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</html>";s:4:"text";s:28234:"The viscosity of water is 8.90× 10−4 Pa-s at 25°C. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Figure 1: Rectangular Weir. <a href="https://www.qu.edu.qa/static_file/qu/colleges/engineering/civil/documents/Lab%20Manuals/Fluid_Mechanics_Lab_Manual.pdf"><span class="result__type">PDF</span> Lab. Manual Fluid Mechanics - Qatar University</a> It should include objective, what was done, results and conclusions. D. Halliday, R. Resnick and J. Walker, Physics. <a href="https://www.vivaquestions.in/2021/04/viscosity-experiment-class-11.html">Viscosity Experiment (Class 11) - Practical Viva Questions ...</a> Requirements: Ostwald viscometer, rubber tube with screw pinch cock, stand, beaker, unknown liquid, distilled water. <a href="http://web.cecs.pdx.edu/~gerry/class/EAS361/lab/pdf/EAS361_LabManual_Fall2004_r3.pdf"><span class="result__type">PDF</span> Laboratory Manual for EAS 361 Engineering Fluid Mechanics</a> The answer should be in units of kg/cm s, or mPa-s. For comparison, the viscosity of water is approximately 1 mPa-s. For accuracy, have students repeat the experiment and calculate an average viscosity. 5. Objective Sample Analysis Report Status: !! Use SI units - meter for length, kilogram for mass, seconds for PRINCIPLE The principle of the viscometer is to determine the falling time of a sphere with known density and diameter within a fluid filled inside glass tube. EXPERIMENT: Redwood's viscometer OBJECTIVES: To determine the variation of viscosity of lubricating oil and coconut oil with temperature INTRODUCTION: Lubricants are used mainly two reasons; (a) To reduce the resistance to relative motion between two surfaces in contact under pressure (b) To reduce wear of surface in contact under pressure . If you have not yet encountered the concept of viscosity in your studies, do read the THE VISCOUSITY OF VISCOUS FLUIDS (PART A) INTRODUCTION The aim of the experiment is to determine the viscosity of glycerine (a viscous fluid) by using guinea-and-feather apparatus and to determine the viscosity of the glycerine by using Hoeppler Method.. Laboratory Experiment #1 Measurement of Kinematic Viscosity Marian Muste, Fred Stern 1. The Lab Report: Requirements: You will write a full lab report for this . Lab Partners: Giulio Zhou and Kevin Wu November 27, 2012 1. In this lab investigation, we are mainly concerned with determining the density of solid The viscosity of the fluid sample We wanted to investigate the synthesis, ecotoxicity, and other characterizations of various . FIVE PRINCIPLES OF SAFETY Our Safety Program incorporates only a few principles, but each one is essential. Consider the flow in an element of height !h at a depth h below the surface. Source: Measurement of coefficient of viscosity of motor oil - Lab manual.pdf According to the figure 7.1, the body will move in a CONSTANT velocity after a certain period of acceleration due to the viscosity of the liquid and the net force acting on it will be zero. Slime is composed of Elmer's glue, water and sodium tetraborate (Borax). (50 c.c.) Theory The viscosity of given oil is determined as the time of flow in redwood seconds. . Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. Lentz with the data obtained by Group E. Theory:- The Herschel Venturi pipe used in this experiment is a form of a . 1 Background of the Experiment Mass density describes how heavy an object is. Two of the experiments provided results consistent with the known value for the viscosity. In addition to the categories discussed in these guide-lines you should provide answers to all the questions posed in this laboratory experiment write-up. 1. Principle: Terminal velocity, v= [2(ρ - σ)g/9 η . The experiments will make much more sense to you if you are prepared, and they will take much less time to complete. The key equation here is Stokes' law, which says that the force acting on a sphere Introduction: In the first experiment we validate Torricelli's law, which shows (ignoring viscosity) that the exit speed of a fluid depends only on the height of the column of water above it. Apparatus: A tall glass jar, viscous liquid (ex: castor oil or diesel), 6 or 7 identical lead shots, screw gauge, stop watch etc. 3. Step 1 - Gather four clear glass jars and fill one with water, one with corn syrup, one with cooking oil (we used vegetable