SlideShare a Scribd company logo
DYNAMIC VISCOSITY MEASUREMENT
USING OSTWALD VISCOMETER
Presented by
Tenison Basumatary, PhD student
Department of Electronics & communication
Technology,
Gauhati University, Guwahati, Assam-781014
e. mail:- tenibasu143@gauhati.ac.in
1
WHAT IS VISCOSITY……………?
Viscosity describes the liquid’s resistance to flow.
Mathematically, viscosity is the ratio of the shearing
stress to the velocity gradient in a fluid.
Viscosity measurement for different fluids is very
much important in
a) food processing industries,
b) pharmaceutical,
c) cosmetic and
d) petrochemical industries.
e) It is also extremely needed during design of
aerodynamic and hydrodynamic systems.
2
OSTWLAD VISCOMETER:- I
Fig. 1:- Ostwald Viscometer
3
OSTWALD VISCOMETER:-EXPERIMENTAL SET UP
Fig. 2:- Laboratory set up to perform Ostwald Viscometer
4

Recommended for you

Particle size distribution and its methods
Particle size distribution and its methodsParticle size distribution and its methods
Particle size distribution and its methods

Particle size expression, particle size distribution, Methods for determining particle size, Calculation

particle sizesizie expressionsize distribution
Rheology
RheologyRheology
Rheology

Rheology is the science that study flow of fluids. Viscosity is the main parameter of flow. Newtonian & non newtonian are the two types of flow behavior according to newtons law of flow. non-newtonian flow can be plastic, pseudoplastic, dilatant, thixotropic, antithixotropic or rheopexy. viscosity can be determined by using various viscometers such as capillary viscometer, cup & bob viscometer, cone & plate viscometer, falling sphere viscometer, brookfield viscometer, etc. factors affeting viscosity are intrinsic, extrinsic or temperature dependence.

pharmacypharmaceuticalrheology
non newtonian system
 non newtonian system non newtonian system
non newtonian system

This document discusses different types of non-Newtonian fluid behavior. It defines plastic flow, pseudoplastic flow, and dilatant flow as time-independent behaviors where the viscosity changes with the rate of shear. Thixotropy and antithixotropy are described as time-dependent behaviors where the viscosity changes over time even at a constant shear rate. Specific examples are given of materials that exhibit plastic flow, pseudoplastic flow, and dilatant behavior. Thixotropy is defined as the reversible reduction in viscosity over time under constant shear and its recovery upon standing. Antithixotropy is the opposite phenomenon of increased viscosity over time under shear.

non newtonian systemppt on non newtonian system
PRINCIPLE OF OSTWALD VISCOMETER
Ostwald viscometer is based on Poiseuille’s
law. According to this law, the rate of flow of
liquid through a capillary tube having
coefficient ɳ, is given by:-
Where, v= volume of liquid in ml
t=flow rate in second through capillary
r=radius of the capillary in cm
l=length of the capillary in cm
p=hydrostatic pressure in dyne/sq. cm
ɳ=viscosity coefficient in poise
SI unit of Viscosity is pascal-second (pa.s i.e.,
kg.m-1.s-1), and the cgs unit of viscosity is
poise (i.e., g.cm-1.s-1)
5
DETERMINATION OF DYNAMIC VISCOSITY OF THE GLYCERIN
AT DIFFERENT TEMPERATURES
Apparatus:-
Ostwald Viscometer,
Beaker,
20-25 mL syringe,
Thermostat,
Stand,
 Liquid samples and
Digital balance6
STEPS TO PERFORM OSTWALD VISCOMETER
1. Prepare 0%, 30%, 50%, 70%, 90% and 100% solution of glycerin in
pure water.
2. Set up the temperature using thermostat.
3. Put both the Viscometer and thermostat into a beaker with water
and make sure that Viscometer is clamped vertically and check the
viscometer with pure water what volume is required to fill the
viscometer.
4. Measure the weight of the empty beaker.
5. Fill the beaker with each solution as mentioned in step 1 one after
another and measure the weight of the beaker.
6. Heat the Viscometer kept in a beaker on magnetic stirrer and notes
the temperature shown by thermostat to make measurements for
different temperatures.
7. Now fill the Viscometer with solution through Arm 1 till it reaches to
the mark II as shown in fig. 1 using syringe. Now pull the liquid
using syringe as seen in fig. 2 so that liquid flow through fine
capillary tube till it reaches to the mark above IV as shown in fig.1.
Remove the syringe attached to arm 2 and observe the upper
meniscus of the liquid. When the meniscus is aligned with mark
“IV”, start the stop watch to measure time. Measurement terminates
when the meniscus is completely aligned with the mark III and stop
the stop watch. Record the total time taken by each sample.
8. After performing each sample rinse the viscometer with pure water
and waste with acetone and dry up.
9. Repeat the measurement 3 - 4 times for each sample for each
temperature and take the average of the time.
7
MATHEMATICAL EXPRESSION FOR DETERMINATION OF
DYNAMIC VISCOSITY OF THE GLYCERIN
The viscosity of liquid is calculated using:-
8

