A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between ... lifespan of bearing increases, roughly proportional to square root of viscosity. If the viscosity of the lubricant is lower than recommended, the lifespan of the ...

The only thing that I will vary in this experiment is the size of the ball bearings. As I am only trying to find out the viscosity of the ... reading for the viscosity. Â· Position of ball bearing in tube- If the ball bearing is too close to the side of the tube then it may be ...

Students compare the terminal velocities of ball bearings as they fall through washing up liquid..

The shear stress on the ball is proportional to viscosity times the terminal velocity divided by the distance between ... Improvements in the falling ball experiment can be made to obtain more precise data for the calculation of the Stokes’ Law drag force by ...

Core practical 4: Use a falling-ball method to determine the viscosity of a liquid Objective Safety To time the fall of a ball through washing-up liquid to determine the viscosity Washing-up liquid spills are very slippery and must be cleared up at once. Have ...

Now, the coefficient of viscosity of the liquid can be calculated by using the formula, Now, repeat the experiment by changing the diameter of the ball. Calculate the value of r 2 ...

DV-I Prime Continuous Sensing Digital Viscometer The DV-I Prime Viscometer has continuous sensing capability for rapid viscosity measurement makes this economical digital viscometer a standout. … Learn More Falling Ball Viscometer The Höppler principle is ...

Perfluoropolyether (PFPE) fluids on ball bearing fatigue life, the authors carried out systematic tests using thrust bearings, type 51104. Fifteen tests were done for each of ...

MAKING VISCOSITY MEASUREMENTS ..... 23 III.1 Quick Start ..... 23 III.2 Preparations for Making Measurements ..... 23 ... The ball bearing suspension in your Brookfield instrument is noted on the serial tag on the back of the head by the letter “B” in the ...

Record the temperature of the glycerol at the start and at the end of the experiment. Drop a ball bearing gently into the glycerol and time how long it glycerol takes to fall from X to Y. Measure the length XY and hence ...

Viscosity: A lubricant’s most important characteristic Introduction For any oil lubrication system, ... of insufficient lubrication on inner race and rollers of a bearing, resulting in catastrophic failure. Figure 2: Damaged inner ring of a spherical roller bearing caused ...

DV-I Prime Continuous Sensing Digital Viscometer The DV-I Prime Viscometer has continuous sensing capability for rapid viscosity measurement makes this economical digital viscometer a standout. … Learn More Falling Ball Viscometer The Höppler principle is ...

Viscosity = (2 x (ball density - liquid density) x g x a^2) ÷ (9 x v), where g = acceleration due to gravity = 9.8 m/s^2 a = radius of ball bearing v = velocity of ball bearing through liquid Plug your measurements into the equation to calculate the viscosity of the liquid ...

Experiment 6: Viscosity (Stoke’s Law) Objective Calculate the viscosity of glycerin. Apparatus Graduated glass cylinder (50cm long) Steel ball-bearings Conical Flask Stopwatch Micrometer Digital Balance Magnet attached to a string Procedure The viscosity of ...

... The viscosity of honey Experiment: The viscosity of honey The viscosity of honey ranges from runny to almost solid. ... A marble or small ball bearing Stopwatch Method In this experiment, the viscosity of honey is measured by timing how long it takes for a

Viscosity is the measure of a material’s resistance to motion under an applied force. There are several formulas and equations for viscosity calculation. If youwant a simple science experiment, measure the speed of a metal ball dropped in a container of liquid. The ...

P1 Determination of the viscosity of oil Introduction In science both liquids and gases are called fluids, because they both can flow. ... If they are not, which ball-bearing material gives the greater value and which set is on average larger? Think about what the ...

Viscosity is the measure of a material’s resistance to motion under an applied force. There are several formulas and equations for viscosity calculation. If youwant a simple science experiment, measure the speed of a metal ball dropped in a container of liquid. The ...

Studies On Falling Ball Viscometry Amit Vikram Singh1, Lavanjay Sharma2, and Pinaki Gupta-Bhaya1 ... 1.3 Viscosity ratio: Falling ball viscometry: In the limiting case of a boundless fluid medium ( ) and a negligible inertial effect ( << 1) Stokes equation (1) ...

A series of steel ball bearings of different diameter are normally used in the classic experiment to improve the accuracy of the calculation. The school experiment uses glycerol as the fluid, and the technique is used industrially to check the viscosity of fluids ...

The Brookfield Falling Ball Viscometer uses the Höppler principle to measure Newtonian fluids. USA - English