oil, but any cooking oil will work) and one with honey. Viscosity of water at differenttemp is listed below: PROCEDURE: 1. EXPERIMENT: Redwood's viscometer OBJECTIVES: To determine the variation of viscosity of lubricating oil and coconut oil with temperature INTRODUCTION: Lubricants are used mainly two reasons; (a) To reduce the resistance to relative motion between two surfaces in contact under pressure (b) To reduce wear of surface in contact under pressure . Through this pressure differential . Understand the importance of viscosity in relation to a fuel system. Viscosity Lab Report abstract the objective of this lab is to determine the dynamic viscosity of commercial gear oil. A weight, W, is used to drive a rotor that is partially submerged in a sample of liquid. Specifically, you will be using a fluid column as a viscometer. Download file PDF Read file. Read carefully the lab manual before performing experiments. The theory state that a body that moving in a fluid is acted on by a frictional force in the opposite direction of its velocity. The purpose of this experiment is to measure the viscosity of unknown oil with a falling ball viscometer. The viscosity test was performed in two different conditions in which one we kept the temperature constant and . Equation 1 is known as Newton's Law of Viscous Flow[2]. This allows the way that viscosity depends on temperature to be described by the Andrade equation. THE CHEMISTRY OF "SLIME" ACTIVITY Background Information: Slime is a fascinating substance that can be fun & educational. Conclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. The final experiment had possible errors due to the experimental setup. lab. Estimate the uncertainty in viscosity using a 0th order analysis and a partial 1st order analysis (i.e. Part I - Viscosity Key Concepts: • Viscosity tells us the resistance of a fluid on which a force is acting. 1. Abstract This report is intended to explain an experiment performed to determine the viscosity of butcher oil as a function of temperature and to determine weather the oil was a Newtonian or non-Newtonian fluid. The objective of this laboratory experiment was to demonstrate Poiseuille's law and use the relation to calculate the kinematic viscosity of water. Lab 5: Discharge over Weirs Fluid Mechanics Lab Page 3 Flow through a Rectangular Weir: A rectangular weir in a thin squared edged weir plate installed in a weir channel as shown in Fig. 5. Viscosity Lab Procedure: Teacher Manual Goals: Understand what viscosity is. internal friction of viscosity which is a force proportional to the velocity gradient. estimate your uncertainty in the time measurement as ± 2σ using the statistics of your 30 measurements). Can be calculate the Relative Viscosity by the relationships: Liquid 1: ethanol (density of ethanol = 0.789 g/cm3) It is an example of how chemistry is used in everyday life. PDF Questions with Right Answers (JN0-1361 Exam) Private International law (LS2532) . EXPERIMENT NO. Viscosity is a tensorial quantity that can be decomposed in different ways into two independent components. 2 MUD RHEOLOGY TEST Viscosity, Gel Strength and Yield Point Introduction Rheology refers to the deformation and flow behavior of all forms of matter. Requirements of each section are explained in detail on page 6. Lab report # 4 CIE 321 13 Runs ℝ in the venturi meter ℝ in the orifice plate 1 13399 10331 2 15502 12297 3 17030 13721 4 18656 14912 5 21478 17262 Finding Reynolds number using dynamic viscosity: ℝ = 9. Liquids with a high viscosity, such as oil or honey, are much more vis cous than water, which has a lower viscosity. Venturi meter that is used to measure the flow of the water In addition, the points assigned to each part are also shown in the right . For laminar flow, the viscosity (or apparent viscosity)ηexpressedinpascal-secondsisgivenbythefollowing formula: M = torque in Newton-metres acting on the flat disc or viscosity experiment halldór halldór mariana monteiro fluid mechanics, ru science and engineering october 2019 Reynolds Number Final Report in LAB 1 - SlideShare Description This is a 3D simulation of a charged particle moving in a magnetic field. Redwood seconds, kinematic and dynamic viscosity with temperature. There will be a considerable change in the shape of the nappe as it passes through the notch Experiment 5 . EXPERIMENT 3 Aim: To determine the viscosity of a given unknown