In this particular experiment, the cross- 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. Homogenization is done in order to decrease the globule size. EXPERIMENT PROCEDURE • e the time it takes a sphere to Measur fall through an aqueous solution of glycerine as a function of temperature. . Fluid Mechanics Report #3 - 4 - I. Cannon-Fenske Viscosity: 38.177cp @ 23˚C. Furthermore, if more data were collected for each compound it would be a better representation of the experiment's results. The final experiment had possible errors due to the experimental setup. The conclusion that we made that with an increased of speed of the pump it will cause the properties and characteristic to varied accordingly which in turn effect the overall efficiency, and with the increased of speed it is relevant that the efficiency also increased. Lab Report on study of boiling points of solutions of various concentrations involving electrolytes and non electrolytes is as follows. Your conclusions provide an overall summary of the entire lab report, and the whole experimental session itself. . As the radiation power source increased the surface temperature of the black plate, the radiation heat flux increased. Requirements of each section are explained in detail on page 6. This experiment was designed to test the viscosity of liquids and Poiseuille's Law Q = π∆Pr 4 /(8ηL), where P is pressure difference, r is pipe radius, L is pipe length, and η is viscosity. In SI unit it is measured in ⁄ . culation thermostat. Report Summary: Oil #1 Used. 3. The resulting data from these experiments demonstrated that the method is feasible. 5.0 CONCLUSION. Bibliography Greated, C. (2013) Fluid Mechanics 3 Lecture Notes, University of Edinburgh A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. Then you will determine the viscosity of a brand of "Volumizing Shampoo" using Stokes' law. This experiment aimed to determine velocity changes and pressure drops on sudden constriction connection. Conclusions 171 The control of the properties of continuum flows in flow trains of power plants . Use SI units - meter for length, kilogram for mass, seconds for Density was measured three separate ways, each having its own level of accuracy. Burns and S.G.G. Moreover, it will provide sufficient information about light and heavy crude oils. 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. Conclusion. ), through which fluid is discharged. Viscosity Lab Report Conclusion. through the pipe by measuring the pressure difference between . Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. Experiment 4: Kinematic Viscosity 22 . Transcribed image text: Experiment No. 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. 19 Calculation: Calculate the viscosity by the relationships: η1 η2 t1d1 t2d2 η1 is viscosity of liquid 1. η2 is viscosity of water 0.891 poise. Honey, corn syrup and shampoo are some of the liquids that have a higher viscosity and they are called as 'thick' whereas water and fruit juice are some of the liquids which have a lower viscosity and they are called as 'thin. Remember that thicker liquids have a higher viscosity. Viscosity Of Water Lab Report. the viscosity of suspension should be maintained within optimum range to yield stable and easily pourable suspensions because if the viscosity of the suspension is too high, the pourability decreases and might cause . f Experiment 1: Flow Characteristics over Weirs 1) The weir apparatus on the hydraulic bench were levelled and the rectangular notch weir is installed. A fluid with low viscosity however, flows easily because its molecular makeup results in very little friction. Conclusion: One can conclude that the moment for the two angles 0ᵒ, 20ᵒ are increasing as the weight is increase, and the value of the moment between (0.04903-0.9806) N.m, and the height decrease as the mass increase. We have . 05 kg of the mass holder). Flow Visualization Lab. It is defined s the ratio of dynamic viscosity to the density of liquid. Stokes law experiment lab report By: Colin Patrick, Trent McInturff, Michael Billups Abstract this report discuss the methods and viscosities of liquid glycerin to determine, and use the data to validate Stokes' laws. Published on May 20, 2021 by Pritha Bhandari. It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. 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. Specific gravity, also called relative density of a substance may be defined as the ratio of its . 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.. Introduction. ABSTRACT This is a stand-alone summary of the report. Kane and M.M. 12 SOFTENING POINT OF BITUMEN (RING-AND-BALL APPARATUS). Abstract Flow rate is a common measurement which often needs to be performed. Afterwards, you move to the Discussions, in which you ought to plainly explain all the numbers, observations and collected data. 4. Viscosity Lab Report abstract the objective of this lab is to determine the dynamic viscosity of commercial gear oil. d1 density of liquid 1. d2 density of water 0.997 g/cm3. 1 | P a g e THEORY Mass density is defined as the mass of material per unit volume (kg/m3). 