Recommended for you

The phase rule
The phase ruleThe phase rule
The phase rule

1. The document discusses phase equilibria and the phase rule, including definitions of phases, phase diagrams, and the Gibbs phase rule. 2. It examines one, two, and three component systems containing liquid and solid phases. For a one component system containing solid, liquid, and vapor, the phase rule states there are no degrees of freedom and temperature and pressure are fixed. 3. For two component liquid systems, temperature, pressure, and composition are required variables, while for solid-liquid systems, temperature and composition define the phase diagram.

phase ruleone component systemtwo component system
Steam distillation
Steam distillationSteam distillation
Steam distillation

Steam distillation is a distillation technique used to purify temperature-sensitive organic compounds. It involves boiling a mixture using steam instead of direct heat, allowing distillation at lower temperatures that avoid decomposition. The steam distillation process separates compounds based on differences in volatility between the components. The vapors produced are condensed, separating into an aqueous layer containing water and an organic layer containing the purified compound. Steam distillation is commonly used to extract essential oils from plants for perfumes and other applications.

Particle size determination
Particle size determinationParticle size determination
Particle size determination

This document discusses different methods for determining particle size in pharmaceuticals, including microscopy, sieving, and sedimentation. Microscopy can measure particles from 0.2 to 100 micrometers and involves mounting a sample on a microscope stage and using a micrometer to measure particles. Sieving uses a stack of sieves with decreasing pore sizes to separate particles from 5 micrometers to 3 millimeters based on weight distribution. Sedimentation methods rely on particles settling at different rates according to their size based on Stokes' law, and include pipette, balancing, and hydrometer methods to measure a wide range of particle sizes accurately and inexpensively.

particle size determinationseiving techniquemicroscopy

More Related Content

What's hot

Rheology
RheologyRheology
Rheology
Raju Sanghvi
 
Measurement of surface tension
Measurement of surface tensionMeasurement of surface tension
Measurement of surface tension
pankaj sharma
 
Viscosity and viscometer
Viscosity and viscometerViscosity and viscometer
Viscosity and viscometer
YumnA SAeed
 
Particle size distribution and its methods
Particle size distribution and its methodsParticle size distribution and its methods
Particle size distribution and its methods
sony mohammed
 
Rheology
RheologyRheology
non newtonian system
 non newtonian system non newtonian system
non newtonian system
parasharparashar8021
 
The phase rule
The phase ruleThe phase rule
The phase rule
Mirza Salman Baig
 
Steam distillation
Steam distillationSteam distillation
Steam distillation
Dhanashri Mali
 
Particle size determination
Particle size determinationParticle size determination
Particle size determination
Mash'hood Mahmood Khan Shahid
 
Electrical double layer
Electrical double layerElectrical double layer
Electrical double layer
Omprakash Patel
 
Abbe'S Instrumentation
Abbe'S Instrumentation Abbe'S Instrumentation
Abbe'S Instrumentation
ArpitSuralkar
 
Micromeritics
MicromeriticsMicromeritics
Micromeritics
AparajitaVarshneya1
 
Unit 5-rheology
Unit 5-rheologyUnit 5-rheology
Unit 5-rheology
Putri Syamimi
 
To determine the relative viscosity of given liquid using Ostwald’s viscometer
To determine the relative viscosity of given liquid using Ostwald’s viscometerTo determine the relative viscosity of given liquid using Ostwald’s viscometer
To determine the relative viscosity of given liquid using Ostwald’s viscometer
Dr. Nandkishor Telkapalliwar
 
Particle size distribution
Particle size distributionParticle size distribution
Particle size distribution
knowledge1995
 
Solubility & Method for determination of solubility
Solubility & Method for determination of solubility  Solubility & Method for determination of solubility
Solubility & Method for determination of solubility
Zulcaif Ahmad
 
