lab report on measurement of viscosity of water, Aim : to determine the equivalent resistance of two resistors connected in series. moving layer it gets dragged along thereby slowing down the faster moving layer. R= R1 + R2 =ohm+.ohm=..ohm Ask for help with any form of tutoring and academic assistance at Tutlance. Low viscosity fluids flow easily (water, alcohol); High viscosity fluids pour slowly (molasses, cold honey, etc.). meaning that the ball bearing does not create turbulence in its wake. Then slow it down to count the seconds it took for the marble to fall. You do not need to go into detail, but you should make sure that all of the important information is included. The results indicated that although the viscosity was within an acceptable range of You can download the paper by clicking the button above. [1] The and bearing size and lastlynis the number of results reached from the different bearing sizes. Formulubla 3 - Sammanfattning International Finance, Introduction to Operations and Process Management - Summary. The point of your lab report is not to merely confirm what you expect. somewhat optimistic one. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the . acting on the sphere but the sum of all the forces will be zero. A moody diagram was plotted comparing the friction factor versus the Reynolds number. , er (0 - 1.5A) Room Temperature (72.7F)First, we fill a graduated cylinder with six inches of honey, which is our liquid that were experimenting with. Compare your results of the measurement of the viscosity with the accepted values. Now, the radius (r) of ball can be calculated as ; r = d/2. Cooled down (28.2-69.4F)(While the metal piece sank, the honey slowly warmed up.). 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. Report. Large 1 0. 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? Regardless, the results for the fluids viscosity are consistently above the Theory We consider the schematic in Figure1. The greater the. 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. Drop Frames 240 /s Velocity[m/s] case of the Motor oil. - 1 Thermometer you Lab Report regarding viscosity experiment. Conclusion for experiment diversity of bacteria. In everyday terms (and for fluids only), viscosity is "thickness". In conclusion, our hypothesis was correct, and temperature and viscosity have an inverse relationship. It is a measure of a fluid's resistance to flow. I would not changed anything from the way we worked at the lab because at least my team worked without playing and was really entertained in doing all the experiments and getting all the . Fluid mechanics lab experiment 02_aerometer_hydrometer Safeen Yaseen Ja'far . Lets get started! University Hsklinn Reykjavk Course Fluid Mechanics (T-536-RENN) Uploaded by Mariana Maia Academic year2019/2020 Helpful? (CT) DNA and UV-vis and fluorescence spectroscopy as well as viscosity experiments. Become Premium to read the whole document. Hint: What is the experiment title? The final calculated dynamic viscositys with their estimated uncertaintys can be seen in table 7 below. and the procedure is described in Section4. Drop Frames 240 /s Velocity[m/s] 3 graduated cylindersHoneyMetal piece/marble (has to be something that doesnt float. What steps did you take to conduct your experiment? Controlled Variables: Amount of liquid, mass of the object. This is a Premium document. 1. Medium 7 1 7758. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? Since we're just interested in how viscosity affects velocity of the sphere, let's look at how those two variables are related in the equation. Community Organization for Near West Homeschoolers, Spring 2023 Important Documents & Information. A graph of the experimental friction factor was compared . Liquids that have a LOW viscosity flow quickly (ie. balls were weighted on a scale and their diameter measured with a caliper, the measurements were collected The conclusion should include a discussion of the implications of the data, as well as any errors that were made during the experiment. The pipe flow investigation compared the fluid flow of smooth and rough pipes of varying diameters. Sphere Average Speed[m/s] Standard deviation Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest Filtration time was 1.5 h for the SGO membrane, whereas 48 h were required for the GONS membrane due to higher viscosity. Viscosity of vegetable oil in the range of engine oil, Antimicrobial Activity of Thyme (Thymus vulgaris) Essential Oil Against Listeria monocytogenes Scott A (page 151), The Food Chemistry Laboratory: A Manual for Experimental Foods, Dietetics and Food Scientists, Second Edition, 9076Emulsions Foams and Suspensions - Fundamentals and Applications, MECHANICAL PROPERTIES OF FLUIDS 10.1 INTRODUCTION, Introduction to Fluid Mechanics, Fourth Edition, PUMPS AND MOTORS CONTINUING EDUCATION PROFESSIONAL DEVELOPMENT COURSE, Title: Design of Diesel reactor heated by steam boiler using jatropha cake as a fuel, MEASUREMENT OF VISCOSITY OF LIQUIDS BY THE STOKE'S METHOD, Chemical Engineering Fluid Mechanics (2016), VALVES AND FITTINGS CONTINUING EDUCATION PROFESSIONAL DEVELOPMENT COURSE. 