4.0 CONCLUSION AND RECOMMENDATIONS The result of the experiment shows that honey is more viscous than oil. The experiments will make much more sense to you if you are prepared, and they will take much less time to complete. In conclusion, the oil is a Newtonian fluid. One of the experiments did not provide sufficient data for analysis. Individual lab report must be submitted on the following day of the performance of the corresponding experiments. the viscosity is obtained measuring the. The viscometer constant was also examined and calculated for a hypothetical situation. Theory The viscosity of given oil is determined as the time of flow in redwood seconds. A venturi meter allows the flow rate in a pipe to be determined from a pressure differential. Measurements are made in an experiment involving an aqueous solu-tion of glycerine. In C.G.S. It is denoted by ' '. (50 c.c.) 3 Sternheim, General Physics. Hydraulics Lab (ECIV 3122) . D. Halliday, R. Resnick and J. Walker, Physics. VISCOSITY VISCOSITY OF WATER BY CAPILLARY FLOW REFERENCES D.M. 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. For example, honey is more viscous than water. where Nr = Reynolds number, = density of fluid, = viscosity of the fluid, v = fluid or particle velocity, and d = diameter of particle. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the . Redwood seconds, kinematic and dynamic viscosity with temperature. 35 kg (which includes 0. In this lab, you will explore fluid flow using a simulation. You will use a fluid column as a viscometer and measure the rate of descent of a steel sphere, as it falls under the influence of gravity through the fluid, after the sphere has reached . Assignment - Viscosity Experiment & Lab Report. All of these and may be more may have an effect on our results but in general the experiment was made in a good way. Venturi meter that is used to measure the flow of the water . Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Viscosity is a tensorial quantity that can be decomposed in different ways into two independent components. as the lab manual beforeyou come to lab. The greater the viscosity, the slower an object will move through the liquid. Theory Density is a physical property shared by all forms of matter (solids, liquids, and gases). s, Poise, P); • Kinematic viscosity is the dynamic viscosity divided by the density (typical units m2/s, Stokes, St). 14.687cp @ 42.9˚C. The lab report will consist of several sections. 1. Viscosity Index: 97.078 Lab Objective: The purpose of this Lab is to measure the viscosity of petroleum fluid with three different methods, each with its own benefits and problems. The lab report should contain: Cover page, Objective, Theory and Equations, Observation Table, Result Table, Sample Calculation, Graphs, Conclusions. The second The common practice is to calibrate viscometers by a step-up technique, using a series of instruments and test fluids, based on the viscosity of water. Number and title of the experiment 4. Date the report is presented See attached sample cover page 2. Essay on Lab Report on Density Measurement Introduction 1. MIDDLE EAST TECHNICAL UNIVERSITY DEPARTMENT OF PETROLEUM & NATURAL GAS ENGINEERING PetE 216 Petroleum Rock and Fluid Properties LABORATORY MANUAL conclusion is also a general statement about how and where the . Viscosity is defined as the internal resistance of a liquid to flow. If you have not yet encountered the concept of viscosity in your studies, do read the 1166 Words5 Pages. The last lap in our "race" is to write a laboratory report. Viscosity Experiment (Class 11) Surface Tension Experiment (Class 11) Potentiometer Experiment with Readings (Class 12) . The objective of the experiment which is to compare the accuracy of each flow meter as well as to study the mechanism of the flow meters is achieved. This meant it is reliable and testing the problem in this experiment which is discovering a liquid's viscosity. 1 EXPERIMENT NO. Specific gravities and Viscosity. 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. The viscosity of a fluid indicates the resistance offered to shear under laminar condition. Experiment with two forces: Place a pulley at the 30 o mark on the Force Table and place a total of 0. Brookfield Viscosity: 40.95cp. 1. OBJECTIVE: In this experiment you will be able to analyze the effect of viscosity on pressure loss and also to understand the measurement of discharge from a pipe. Viscosity of Liquids Science Experiment Instructions. Experiment (6): Flow over weirs Introduction: . In this lab investigation, we are mainly concerned with determining the density of solid Defined by the Greek letter ρ, read as rho, density is a Experimental Analysis of Sedimentation Lab 5 Report. 1 1 Writer discusses scientific concepts and background information for the lab. is to measure and study density and specific gravity of different liquids by using hydrometer. This paragraph must be no less than 10 complete sentences. Though there were some sources of inaccuracy, the experiment successfully supported theory. Then holding the cracker without the mass, we slowly let the mass . Page 3 of 12 In-text citations appear throughout the report, especially in the introduction, discussion, and conclusion sections. t1 flow time of liquid 1. t2 flow time of water. The main purpose of a lab report is to demonstrate your understanding of the scientific method by performing and evaluating a hands-on lab experiment. Lab Report On Viscosity Of Oil. Lentz with the data obtained by Group E. Theory:- The Herschel Venturi pipe used in this experiment is a form of a . Date the experiment was performed 5. Point-source arrangement used in lateral dispersion experiments with fluorescent dye_____ 17 10. 