Methods of particle size measrement (032)
Methods of particle size measrement (032)Methods of particle size measrement (032)
Methods of particle size measrement (032)
Hafiz Luqman Khalil
 
Soaponification value
Soaponification valueSoaponification value
Soaponification value
gopinathannsriramachandraeduin
 
Abbe refractometer
Abbe refractometerAbbe refractometer
Abbe refractometer
Qahtan Al-zaidi
 
Uv spectroscopy
Uv  spectroscopyUv  spectroscopy
Uv spectroscopy
Harpreet Kaur
 

What's hot (20)

Rheology
RheologyRheology
Rheology
 
Measurement of surface tension
Measurement of surface tensionMeasurement of surface tension
Measurement of surface tension
 
Viscosity and viscometer
Viscosity and viscometerViscosity and viscometer
Viscosity and viscometer
 
Particle size distribution and its methods
Particle size distribution and its methodsParticle size distribution and its methods
Particle size distribution and its methods
 
Rheology
RheologyRheology
Rheology
 
non newtonian system
 non newtonian system non newtonian system
non newtonian system
 
The phase rule
The phase ruleThe phase rule
The phase rule
 
Steam distillation
Steam distillationSteam distillation
Steam distillation
 
Particle size determination
Particle size determinationParticle size determination
Particle size determination
 
Electrical double layer
Electrical double layerElectrical double layer
Electrical double layer
 
Abbe'S Instrumentation
Abbe'S Instrumentation Abbe'S Instrumentation
Abbe'S Instrumentation
 
Micromeritics
MicromeriticsMicromeritics
Micromeritics
 
Unit 5-rheology
Unit 5-rheologyUnit 5-rheology
Unit 5-rheology
 
To determine the relative viscosity of given liquid using Ostwald’s viscometer
To determine the relative viscosity of given liquid using Ostwald’s viscometerTo determine the relative viscosity of given liquid using Ostwald’s viscometer
To determine the relative viscosity of given liquid using Ostwald’s viscometer
 
Particle size distribution
Particle size distributionParticle size distribution
Particle size distribution
 
Solubility & Method for determination of solubility
Solubility & Method for determination of solubility  Solubility & Method for determination of solubility
Solubility & Method for determination of solubility
 
Methods of particle size measrement (032)
Methods of particle size measrement (032)Methods of particle size measrement (032)
Methods of particle size measrement (032)
 
Soaponification value
Soaponification valueSoaponification value
Soaponification value
 
Abbe refractometer
Abbe refractometerAbbe refractometer
Abbe refractometer
 
Uv spectroscopy
Uv  spectroscopyUv  spectroscopy
Uv spectroscopy
 

Viewers also liked

01 part1-ideal-gas
01 part1-ideal-gas01 part1-ideal-gas
01 part1-ideal-gas
gunabalan sellan
 
Real and ideal gases
Real and ideal gasesReal and ideal gases
Real and ideal gases
Angela Stott
 
Properties of fluid.ppt
Properties of fluid.pptProperties of fluid.ppt
Properties of fluid.ppt
Kmneschal Tgiri
 
Viscometers
ViscometersViscometers
Viscometers
Tooba Rehman
 
Fluid Mechanics Properties
Fluid Mechanics PropertiesFluid Mechanics Properties
Fluid Mechanics Properties
stooty s
 
Viscosity Measurement
Viscosity MeasurementViscosity Measurement
Viscosity Measurement
Krunal Parmar
 
surface tension power point
surface  tension power point surface  tension power point
surface tension power point
Ajith Manu
 

Viewers also liked (7)

01 part1-ideal-gas
01 part1-ideal-gas01 part1-ideal-gas
01 part1-ideal-gas
 
Real and ideal gases
Real and ideal gasesReal and ideal gases
Real and ideal gases
 
Properties of fluid.ppt
Properties of fluid.pptProperties of fluid.ppt
Properties of fluid.ppt
 
Viscometers
ViscometersViscometers
Viscometers
 
Fluid Mechanics Properties
Fluid Mechanics PropertiesFluid Mechanics Properties
Fluid Mechanics Properties
 
Viscosity Measurement
Viscosity MeasurementViscosity Measurement
Viscosity Measurement
 
surface tension power point
surface  tension power point surface  tension power point
surface tension power point
 