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. 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. In some cases, it may be necessary to suggest modifications for future experiments. exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. calculated and analyzed. references values. The purpose of the experiment was to measure the terminal velocity of a weighted balloon. Viscosity Of Water Lab Report. The results of this experiment showed that the concentration of salt had a negative effect on the rate of photosynthesis. 13 chapters | It is a measure of the resistance to flow. Practical investigation into Viscosity in liquids (Stokes Law). Motor oil 05%, For result analysis and evaluation we calculated the average Reynolds number for each fluid with the Its like a teacher waved a magic wand and did the work for me. 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 . It took 5m, 36.51s (336.51 s) to fall to the bottom! Make sure that your findings are easy to understand, and avoid using scientific jargon unless it is necessary. In conclusion, our hypothesis was correct, and temperature and viscosity have an inverse relationship. a measure of how much a given displacement differs locally from a rigid-body displacement. You can choose any fluids you want, but we'll suggest some here that work well: ketchup, vegetable oil and water. The viscosity of a fluid describes its resistance to movement or deformation, an easy way of conceptualizing 4 clear glass jars of the same size (we used pint sized mason jars). Ch09 - Chapter 09 solution for Intermediate Accounting by Donald E. Kieso, Jerry J. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? Additional materials, such as the best quotations, synonyms and word definitions to make your writing easier are also offered here. Have you ever experienced the frustration of trying to get ketchup out of the bottle? that the premise and assumption of laminar flow was a somewhat optimistic one, especially so in the case of This is where you will summarize all of your findings, and explain what they mean for your experiment. spam or irrelevant messages, We use cookies to give you the best experience possible. The viscosity of most fluids obeys simple laws which can be expressed by mathematical equations. 999 kg/m 3 , we find that we Cite this page Viscosity Research Paper Pages: 2 (520 words) What is the relationship between viscosity and velocity? through a measured distance of 23 was determined using a video captured at 240 frames per second. Viscosity occurs due to friction between adjacent layers of the fluid that are moving different velocity. If you want to drain a $480 \mathrm{mL}$ shake in 2.0 minutes, what pressure difference is needed? Drop 2 53 1. Would a brookfield viscometer be useful as an analysis tool when the crosslinking occurs when the polymer no longer flows? What a big difference! 35 Easy Science Experiments You Can Do Today! We'll not send =mV (5), Wheremis the mass andVis the volume of the ball bearings. Report 1. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment. The distance at which the sphere was dropped from, could have affected the terminal velocity. So, if it takes longer to get to the bottom of the container, velocity must get smaller, so viscosity is bigger. INTRODUCTION The capillary viscometers are very simple, inexpensive and used to measure the viscosity of liquids. Comments/ extra information on viscosity experiment: Strain is the geometrical measure of deformation representing the relative displacement between particles in the material body, i.e. How does heat affect viscosity? spheres of a known mass and density into an oil. Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiment's Goals. 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. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) Combining your previous answers, write a CONCLUSION (approximately 300 words or less) using the active voice for this experiment. Conclusion. 10. When one variable gets bigger, the other gets smaller. Drop 2 44 1. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. These ways included using a measuring beaker, Eureka can, and density bottle; these different ways are gone into more detail in the methods section. Discuss discrepancies and anomalies in your data. Lab Report regarding viscosity experiment. How much did you enjoy doing the experiment? error in our results. Taking into account strong dependence of the viscosity on temperature read the value of temperature and specify this temperature at the conclusions of your lab report. Drop 3 42 1. Drop 2 42 1. Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. For example, if you were testing the effects of different concentrations of salt on photosynthesis, you would want to mention that the results showed a decrease in photosynthesis as the concentration of salt increased. in table 1. Fluid viscosity refers to the resistance that the fluid produces when it flows. this is to look at the flow of water versus the flow of syrup. The pressure drop across the pipes was recorded to find both the friction factors and Reynolds numbers. Start by filling each glass with one of the liquids. Summarize the findings. The experiment records and activities consist of 6 marks, the project has 3 marks and viva on the experiment consist of 5 marks. Small 1 0. tis the inaccuracy of the time measurement Unfortunately, these equations can be solved only in very few cases, but when they can be solved it is found that fluids move in exact agreement with the mathematical predictions. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. The free 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. The answer is a property of liquids called viscosity. Discuss the methods used. can attribute a part of this systematic error to turbulence and the increased drag thereof, especially so in the Restate the Experiment's Goals. (2) By Experiment In this guide, we will discuss how to write a strong conclusion for a lab report. 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. copyright 2003-2023 Study.com. - 1 Stopwatch/Video Recorder Procedure A series of different sized ball bearings were dropped into a measuring beaker containing glycerine. We completed the Viscosity Experiment in class on March 18th. 5 g/ml to 3-4 g/ml. Introduction Practical investigation into Viscosity in liquids(Stokes Law) Introduction When dealing with fluid/mechanical systems, it is important to know what affects the rate of descent of an object through a liquid. Temperature in Farenheight Time in secs Cold 28.20 2246.80 Room Temp 72.70 336.51 Hot 208.00 1.43. 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. Record the time in your data table. ResultsHere is a table of the data we collected in this experiment. Lastly, the Reynolds number was the resistance to an externally applied shear stress. The conclusion of a lab report summarizes the experiment and its results and states whether the goals of the experiment were met. However, further sensitivity improvement is required to achieve . Include and Analyze Final Data. the calculated density of the ball bearings, which have an average density of 7581. Glycerin 110% Place a meter scale vertically beside the jar. Obviously this is not the case Fi; g. I. under ordinary conditions of measurement, but as a result of experiments by Poiseuille, it is generally assumed that a pressure po may be employed The rate of this momentum There are several methods that can be applied to measure the viscosity of a liquid, two of which are practiced in this experiment. It is also important to discuss any possible sources of error and how they could be corrected in future experiments. This was quite impossible in our experiment to be obtained. 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). The dragon is a good friend of man, but is not easy to control, like hydrogen. When you are writing the conclusion, it is important to revisit these goals and summarize how well they were met. Similarly, if a fluid has less viscosity (thickness), an object can move faster through it. (3) A voltmeter (0 - 1.5V) Which liquid do you think the marble will fall fastest in? By reducing errors and obstructions it will justify data for better discuss and . According to equation 2, the weight of a sphere (W, Law of Contract & Problem Solv (LAW-22370), Biochemistry and Molecular Biology (BIOC0001), Business Data Analysis (BSS002-6/Ltn/SEM1), Foundations of Occupational Therapy (160OT), Introduction to English Language (EN1023), 3. The actual density of steel is equal to 7800 kg/m 3 , when compared to The result of adding more cross-linking agents to a polyme. Thats nearly half an hour! Drop 3 51 1. Medium Final viscosity[Pas] 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 Extracts from this document. A viscometer consists of a graduated glass cylinder lled with the liquid in question, in our case glycerin. 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. (2) An ammet body diagram shown in figure 1 shows the forces acting on the ball as it descends down the fluid column. 2. This type of assignment is usually shorter than a research paper. On the second graph, plot the K values for the fittings (y-axis . The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor P2 - Practices digital signal processing are practices p1,p2,p3. (2019, Nov 27). The results showed that as the concentration of salt increased, the rate of photosynthesis decreased. This suggests there is a factor in the measurements or premise thats causing a systematic . As fluid move in downward direction drag force and, When the net force is zero in object, then object attains a terminal velocity, so upward force equal to, In laminar flow there is no disruption between adjac, turbulence fluid motion, the resistance result from velocity fluctuation of t, loss. Drop Frames 240 /s Velocity[m/s] Fluids with high viscosity act the opposite; they are thick and it is hard for objects to move through them. P1 - Practices digital signal processing are practices p1,p2,p3. Fweight=Fdrag+Fbuoyancy (1), We calculate the drag force acting on the ball by using the Stokes law equation, whereis the viscosity,Ris the radius of the ball bearing andvis the velocity of the ball. The experiment was not without