liquid with respect to water, at laboratory temperature, by viscometer. We need your help to maintain this site. Note the pipe diameter „D‟, the density of the manometer fluid (mercury) Experiment 6 Viscosity of High Polymer Solutions A polymer is a large molecule (macromolecule) composed of many simple units that are called repeating units. Experiment 4: Kinematic Viscosity 22 . internal friction of viscosity which is a force proportional to the velocity gradient. • To learn more about viscosity, how it varies relative to temperature, and to demonstrate one method of how it is measured. Viscosity Experiment for Class 11. Theory Density is a physical property shared by all forms of matter (solids, liquids, and gases). For example, honey is more viscous than water. 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. 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. Lab Report regarding viscosity experiment. 1 Abstract In this lab, we had multiple goals which we reached using a variety of experiments and analysis techniques. Appendix 1 - Co ver page of laboratory report 39 . De La Salle Lipa GENERAL CHEMISTRY 2 Senior High School LAB ACTIVITY 6 STEM LAB REPORT RUBRIC NAME(S): Anonuevo, Jollion Chris Galang, Allysa Jane Icaro, Vince Lowell Impas, Tracy Joy Samson, Edrei Derek Paran, Erine Rafaelle Suplido, Gabriel Martin DATE SUBMITTED: April 24, 2018 TEACHER: Ms. Fatima Gumapac (GenChemLab) SECTION:S11-07 TITLE OF EXPERIMENT: AMAZING RACE: MEASURING THE VISCOSITY . 5) Using Stokes Law determine the viscosity of the unknown fluid by using the average velocities of each of the two . To keep our site running, we need your help to cover our server cost (about $400/m), a small donation will help us a lot. Laboratory Experiment #1 Measurement of Kinematic Viscosity Marian Muste, Fred Stern 1. Understand how to change the viscosity of fluids. 5) In the calculations section of the lab manual values for the viscosity of water are given at 23(C, 25(C, and 27 (C. You can use your observed value for temperature to interpolate (or extrapolate if outside the temperature range 23(C - 27(C) the appropriate value for viscosity to use in finding the apparatus constant B for your viscometer (eq . The vi scosity (shear viscosity) of a Newtonian liquid is normally measured by a relati ve technique in an instrument calibrated using a liquid of known viscosity. Experiment (6): Flow over weirs Introduction: . It should be clear, informative, and concise. ABSTRACT This is a stand-alone summary of the report. Check electrical connections before starting the equipment. 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. A venturi narrows the diameter of the pipe for a short duration, converting pressure head to velocity head. As you are pouring the liquids, take a moment to make observations. We completed the Viscosity Experiment in class on March 18th. Always wear shoes before entering lab. 2. One of the experiments did not provide sufficient data for analysis. Burns and S.G.G. LABORATORY SAFETY 1.1. 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. VISCOSITY Introduction Rheometry refers to the experimental technique used to determine the rheological properties of materials; rheology being defined as the study of the flow and deformation of matter which describes the interrelation between force, deformation and time. LEP 1.4.04 Viscosity measurements with the falling ball viscometer 4 21404 PHYWE series of publications • Laboratory Experiments • Physics • PHYWE SYSTEME GMBH • 37070 Göttingen, Germany Data and results The experimentally determined viscosities are presented gra-phically in the Figures 2 to 4 as a function of the composition specific gravity bottle Water level elevated. These Abstract Flow rate is a common measurement which often needs to be performed. Potassium is elevated. example for measurement of density and kinematic viscosity; and recommendations for . Introduction This laboratory investigation involves determining the viscosity and mass density of an unknown fluid using Stokes' Law. Assuming that the The official SI unit for absolute viscosity is kg/m s (or Pascal-seconds, Pa s). Of course, some liquids are more viscous than others. s, Poise, P); • Kinematic viscosity is the dynamic viscosity divided by the density (typical units m2/s, Stokes, St). η is the viscosity of the air, which depends on temperature. Viscosity of Liquids Science