Similar to Viscosity measurement using ostwald viscometer

Test 6 viscosity
Test 6 viscosityTest 6 viscosity
Test 6 viscosity
Siyar Saleem
 
Viscosity or Viscometery
Viscosity or ViscometeryViscosity or Viscometery
Viscosity or Viscometery
Self-employed
 
kinematic viscosity
 kinematic viscosity kinematic viscosity
kinematic viscosity
Taha Samir
 
Assignment3
Assignment3Assignment3
Assignment3
Maxii Angel
 
Key factors for developing a pharmaceutical cleaning strategy - Part 2
Key factors for developing a pharmaceutical cleaning strategy - Part 2Key factors for developing a pharmaceutical cleaning strategy - Part 2
Key factors for developing a pharmaceutical cleaning strategy - Part 2
Fedegari Group
 
61 1034-1-dr
61 1034-1-dr61 1034-1-dr
61 1034-1-dr
Paulo Marques
 
Viscol 10 presentation Fully Automatic Kinematic Viscometer
Viscol 10 presentation Fully Automatic Kinematic ViscometerViscol 10 presentation Fully Automatic Kinematic Viscometer
Viscol 10 presentation Fully Automatic Kinematic Viscometer
OmarSARKAHIAH
 
Viscosity measurement methods
Viscosity measurement methodsViscosity measurement methods
Viscosity measurement methods
Dhyey Shukla
 
Best Practices in Measuring Tank Level
Best Practices in Measuring Tank LevelBest Practices in Measuring Tank Level
Best Practices in Measuring Tank Level
Setra Systems
 
Over all pressure of Fluid flow
Over all pressure of Fluid flowOver all pressure of Fluid flow
Over all pressure of Fluid flow
Aree Salah
 
Venturi and orificemeter - Ed Ryan Ruales
Venturi and orificemeter - Ed Ryan RualesVenturi and orificemeter - Ed Ryan Ruales
Venturi and orificemeter - Ed Ryan Ruales
Ed Ryan Ruales
 
Viscosity and its determination
Viscosity and its determinationViscosity and its determination
Viscosity and its determination
Umair hanif
 
Reservoir Rock Properties Laboratory Manual Exp (#4)
Reservoir Rock Properties Laboratory Manual Exp (#4)Reservoir Rock Properties Laboratory Manual Exp (#4)
Reservoir Rock Properties Laboratory Manual Exp (#4)
Muhammed Fuad Al-Barznji
 
Analysis of various sensors to measure the physical parameters of the oil sto...
Analysis of various sensors to measure the physical parameters of the oil sto...Analysis of various sensors to measure the physical parameters of the oil sto...
Analysis of various sensors to measure the physical parameters of the oil sto...
IRJET Journal
 
Porosity by saturation method
Porosity by saturation method Porosity by saturation method
Porosity by saturation method
Bakhtiar Mahmood
 
Biochemistry
Biochemistry Biochemistry
Biochemistry
MsdMukesh
 
Instrumentation & Control Lab Manual.pdf
Instrumentation & Control Lab Manual.pdfInstrumentation & Control Lab Manual.pdf
Instrumentation & Control Lab Manual.pdf
NTU Faisalabad
 
Rheology model 900 viscometer Mud Engineering Exp.
Rheology model 900 viscometer Mud Engineering Exp.Rheology model 900 viscometer Mud Engineering Exp.
Rheology model 900 viscometer Mud Engineering Exp.
Jarjis Mohammed
 
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATESASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
anthonyAnlicao
 
Physical pharmacy II Lab MANIK
Physical pharmacy II Lab MANIKPhysical pharmacy II Lab MANIK
Physical pharmacy II Lab MANIK
Imran Nur Manik
 

Similar to Viscosity measurement using ostwald viscometer (20)

Test 6 viscosity
Test 6 viscosityTest 6 viscosity
Test 6 viscosity
 
Viscosity or Viscometery
Viscosity or ViscometeryViscosity or Viscometery
Viscosity or Viscometery
 
kinematic viscosity
 kinematic viscosity kinematic viscosity
kinematic viscosity
 
Assignment3
Assignment3Assignment3
Assignment3
 
Key factors for developing a pharmaceutical cleaning strategy - Part 2
Key factors for developing a pharmaceutical cleaning strategy - Part 2Key factors for developing a pharmaceutical cleaning strategy - Part 2
Key factors for developing a pharmaceutical cleaning strategy - Part 2
 
