Design an Experiment to Measure the Viscosity of Liquids Using a Vertical Funnel With a Cylindrical Reservoir of Height h and a Narrow Flow Section of Diameter D and Length L
![4.4.2.2: Derivation of the Diffusivity Equation in Radial-Cylindrical Coordinates | PNG 301: Introduction to Petroleum and Natural Gas Engineering 4.4.2.2: Derivation of the Diffusivity Equation in Radial-Cylindrical Coordinates | PNG 301: Introduction to Petroleum and Natural Gas Engineering](https://www.e-education.psu.edu/png301/sites/www.e-education.psu.edu.png301/files/Lesson_04/Images/figure_4.07.jpg)
4.4.2.2: Derivation of the Diffusivity Equation in Radial-Cylindrical Coordinates | PNG 301: Introduction to Petroleum and Natural Gas Engineering
![Bykski cylindrical water tank ,reservoir combo D5 PUMP ,170MM length ,1100L/H flow B NWD5+CT170|Fans & Cooling| - AliExpress Bykski cylindrical water tank ,reservoir combo D5 PUMP ,170MM length ,1100L/H flow B NWD5+CT170|Fans & Cooling| - AliExpress](https://ae01.alicdn.com/kf/HTB1dIRnTCzqK1RjSZPcq6zTepXaz/Bykski-cylindrical-water-tank-reservoir-combo-D5-PUMP-170MM-length-1100L-H-flow-B-NWD5-CT170.jpg_q50.jpg)