conclusion viscosity experiment
Standard Test Method for Kinematic Viscosity of ... ensuring you repeat the investigation 3 times and take a mean result. We can calculate the coefficient of viscosity of the liquid by using the slope of the graph. Adding sugar (or molasses) changes the viscosity of the water. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. Based on the experiments described here, it is evident that spindle speed, compositional ratios, and mixing time all influence slurry viscosity. Experiment 3 Introduction to Density INTRODUCTION The purpose of this experiment is to understand the meaning and significance of the density of a substance. A weight, W, is used to drive a rotor that is partially submerged in a sample of liquid. Other The external force in this case would be the mixer in the viscometer. Students will: make an observation and write an aim/question ... provide a conclusion that links back to the hypothesis. Conclusion Based on the observation made from all the gathered data, the diameter of the steel ball has the greatest effect on the speed of the ball while flowing downward on the liquid. viscosity Experiments Objective Apparatus Figure 1.1 is a schematic of the viscometer. Analysis of Experimental Uncertainties: Density The measured viscosity of water matched the theoretical value. The procedure of determining the viscosity of bitumen via viscosity of bitumen test along with apparatus, materials, and precautions is described below. (DOC) LABORATORY REPORT HEAD LOSS IN PIPING SYSTEM | … Measuring viscosity is an effective way to know the state (properties of matter) or fluidity of a liquid or gas. It plays an important role in the quality control and in various research and development stages of a wide range of industries, including Food, Chemical, Pharmaceutical, Petrochemical, Cosmetics, Paint, Ink, Coatings, Oil and Automotives. Transcript Audio Low Bandwidth Video High Bandwidth Video ; html mp3: mov [100MB] mov [500MB] Previous Session. Familiar liquids with a noticeable viscosity compared with water are oil and concentrated sugar syrup or honey. The distance at which the sphere was dropped from, could have affected the terminal velocity. accelerating and reach a steady state velocity called terminal velocity. Bubbling Lamps of Lava - A Unique Hands On Science Night 1101. 2a confirms the outcome of the capillary tube is reasonable as the slope of the shear stress versus shear rate gives 1 mPa.s for the viscosity of water (a straight line with a slope 1.0).Moreover, Fig. Be prepared to present and defend your hypothesis to the rest of the class, and also write down a few methods that might further test your hypothesis. Experiment The theory on the viscosity of liquid in relation to time supports the hypothesis as the theory was proven correct in the result as liquids with high viscosity such as honey and shampoo have … Abstract, For our fluid mechanics final project we created a falling ball viscometer, also known as a falling sphere viscometer. Discussion - Discovering a liquids viscosity of electrons attaching to the oil drop varied. EXPERIMENT 1 The high-viscosity formofsodium carboxymethyl cellulose (CMC-H) is a thickening agentthat has been used in successful demonstrations of decreases in perceived taste intensity with increasing solution viscosity (e.g., Moskowitz & Arabie, 1970). In this experiment, you can compare the viscosity of several types of honey. Viscosity Of Water Lab Report. In everyday terms (and for fluids only), viscosity is “thickness”. Density is a basic physical property of a homogeneous substance; it is an intensive property, which means it depends only on the substance's composition and does not vary with size or amount. A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it is in motion. The aim of this experiment is to determine the coefficient of viscosity of a viscous liquid such as glycerol. A viscometer (also called viscosimeter) is an instrument used to measure the viscosity of a fluid. For liquids with viscosities which vary with flow conditions, an instrument called a rheometer is used. VISCOSITY MEASUREMENT USING FALLING BALL VISCOMETER ... 1. In gasses, viscosity increases with temperature, due to the increased interaction between gas molecules. Experiment Performed: 24 October 2017. As the sphere to falls through the oil, it will stop. There are also experiment for studying the effects of, and 65 NSA/AMA ) , it appeared that the time needed to get this viscosity could reach to about 12 seconds. 2. In separate containers mix a small amount of corn syrup with […] Use these science projects as a foundation and then come up with unique ideas of what to test to make it your own. Drop one marble at a … Eye protection: goggles; Test tubes x2 In gases its opposite, the viscosity of the gases fluids increases as the temperature of the gas increases. The experiment requires the use of fluids with viscosity values that are independent of the flow velocity (Newtonian fluids). What’s Included: 1. The more surface tension the liquid has the more the weight it can support. Conclusion: After analyzing my data, I have concluded that there is a pattern in the relationship between temperature and corn syrup viscosity. You need to consider the things that could impact on it not being a fair test – this could include things like. The most stable emulsion is when the contact angle of immersed particles is 90 . Discovering a liquids viscosity. This study examined the consequences of aspects of the battery electrode slurry preparation process on viscosity. For example, honey is more viscous than water. Viscosity is a measure of how much a fluid resists movement of a mass through it. The flrst basic method is a comparison of an ex-perimentally measured quantity to a previously determined, or theoretically calculated, quantity. Since the true pressure of the liquid can be easily calculated, the value ... 