61 1034-1-dr
61 1034-1-dr61 1034-1-dr
61 1034-1-dr
 
Viscol 10 presentation Fully Automatic Kinematic Viscometer
Viscol 10 presentation Fully Automatic Kinematic ViscometerViscol 10 presentation Fully Automatic Kinematic Viscometer
Viscol 10 presentation Fully Automatic Kinematic Viscometer
 
Viscosity measurement methods
Viscosity measurement methodsViscosity measurement methods
Viscosity measurement methods
 
Best Practices in Measuring Tank Level
Best Practices in Measuring Tank LevelBest Practices in Measuring Tank Level
Best Practices in Measuring Tank Level
 
Over all pressure of Fluid flow
Over all pressure of Fluid flowOver all pressure of Fluid flow
Over all pressure of Fluid flow
 
Venturi and orificemeter - Ed Ryan Ruales
Venturi and orificemeter - Ed Ryan RualesVenturi and orificemeter - Ed Ryan Ruales
Venturi and orificemeter - Ed Ryan Ruales
 
Viscosity and its determination
Viscosity and its determinationViscosity and its determination
Viscosity and its determination
 
Reservoir Rock Properties Laboratory Manual Exp (#4)
Reservoir Rock Properties Laboratory Manual Exp (#4)Reservoir Rock Properties Laboratory Manual Exp (#4)
Reservoir Rock Properties Laboratory Manual Exp (#4)
 
Analysis of various sensors to measure the physical parameters of the oil sto...
Analysis of various sensors to measure the physical parameters of the oil sto...Analysis of various sensors to measure the physical parameters of the oil sto...
Analysis of various sensors to measure the physical parameters of the oil sto...
 
Porosity by saturation method
Porosity by saturation method Porosity by saturation method
Porosity by saturation method
 
Biochemistry
Biochemistry Biochemistry
Biochemistry
 
Instrumentation & Control Lab Manual.pdf
Instrumentation & Control Lab Manual.pdfInstrumentation & Control Lab Manual.pdf
Instrumentation & Control Lab Manual.pdf
 
Rheology model 900 viscometer Mud Engineering Exp.
Rheology model 900 viscometer Mud Engineering Exp.Rheology model 900 viscometer Mud Engineering Exp.
Rheology model 900 viscometer Mud Engineering Exp.
 
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATESASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
ASTM STANDARDS IN PERFORMING LABORATORY TEST FOR AGGREGATES
 
Physical pharmacy II Lab MANIK
Physical pharmacy II Lab MANIKPhysical pharmacy II Lab MANIK
Physical pharmacy II Lab MANIK
 

Recently uploaded

MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K SchemeMSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
Anwar Patel
 
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model SafePaharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
aarusi sexy model
 
Press Tool and It's Primary Components.pdf
Press Tool and It's Primary Components.pdfPress Tool and It's Primary Components.pdf
Press Tool and It's Primary Components.pdf
Tool and Die Tech
 
Social media management system project report.pdf
Social media management system project report.pdfSocial media management system project report.pdf
Social media management system project report.pdf
Kamal Acharya
 
Biology for computer science BBOC407 vtu
Biology for computer science BBOC407 vtuBiology for computer science BBOC407 vtu
Biology for computer science BBOC407 vtu
santoshpatilrao33
 
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
IJAEMSJORNAL
 
Lecture 3 Biomass energy...............ppt
Lecture 3 Biomass energy...............pptLecture 3 Biomass energy...............ppt
Lecture 3 Biomass energy...............ppt
RujanTimsina1
 
Exploring Deep Learning Models for Image Recognition: A Comparative Review
Exploring Deep Learning Models for Image Recognition: A Comparative ReviewExploring Deep Learning Models for Image Recognition: A Comparative Review
Exploring Deep Learning Models for Image Recognition: A Comparative Review
sipij
 
L-3536-Cost Benifit Analysis in ESIA.pptx
L-3536-Cost Benifit Analysis in ESIA.pptxL-3536-Cost Benifit Analysis in ESIA.pptx
L-3536-Cost Benifit Analysis in ESIA.pptx
naseki5964
 
Unit 1 Information Storage and Retrieval
Unit 1 Information Storage and RetrievalUnit 1 Information Storage and Retrieval
Unit 1 Information Storage and Retrieval
KishorMahale5
 
Online music portal management system project report.pdf
Online music portal management system project report.pdfOnline music portal management system project report.pdf
Online music portal management system project report.pdf
Kamal Acharya
 