its flaws, however. Viscosity is a measure of resistance to flow of fluid at a specified temperature. the bearing andvis the kinematic viscosity of the fluids. State Whether Your Experiment Succeeded. In our case, to determine the viscosity of the different fluids, first we need to assume that the flow is laminate The true density of water is 1000 kg/m3 . A milkshake has a viscosity of $0.50 \mathrm{Pa} \cdot$ s. To drink this shake through a straw of diameter $0.56 \mathrm{cm}$ and length $22 \mathrm{cm},$ you need to reduce the pressure at the top of the straw to less than atmospheric pressure. Nguyen Quoc Trung. Having deter- By continuing well assume youre on board with our cookie policy, Dont waste Your Time Searching For a Sample, Two Factors Affect The Viscosity Of Magma, Reaction Of Alkali Metals With Water Lab Report, Coping With Water Scarcity, Poor Water Quality and Inadequate Sanitation, CH 456: Determination of Water Hardness of Filtered and Unfiltered Water, ASK writer for The answer is a property of liquids called viscosity. The experiment objective in principle was achieved and many new techniques were learned and developed. You're trying desperately to shake it, but to no avail. A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. the fluid that are moving different velocity. Writing a conclusion in a lab report can be tricky, especially if you are not sure what to include. What Melts Ice Fastest? ResearchGate has not been able to . Small 0 0. What was the conclusion of the experiment? Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. This experiment was successful in answering the research question posed at the beginning of the lab report. Wrandom=Srn (8). Drop one marble into one fluid. shown in the equation below An adult had to help with the stove/ heating. )FreezerOvenOven-resistant cupStopwatchMeasuring tape. - 3 Ball Bearings (Small, Medium and Large) The inverse relationship predicts that as the velocity of our ball gets smaller, the viscosity of the liquid must have gotten bigger. O.M.G., what took minutes with cold and room temperature honey took 1.43s! 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. The main source of error for a lab like this is human error. 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. The data suggest that high concentrations of salt can inhibit the process of photosynthesis, which has important implications for the agriculture industry. After that, well record its viscosity by dropping a metal piece and recording the amount of time it took to reach the bottom. Viscosity is one of the properties to describe the " fluidity " of fluid. Same procedure is carried out for othe, Do not sell or share my personal information. By including all of this information, a lab report can provide a comprehensive overview of an experiment and its results. Castor oil 1. Hence the inner radius of the jar R can be found. Drop 1 43 1. It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. Bacteria Lab Report. Sorry, preview is currently unavailable. Introduction: Viscosity is a property of liquids that measures a fluid's resistance to flow. Large 8 1 7258. Abstract: Experiment 1 looks at two fluid properties, density and viscosity. The first step is to restate the goals of the experiment. Tort law & Omissions - Lecture notes 3, Transport Economics - Lecture notes All Lectures, BIOC0003 Term 1 - Lecture notes All term 1 lectures, Solved problems in engineering economy 2016, Extensive lecture notes from the lectures Equity and Trust Law 2013/14 (64 pages), Frustration - Contract law: Notes with case law, Cuadernillo de ansiedad nios/adolescentes y adultos, Analisis Pertandingan Voli Kelompok 4 XII IPA 2 (Daun Palem), Framework FOR Analysing International Business Environment, Born in Blood and Fire - Chapter 1 Encounters Notes, Answers - Market Segmentation Activity Worksheet, Unit 1 assigment 2 - BTEC business level 3. unit 1 assignment 2. exploring business, Las Bicicletas Son Para el Verano - Deep Analysis, Multiple Choice Questions Chapter 16 Public Goods, M&A in Wine Country - Cash flow calculation, Acoples-storz - info de acoples storz usados en la industria agropecuaria, Exam 2 April 17.10.18, questions and answers, Tutorial 2 (Week 04 Tutorial Session) - Manometers - Solutions. The lower the viscosity of a liquid, the thinner the liquid is and the less resistance it experiences. Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) Describe the technique you used to measure viscosity and determine crosslinking. This means that when the temperature goes up, viscosity goes down, and when the temperature goes up, viscosity goes down. following formula. Glycerin 21. This is why it is perfectly acceptable to reject the hypothesis. Drop Frames 240 /s Velocity[m/s] The density of the ball bearings were calculated with the following formulas 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? are off by 2. Use the template provided to prepare your lab report for this experiment. 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 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.

3 Reasons Why Corrosion Test Is Conducted, Articles V