3. Nr is a dimensionless parameter that has been found to be related to the nature of the flow around the particle. It should include objective, what was done, results and conclusions. 2) The hydraulic bench flow control valve were slowly opened to admit water to the . The dynamic viscosity ( m ) for a fluid [FT/L 2 ] is the ratio of the shear stress ( t ) acting on a fluid to the resulting rate of angular strain, which is the velocity (V or u) gradient (dV/dy or du/dy) where y is the coordinate distance normal to the direction of flow. Lab 8. This experiment was done to observe the viscosity of vegetable oil in different temperatures and how it affected the physical properties of the oil. 2) The residue water from channel and sump tank was emptied by ensuring the drain tank valve is left open. Temperature of the water tunnel is measured by thermocouple at the beginning of the experiment. In everyday terms (and for fluids only), viscosity is "thickness". Conclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. . 2 Refers to previous research on the subject. Investigations revealed that, in addition to the above-identified parameters taken into account in designing pneumatic- Abstract: Experiment 1 looks at two fluid properties, density and viscosity. Lab ReportAnnotated ab Report. The conclusion that we made that with an increased of speed of the pump it will cause the properties and characteristic to varied accordingly which in turn effect the overall efficiency, and with the increased of speed it is relevant that the efficiency also increased. This lab report was written by Levi . As you are pouring the liquids, take a moment to make observations. Can be calculate the Relative Viscosity by the relationships: Liquid 1: ethanol (density of ethanol = 0.789 g/cm3) The free surface is not horizontal and viscosity and surface tension will have an effect. C Gravity Bottle, W.9 Weight of Empty Specific Gravity Bottle+ Water, W2. Observations: Measurement of Densities, Specific gravities Room Weight of Temperature, Empty Specific deg. Procedure 1. Two of the experiments provided results consistent with the known value for the viscosity. This allows the way that viscosity depends on temperature to be described by the Andrade equation. Moving the radiometer further from the plate lessened the radiation sensed by the radiometer due to the thermal intensity . Hydrostatics Lab: Hydrostatic Pressure and Forces John Felkins Abstract Hydrostatics offers physical explanations for many occurrences of everyday life, such as why atmospheric pressure changes with altitude, why wood and oil float on water, and why the surface of water is always flat and horizontal whatever the shape of its container. Fluid Friction Lab Report. Validity-This experiment is valid as the control variables are kept constant in all repeated experiments, ensuring the independent variable is the only cause to changing the results. Through this pressure differential . The methods in this experiment determine the dynamic viscosity through dropping . Before you do the experiment at home, make sure to make a hypothesis which of the liquids you use will be the most viscous. Aspect1: Define the Problem and Select the Variables Chemistry Lab Report Background information:. Experiment 5: Smoke Point 26 . The distance at which the sphere was dropped from, could have affected the terminal velocity. 3. For fluids, it basically refers to how 'thick' a fluid is. 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. Include results from all 3 trials. 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. EXPERIMENT NO. it is measured in stoke's 1 stoke's= ⁄ Kinematic viscosity of liquid can be determined with the help of a redwood viscometer. Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. . Urea is a non electrolyte while sodium chloride is an electrolyte. As we will be using the Venturi Meter in order to measure flow, the Adjust the Flow to 50l/m using the flow control valve on . 25 kg (including 0. 2. By doing a reverse engineering calculation using the equation given in the lab sheet for Castro oil (0. 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. 1: Measurement of Densities. PHARMACEUTICAL TECHNOLOGY II LAB REPORT EXPERIMENT 2 : THE EFFECT OF DIFFERENT FORMULATION ON SUSPENSION CHARACTERISTICS . 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. 85.89. ESM 3024 Lab: Experiment #1 Measurements of Fluid Properties - Density and Viscosity Authors: Drew Lovell John Naessens Date: 9/9/14 Time: 2:00 - 4:50 p.m. 2. We held the two crackers with peanut butter in the middle in a vertical position and tied a mass to one of the crackers. The viscosity of honey changes according to the shear rate (RPM) meanwhile the viscosity of oil is constant regardless of the shear rate (RPM). As the sphere to falls through the oil, it will stop. Discussion: This won't be an official lab discussion paragraph but you must thoroughly explain the results using the background information and your knowledge of the results of the activity. g Weight of Empty Specific Gravity Bottle+ Sample, W.9 Density of sample, p. kg/m Calculations: Density of Fluid . Conclusion. In this experiment we estimated the viscosity of peanut butter by shearing it between two crackers. Fractional Distillation Lab Report 1098 Words | 5 Pages. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment.. Therefore to determine of a liquid it is necessary to determine the mass of a known volume of liquid. Experiment -3.2 Demonstration of the Pressure Drop across a Sudden Constriction Aim of This Experiment. Laboratory experiments Experiment no 2 - Density and specific weight estimation for the liquids and solid materials. In this experiment, three formulation of Mineral Oil Emulsion 50g are prepared by using different amount of mineral oil which are 20ml, 25ml and 30ml. viscosity, and velocity of gas, the type of material being conveyed, the density, size, and velocity of particles, and so on. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. The softening point is defined as the mean of the temperatures at which the bitumen disks soften and sag downwards a distance of 25 mm under the weight of a steel ball. spheres of a known mass and density into an oil. summarise the entire report, using 100 to 200 words. Two experiments were conducted: The viscosity of glycerin was determined using a rotational viscometer, and the data used LAB REPORT HYDRAULIC EXP 1 : PROPERTIES OF FLUID. In addition, the points assigned to each part are also shown in the right . Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. There were three main experiments done in this lab; the first being the classroom demonstration of viscosity. Experiment #6: Orifice and Free Jet Flow. Continuous-sampling system and traversing mechanism used in lateral dispersion experiments with Additionally, while changing the receiver from cyclohexane to toluene there was a loss of distillate which also led to the errors observed in the data. Of course, some liquids are more viscous than others. Instruments: Redwood viscometer-II, Stopwatch, Thermometer (0-1100C), Measuring flask. Through this experiment, it was determined the Reynolds number was 119366 and that for the aerofoil investigated, the stall angle was 13°. Introduction Manipulation of nymes and nymatic Processes. Complete the condensed lab report below with your findings! 1 MUD WEIGHT, MARSH FUNNEL VISCOSITY AND pH (A) MUD WEIGHT OR DENSITY TEST: Theory The density of the drilling fluid must be controlled to provide adequate In addition you will see a demonstration of the rotational viscometer and capillary tube viscometer. Objective 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 . Names of group members 6. 1.2) Viscosity (Viscosity will be discussed in a later lab this semester.) Abstract. 1. It should be clear, informative, and concise. Conclusion Both behavioral and numerical data to the Stefan-Boltzmann Law experiment were accurate. experiments were analyzed. We completed the Viscosity Experiment in class on March 18th. The measured viscosity of water matched the theoretical value. heart outlined. Place a second pulley at 130 o mark and place a total of 0. After undergo homogenization, the viscosity of each emulsion is determined by using viscometer. Configure the pumps for parallelflow. This is done with the aid of the lab instructor and the lab assistant. In conclusion, coriolis flow meter has the highest accuracy, followed by the magnetic flow meter, and last in the order is orifice flow meter. In this experiment we will use Stoke's Law and the concept of terminal velocity to determine the viscosity of glycerin. The empirical relation to determine the kinematic viscosity of liquid is The aim of this experiment The objective of this exp. Slime Chemistry "Reflection" Questions: 1. How to write a lab report. INTRODUCTION Viscosity tells us the resistance of a fluid on which a force is acting. MacDonald, Physics 2nd edition, (Copies available at the Resource Centre) J.W. Pre- Lab Week 1: 1 Background of the Experiment Mass density describes how heavy an object is. This is done with the aid of the lab instructor and the lab assistant. Venturimeter Lab Report. It described the internal friction of a moving fluid. A venturi narrows the diameter of the pipe for a short duration, converting pressure head to velocity head. There will be a considerable change in the shape of the nappe as it passes through the notch [ASTM Designation: D 36-76, AASHTO Designation: T 53-89]SOFTENING POINT: Softening Point of Bitumen. 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. The kinematic viscosity of the water is retrieved from the table of properties of water in Appendix A. Interpolation was used to approximate the most accurate value of the viscosity. Switch on the pump(s). two sections of the pipe. Saybolt Viscosity: 37.018cp @ 22.3˚C. 5. 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. 05 kg of the mass holder) on the end of the string. 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. . Dr. W. Pezzaglia Physics 2B Lab, Fall 2012 Page 1 Las Positas College Lab #12 Fluid Flow 2012Nov07 1 Lab 12: Fluid Flow I. Writing a Chemistry Lab Report. 1. This experiment was carried out to investigate the friction factor as well as the major and minor head losses because of friction in three different types of bore pipes, namely elbow pipes, expansion and construction pipes, and long pipes. If the geometric properties of the orifice and the inherent properties of the fluid are known, the orifice can be used . 65 NSA/AMA ) , it appeared that the time needed to get this viscosity could reach to about 12 seconds.