1.8 Conclusion and Recommendations: Comment on the accuracy of the gage. Viscosity Experiment. most of the evidence on which this conclusion is based has been obtained with capillary viscometers, leaving a possibility of some unrecognized bias. Science experiments you can do at home! Dynamic viscosity of oil μ=0.01743Ns m2 at a temperature of 300K In other words, there is an inverse relationship between temperature and viscosity. This experiment can be done completely by advanced students if the use of sodium is closely supervised. Conclusion Final Draft. In addition you will see a demonstration of the rotational viscometer and capillary tube viscometer. With intermediate students, the sodium reaction and possibly the reaction with acidified dichromate should be demonstrated by the teacher. For my science fair experiment, I asked the question: How does temperature affect the viscosity of syrup. Coefficient of viscosity is used to calculate the viscosity of the liquid. The pressure p depends on the head of water, i.e., the height of the water in the reservoir above the level of the Conclusions. In general, the viscosity of a simple liquid decreases with increasing temperature (and vice versa). spheres of a known mass and density into an oil. Title:expresses the topic of your study 2. Students learn how volume, viscosity and slope are factors that affect the surface area that lava covers. Calculate the value of r 2 / v in each time. Different force s will be . Suggestions … To carry out this study, the honey viscosity has been determined at a constant value of shear rate (1.4 s−1). Viscosity of fluids can be determined using a viscometer. My experiment shows that effect of temperature on a liquid's viscosity must be … If the viscosity is too high for a selected spindle and RPM, the RPM must be lowered. Then he obtained various values for q, and is found to be a multiple of 1.6 x 10 -19 C. It described the internal friction of a moving fluid. This definition implies that a … Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Students will conduct an experiment to test the viscosity of liquids and document each stage of the scientific method process. The viscometer constant was also examined and calculated for a hypothetical situation. Water is a Newtonian fluid with a constant viscosity of 1.002 mPa.s at 20 °C (Korson et al., 1969).Fig. As an example, molasses has a slower viscosity than water. Measurements are made in an experiment involving an aqueous solu-tion of glycerine. So N-THA will have potential value in the study of the pathogenesis of PD and provide a tool for further understanding the physiological and … Typicalvalues are found in the range 1 x 10 5 to 5 x 10 . Plot a graph with r 2 along X axis and terminal velocity along Y axis. Conclusion The data shows that water has the lowest viscosity. Molecular weight: the molecular weight of the liquid increases its viscosity increases. Conclusion I had some interesting results and I certainly didn’t expect the citrus oils to have a thickening effect. Viscosity test of Bitumen is carried out to determine the viscosity of bitumen specimen indirectly with the help of different viscometers available. Report Handed In: 31 October 2017. It has been acquired that velocity is directly proportional to the diameter of the steel ball. Introduction. Have fun trying these experiments at home or use them for science fair project ideas. Olugbenga Adeyemi Olunloyo. 1. Different brands of table salts can include different ingredients even if they are both table salts, thus any difference in table salts can affect the viscosity of the samples and decrease the accuracy of the results. Second fastest was vinegar and next was cellulose. But decrease in stability after that point. In this experiment you will investigate the frictional forces inherent in laminar and turbulent pipe flow. Dynamic viscosity: Dynamic viscosity (η) normally called viscosity is the ratio between the shearing stress (F/A) to the velocity gradient (dvx/dz) in a fluid. I think that, although some of the oils thinned my formulation slightly, it was possibly a combination of oils that created such a sharp decrease in viscosity. Ever wonder why some of the same liquids are sometimes thicker than other times? Hydraulic Fluid”, I have promised to create one post for understanding the concept of viscosity measurement with the help of viscometer technology.Let us understand how we can measure viscosity of a fluid, i have decided to produce one live experiment report for better understanding the concept of measurement of viscosity . The time of flow of liquid under test is compared with time required for the liquid of known viscosity, the viscosity of unknown liquid.1-3. The methods in this experiment determine the dynamic viscosity through dropping . Explore an ever growing list of hundreds of fun and easy science experiments. 