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
sanabts249
 
Vernier Caliper and How to use Vernier Caliper.ppsx
Vernier Caliper and How to use Vernier Caliper.ppsxVernier Caliper and How to use Vernier Caliper.ppsx
Vernier Caliper and How to use Vernier Caliper.ppsx
Tool and Die Tech
 
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-IDUNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
GOWSIKRAJA PALANISAMY
 
Response & Safe AI at Summer School of AI at IIITH
Response & Safe AI at Summer School of AI at IIITHResponse & Safe AI at Summer School of AI at IIITH
Response & Safe AI at Summer School of AI at IIITH
IIIT Hyderabad
 
Understanding Cybersecurity Breaches: Causes, Consequences, and Prevention
Understanding Cybersecurity Breaches: Causes, Consequences, and PreventionUnderstanding Cybersecurity Breaches: Causes, Consequences, and Prevention
Understanding Cybersecurity Breaches: Causes, Consequences, and Prevention
Bert Blevins
 
Lecture 6 - The effect of Corona effect in Power systems.pdf
Lecture 6 - The effect of Corona effect in Power systems.pdfLecture 6 - The effect of Corona effect in Power systems.pdf
Lecture 6 - The effect of Corona effect in Power systems.pdf
peacekipu
 
LeetCode Database problems solved using PySpark.pdf
LeetCode Database problems solved using PySpark.pdfLeetCode Database problems solved using PySpark.pdf
LeetCode Database problems solved using PySpark.pdf
pavanaroshni1977
 
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
VICTOR MAESTRE RAMIREZ
 
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdfGUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
ProexportColombia1
 

Recently uploaded (20)

MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K SchemeMSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme MSBTE K Scheme
 
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model SafePaharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
Paharganj @ℂall @Girls ꧁❤ 9873777170 ❤꧂VIP Arti Singh Top Model Safe
 
Press Tool and It's Primary Components.pdf
Press Tool and It's Primary Components.pdfPress Tool and It's Primary Components.pdf
Press Tool and It's Primary Components.pdf
 
Social media management system project report.pdf
Social media management system project report.pdfSocial media management system project report.pdf
Social media management system project report.pdf
 
Biology for computer science BBOC407 vtu
Biology for computer science BBOC407 vtuBiology for computer science BBOC407 vtu
Biology for computer science BBOC407 vtu
 
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
Profiling of Cafe Business in Talavera, Nueva Ecija: A Basis for Development ...
 
Lecture 3 Biomass energy...............ppt
Lecture 3 Biomass energy...............pptLecture 3 Biomass energy...............ppt
Lecture 3 Biomass energy...............ppt
 
Exploring Deep Learning Models for Image Recognition: A Comparative Review
Exploring Deep Learning Models for Image Recognition: A Comparative ReviewExploring Deep Learning Models for Image Recognition: A Comparative Review
Exploring Deep Learning Models for Image Recognition: A Comparative Review
 
L-3536-Cost Benifit Analysis in ESIA.pptx
L-3536-Cost Benifit Analysis in ESIA.pptxL-3536-Cost Benifit Analysis in ESIA.pptx
L-3536-Cost Benifit Analysis in ESIA.pptx
 
Unit 1 Information Storage and Retrieval
Unit 1 Information Storage and RetrievalUnit 1 Information Storage and Retrieval
Unit 1 Information Storage and Retrieval
 
Online music portal management system project report.pdf
Online music portal management system project report.pdfOnline music portal management system project report.pdf
Online music portal management system project report.pdf
 
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
21CV61- Module 3 (CONSTRUCTION MANAGEMENT AND ENTREPRENEURSHIP.pptx
 
Vernier Caliper and How to use Vernier Caliper.ppsx
Vernier Caliper and How to use Vernier Caliper.ppsxVernier Caliper and How to use Vernier Caliper.ppsx
Vernier Caliper and How to use Vernier Caliper.ppsx
 
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-IDUNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
UNIT I INCEPTION OF INFORMATION DESIGN 20CDE09-ID
 
Response & Safe AI at Summer School of AI at IIITH
Response & Safe AI at Summer School of AI at IIITHResponse & Safe AI at Summer School of AI at IIITH
Response & Safe AI at Summer School of AI at IIITH
 