Experiment Instructions. For the venture meter as well as for the orifice plate, the relationship Apparatus Figure 1.1 is a schematic of the viscometer. Measurements are made in an experiment involving an aqueous solu-tion of glycerine. Before you do the experiment at home, make sure to make a hypothesis which of the liquids you use will be the most viscous. experiments were analyzed. Individual lab report must be submitted on the following day of the performance of the corresponding experiments. A venturi meter allows the flow rate in a pipe to be determined from a pressure differential. The lab report should contain: Cover page, Objective, Theory and Equations, Observation Table, Result Table, Sample Calculation, Graphs, Conclusions. • For fluids, it basically refers to how 'thick' a fluid is. recommendations for laboratory administrators are included. Apparatus Figure 1.1 is a schematic of the viscometer. Fluids Laboratory at SDSU. This video covers all the aspects of Lee's Disc Experiment used for measuring the thermal conductivity of a bad conductor.Join us of Facebook -https://www.fa. General Safety rules to be followed in Fluid Mechanics Lab: 1. In this experiment we will use Stoke's Law and the concept of terminal velocity to determine the viscosity of glycerin. Note that this The methods in this experiment determine the dynamic viscosity through dropping . Purpose To measure the kinematic viscosity of a fluid, the uncertainty of the measurement, to compare the measured kinematic viscosity with manufacturer™s value, and to demonstrate the effects of viscosity by comparison of the fall times for Viscosity is a fluid property that provides an indication of the resistance to shear within a fluid. Procedure: 1. experiments, to large-scale towing tanks and wind tunnels, to in situ experiments EXPERIMENT PROCEDURE • e the time it takes a sphere to Measur fall through an aqueous solution of glycerine as a function of temperature. η = coefficient of viscosity of air = 1.81x10-5 Ns/m2 g = acceleration due to gravity = 9.81 m/s2 e = accepted value of magnitude of the electron's charge = 1.602x10-19 C As always, when you are doing computations in this lab, it is very important to use a consistent set of units. taken from a starch experiment lab report: The purpose of this lab is to:?Understand the process of gelatinization?Compare the behavior and appearance of various gelatinized starches?Understand the factors that influence starch paste viscosity Food Science Principles In this section, you will explain the principles which you explored during the . This was done by using an Ubbelohde glass viscometer (PSL Rheotek, Essex, England) and measuring the time for water to flow a specified distance in a small capillary. 4. Essay on Lab Report on Density Measurement Introduction 1. A single polymer molecule may consist of hundreds to a million monomers and may have a linear, branched, or network structure. where μ is the coefficient of dynamic viscosity of flowing fluid. After finding the temperature you can read the viscosity off the graph in Appendix A. values of d, V, vf, and vr you will determine through measurement 3 Millikan Oil-Drop Experiment rheology lab experiment - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Aim: To determine the coefficient of viscosity of a viscous liquid by measuring the terminal velocity of a given spherical body. Understand what factors govern viscosity. Names of group members 6. Instruments: Redwood viscometer-II, Stopwatch, Thermometer (0-1100C), Measuring flask. This experiment finds η for a pump oil by dropping a series of spheres through it. 3. Hydraulics Lab (ECIV 3122) . Report Your lab report should be a formal, individual report prepared according to the "Guidelines for Laboratory Reports" you have been given. FLUIDS LAB 1 FALL 2003 VISCOSITY Objectives of the Experiment: • To determine the kinematic viscosity of four grades of motor oil at various temperatures using a Saybolt Viscometer. VISCOSITY VISCOSITY OF WATER BY CAPILLARY FLOW REFERENCES D.M. the viscosity is obtained measuring the. 3. blood through a vein) and what resistance it opposes a solid body moving in it. Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. Lab # 3 Experiment # CV1 Stefan-Boltzmann Law <name> 18 September 2013 ME 326, Section B Heat and Mass Transfer Lab Group 2 Dr. Bednarz . 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