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. To figure out how many grams of water was added the number of drops must be multiplied to 0.05 and the product of that is the amount of grams that was added for the needle to be lifted. Phase inversion may also occur with addition of substances that can alter the solubility of emulsifying agent. The aim of the present study was to analyze the effect produced by temperature upon the value of honey viscosity in this kind of samples. There are also experiment for studying the effects of, and (b) According to equation #9, torque is directly related to rotational speed of the spindle. The first part consists of seven experiments for measuring the physical properties of drilling fluid such as mud weight (density), rheology (viscosity, gel strength, yield point) sand content, wall building and filtration characteristics. When the fluid is made anisotropic by the addition of non-spherical solid particles the stresses due to any given motion do not have the same distribu- Falling Sphere Viscometer. I. However, the instrumental viscosity values do not relate well to the thickness perceived or to the differences in acceptability of the beverages. It travelled the fastest. Conclusion. Object The purpose of this experiment was to determine the dynamic viscosity of a given fluid using the falling sphere viscometer method. Viscosity Lab. From 5-year-olds to high school students, this cool science activity to test varying densities is engaging for all ages. Experiment 6: Viscosity (Stoke’s Law) Viscosity is a property of uids (liquids and gases) which determines how much resistance is experienced by an object trying to move through the uid. Multiple tests will be performed Conclusion: In this paper, viscosity reducers with viscosity reduction ability and foaming ability and the recovery efficiency in N2 huff-n-puff were studied. (The experiment will be carried at room temperature which is 25,00 ±0,01 0 C) Aspect 2: Controlling Variables. apparent viscosity is very low and it is considered negligible. Preliminary experiment. The viscometer we will use in this lab will measure dynamic viscosity which is the internal resistance of a fluid to flow when an external force is acting upon the fluid. This question The purpose of this experiment is to determine the viscosity with varying temperature of the liquids. Circulate around the lab and We used a 25 mL burette and 3/8-inch chrome steel bearing balls (ball bearings) to test three liquids. Conclusion- The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. The standard unit used to measure viscosity is the centistoke (cSt). According to the Automotive and Industrial Lubricants Glossary of Terms: Viscosity is ordinarily expressed in terms of the time required for a standard quantity of the fluid at a certain temperature to flow... The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. These experiments can make a good liquid density science fair project as well. This allows the way that viscosity depends on temperature to be described by the Andrade equation. Introduction. Data that supports or discounts the hypothesis - The order of the liquid's viscosity discounts the hypothesis as the result and the hypothesized order are different. To determine the density of liquid and solid provided using different methods and compare the result obtained with the standard value. By doing a reverse engineering calculation using the equation given in the lab sheet for Castro oil (0. Abstract:summarizes your research aims, methods, results, and conclusions 3. Experiment 1 Viscosity Measurement Purpose The purpose of this experiment is to measure the viscosity of a glycerin-water mixture with a Thomas-Stormer viscometer. This experiment is concerned with determining the coefficient of viscosity of an unknown fluid by using the terminal velocity of a falling sphere. Start by filling a glass about 3/4 full of corn syrup, then add the smaller glass container to the center. After performing this experiment, I therefore conclude that viscosity varies with temperature. The sections of a lab report can vary between scientific fields and course requirements, but they usually contain the purpose, methods, and findings of a lab experiment. Experiment (6): Flow over weirs Introduction: In open channel hydraulics, weirs are commonly used to either regulate or to measure the volumetric flow rate, they are of particular use in large scale situations such as irrigation schemes, canals and rivers. 1727. The maximum percentage error between the theoretical and experimental values of the head loss is 93.54@ with the flowrate of 0.000625 m 3/s. Conclusion. Corn Syrup Viscosity Experiment ages 3-10 For this cool experiment you need corn syrup, 2 glass containers, food coloring and a dropper. Place the sphere near the top of the fluid reservoir. Rough Drafts. Background. In addition, we also carried out biological experiments, which also confirmed the above conclusion. Current viscosity measurement techniques are not viable for all types of fluids. Instructions Gather four clear glass jars and fill one with water, one with corn syrup, one with cooking oil and one with honey. of times, each time varying the strength of X-rays ionizing the air. Carefully drop one marble into each jar. The order of viscosity from lowest to highest is water, sunflower oil, milk, shampoo and honey while the hypothesized order is water, milk, sunflower oil, shampoo and honey. Millikan repeated the experiment no. It can be thought of as the ‘thickness’ of a liquid. The pressure p depends on the head of water, i.e., the height of the water in the reservoir