Understanding Cybersecurity Breaches: Causes, Consequences, and Prevention
Understanding Cybersecurity Breaches: Causes, Consequences, and PreventionUnderstanding Cybersecurity Breaches: Causes, Consequences, and Prevention
Understanding Cybersecurity Breaches: Causes, Consequences, and Prevention
 
Lecture 6 - The effect of Corona effect in Power systems.pdf
Lecture 6 - The effect of Corona effect in Power systems.pdfLecture 6 - The effect of Corona effect in Power systems.pdf
Lecture 6 - The effect of Corona effect in Power systems.pdf
 
LeetCode Database problems solved using PySpark.pdf
LeetCode Database problems solved using PySpark.pdfLeetCode Database problems solved using PySpark.pdf
LeetCode Database problems solved using PySpark.pdf
 
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
Advances in Detect and Avoid for Unmanned Aircraft Systems and Advanced Air M...
 
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdfGUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
GUIA_LEGAL_CHAPTER-9_COLOMBIAN ELECTRICITY (1).pdf
 

Viscosity measurement using ostwald viscometer

  • 1. DYNAMIC VISCOSITY MEASUREMENT USING OSTWALD VISCOMETER Presented by Tenison Basumatary, PhD student Department of Electronics & communication Technology, Gauhati University, Guwahati, Assam-781014 e. mail:- tenibasu143@gauhati.ac.in 1
  • 2. WHAT IS VISCOSITY……………? Viscosity describes the liquid’s resistance to flow. Mathematically, viscosity is the ratio of the shearing stress to the velocity gradient in a fluid. Viscosity measurement for different fluids is very much important in a) food processing industries, b) pharmaceutical, c) cosmetic and d) petrochemical industries. e) It is also extremely needed during design of aerodynamic and hydrodynamic systems. 2
  • 3. OSTWLAD VISCOMETER:- I Fig. 1:- Ostwald Viscometer 3
  • 4. OSTWALD VISCOMETER:-EXPERIMENTAL SET UP Fig. 2:- Laboratory set up to perform Ostwald Viscometer 4
  • 5. PRINCIPLE OF OSTWALD VISCOMETER Ostwald viscometer is based on Poiseuille’s law. According to this law, the rate of flow of liquid through a capillary tube having coefficient ɳ, is given by:- Where, v= volume of liquid in ml t=flow rate in second through capillary r=radius of the capillary in cm l=length of the capillary in cm p=hydrostatic pressure in dyne/sq. cm ɳ=viscosity coefficient in poise SI unit of Viscosity is pascal-second (pa.s i.e., kg.m-1.s-1), and the cgs unit of viscosity is poise (i.e., g.cm-1.s-1) 5
  • 6. DETERMINATION OF DYNAMIC VISCOSITY OF THE GLYCERIN AT DIFFERENT TEMPERATURES Apparatus:- Ostwald Viscometer, Beaker, 20-25 mL syringe, Thermostat, Stand,  Liquid samples and Digital balance6
  • 7. STEPS TO PERFORM OSTWALD VISCOMETER 1. Prepare 0%, 30%, 50%, 70%, 90% and 100% solution of glycerin in pure water. 2. Set up the temperature using thermostat. 3. Put both the Viscometer and thermostat into a beaker with water and make sure that Viscometer is clamped vertically and check the viscometer with pure water what volume is required to fill the viscometer. 4. Measure the weight of the empty beaker. 5. Fill the beaker with each solution as mentioned in step 1 one after another and measure the weight of the beaker. 6. Heat the Viscometer kept in a beaker on magnetic stirrer and notes the temperature shown by thermostat to make measurements for different temperatures. 7. Now fill the Viscometer with solution through Arm 1 till it reaches to the mark II as shown in fig. 1 using syringe. Now pull the liquid using syringe as seen in fig. 2 so that liquid flow through fine capillary tube till it reaches to the mark above IV as shown in fig.1. Remove the syringe attached to arm 2 and observe the upper meniscus of the liquid. When the meniscus is aligned with mark “IV”, start the stop watch to measure time. Measurement terminates when the meniscus is completely aligned with the mark III and stop the stop watch. Record the total time taken by each sample. 8. After performing each sample rinse the viscometer with pure water and waste with acetone and dry up. 9. Repeat the measurement 3 - 4 times for each sample for each temperature and take the average of the time. 7
  • 8. MATHEMATICAL EXPRESSION FOR DETERMINATION OF DYNAMIC VISCOSITY OF THE GLYCERIN The viscosity of liquid is calculated using:- 8