above the level of the The viscosity of materials generally decreases with increasing temperature.A definition of viscosity; “Viscosity is a measure of a fluid's resistance to flow. The significance and conclusion of the viscosity test of bitumen are also described below. VISCOSITY EXPERIMENT The flow of water, Q, is to be measured at several values of p and for two or three different capillary tubes (available at the Resource Centre). Thus, water is “thin”, having a lower viscosity, while honey is “thick”, having a higher viscosity. V. CONCLUSION: Accurate measurements of viscosity are essential in engineering calculations and design of equipment that move liquids, such as pumps, pipes and valves. viscosity of a fluid. Effect of Temperature: the temperature of the liquid fluid increases its viscosity decreases. The significance and conclusion of this test are also described. In this experiment we will use Stoke’s Law and the concept of terminal velocity to determine the viscosity of glycerin. 0. The first part consists of seven experiments for measuring the physical properties of drilling fluid such as mud weight (density), rheology (viscosity, gel strength, yield point) sand content, wall building and filtration characteristics. In this experiment you will investigate the frictional forces inherent in laminar and turbulent pipe flow. I tested the viscosity of different liquids. Each section of a lab report has its own purpose. CONCLUSION: The instrumental measurement of colour relates well to the perceived differences in the colour of these products and explains the differences in consumer preferences. The purpose of this experiment is to determine the viscosity of a certain fluid. A fluid with low viscosity however, flows easily because its molecular makeup results in very little friction. To determine the viscosity of the liquid provided and compare the experiment result The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. In this paper, several commonly used temperature-viscosity correlations are analyzed to evaluate their ability to correctly predict heavy oil and bitumen viscosity as a function of temperature. VISCOSITY EXPERIMENT The flow of water, Q, is to be measured at several values of p and for two or three different capillary tubes (available at the Resource Centre). An orifice is an opening, of any size or shape, in a pipe or at the bottom or side wall of a container (water tank, reservoir, etc. As a result no. EXPERIMENT PROCEDURE • e the time it takes a sphere to Measur fall through an aqueous solution of glycerine as a function of temperature. Viscosity is a measurement of a fluid’s resistance to change or deformation, or more simply put, how thick it is. The higher the viscosity of a solution, the slower it will flow through an opening. The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. I tested how slowly the liquids flowed. Typicalvalues are found in the range 1 x 10 5 to 5 x 10 . They also brainstorm possible solutions to lava flow problems as if they were geochemical engineers, and come to understand how the … The total energy loss in a pipe system is the sum of the major and minor losses. Experiment #1 – Viscosity Measurement Purpose: The purpose of this lab is to determine the viscosities of two different oil samples using a falling ball viscometer and to perform a full uncertainty analysis. This experiment was designed to test the viscosity of liquids and Poiseuille’s Law Q =. OBJECTIVE OF THE EXPERIMENT To study the properties of fluid and theories of measuring the properties. Therefore, design and performance prediction of the thermal recovery methods require adequate prediction of oil viscosity as a function of temperature. A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. For each sphere 1. The viscosity can be determined by measuring the position of the sphere as a function of time as it settles through the unknown fluid. Equipment Apparatus. G. Develop a hypothesis relating the viscosity parameter varied in your experiment to its affect on viscosity. Experiment #6: Orifice and Free Jet Flow. Viscosity is how thick and sticky a liquid is. The procedure of determining the viscosity of bitumen along with apparatus, materials, and precautions is described below. The huff-n-puff experiments of single sandpack and dual sandpack were carried … 2b shows that at different shear rates, the water viscosity is almost constant … The optimal 4# viscosity reducer was selected by evaluating the viscosity reduction ability, emulsion stability, interfacial performance, and foaming. Conclusion This experiment can conclude that, rheological properties such as mud viscosity and yield point are a very important parameters for a drilling mud and by using a rotational viscometer with some equations as mentioned can determine apparent and … Now, repeat the experiment by changing the diameter of the ball. pressurized liquid (in the experiment water will produced a better result than oil) which is transmitted to the gauge. This simple method is a percent difierence calculation, and is deflned by, In the experiment, as the temperature increased, the viscosity of the corn syrup decreased. Duraphat showed the highest viscosity and the lowest wettability (p<0.001) and Fluor Protector showed the highest wettability (p<0.001). An Experiment on Elasticity. ie; Simulator Procedure (As performed through Online labs) Viscosity. π∆Pr 4 /(8ηL), where P is pressure difference, r is pipe radius, L is pipe length, and η is viscosity. Below is an experiment on how to determine the coefficient of viscosity of a given viscous liquid by measuring the terminal velocity of a given spherical body. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the experiment. 197. YOU WILL NEED: A large measuring cylinder or gas jar (500 ml is about right), two rubber bands, a stopwatch, a set of ball bearings, glycerol or other suitable liquid (syrup or wall paper paste), ruler, micrometer screw gauge, thermometer. The factors effect on the viscosity: 1. Ostwald viscometer is use to determine viscosity of Newtonian fluid. Viscosity test of Bitumen is carried out to determine the viscosity of bitumen specimen indirectly with the help of different viscometers available.. For the experiments in this class, there are two basic methods that will be used to compare theory with experiment. Transcribed image text: Experiment 4-1: Viscosity test Introduction Viscosity is the resistance of a substance to flow. A field test in the Xinjiang oilfield in China shows that the viscosity of heavy oil has a certain influence on the combustion dynamics and injection-production performance of fire flooding. … 2. In our experiment we have used tubes T of radii 0.61, 0.88, 0.91 and 1.11 mm. Try to get the sphere as close as possible to the air-fluid interface. Deformation and Viscoelasticity. Determination of Viscosity. Practical to determine viscosity of … Results of this experiment show that the falling ball and rotational viscometer methods of measure the viscosity of glycerin were inaccurate. For each radius there are tubes measuring 10, 15, 20, 30 and 40 cm in length. Duraphat release was the steadiest throughout the experiment. This can be affected by stream turbulence and the surface roughness of the plate. V. Conclusion and Recommendation. Theory A fluid’s dynamic viscosity is defined as its resistance to an externally applied shear force. In liquids, the viscosity decreases with the increase in temperature, due to the increased spacing between molecules. 1. Since the experiment is said to be optional, then we must perform the experiment first before answering the question. The fluids used are mainly liquids. Viscosity determine the fluidity of fluids, it's useful property in petroleum production refining and transportation , it is used in reservoir simulators to estimate the rate of oil or gas to flow and their production, and it is needed in calculation of power required in mixers or to transfer fluid, the amount of pressure drop in pipe or column, flow measurement devices and design and … 2. When the liquid flow by gravity time required for the liquid to pass between two mark A and B through the capillary tube is determined. 3. Major losses are associated with ), through which fluid is discharged. ensuring the volume use use is the same for all fluids. Viscosity is a property of a liquid and is defined as the resistance of a liquid to flow. Explore experiments by category, newest experiments, most popular experiments, easy at home experiments, or simply scroll down this page for tons of awesome experiment … Experiment – 3 Hydraulics ... viscosity of the stream; There is no one single value of Reynolds number to describe the exact location of the transitionpoint. The experiment in this study uses a one-dimensional combustion tube to study the temperature, gas composition, and air injection pressure and the production performance of the … culation thermostat. This can be affected by stream turbulence and the surface roughness of the plate. Viscosity will increase in addition of more dispersed phase up to a certain point. I based my hypothesis off of my science textbook. In this practical we will show you how to determine the coefficient of viscosity of water by Poiseulle’s Method. Viscosity is a quantitative measurement that is useful in chemistry. These two terms are related to fluids such as liquids and gases. The key difference between rheology and viscosity is that rheology is the study of the flow of matter whereas viscosity is a measure of its resistance to deformation. 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. 2533. ensuring that you time the flow for the same distance. Dynamic viscosity of oil μ=0.01743Ns m2 at a temperature of 300K Quicksand Density and Viscosity Experiment for Elementary School Science Fair (Part 2) Experiment – 3 Hydraulics ... viscosity of the stream; There is no one single value of Reynolds number to describe the exact location of the transitionpoint. Conclusions We have presented an alternative method to measure the density and viscosity of liquids and gases using a wave propagation analysis on microscale- and nanoscale-thickness cantilevers. Flipbook templates in blackline to print (2 cover options) Pre- Lab Week 1: Corn syrup and soap both had very high viscosity. There remains a question of the accuracy of the value used for the viscosity of the initial calibrating liquid, that is of our absolute measurements of viscosity. Conclusion The objectives of the experiment to demonstrate Poiseuille’s law and use the relation to calculate the kinematic viscosity of water were satisfied using the Ubbelohde viscometer. In experiment 2, it can be concluded that as the mean velocity of the fluid increases, the head loss increases. Of this test are also described below asked the question: how temperature! Near the top of the liquid has the lowest viscosity show that the time takes. 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