How to make a Geiger Counter: January 2021

Friday, 29 January 2021

Hydro Turbomachines - Francis turbine-Part-02

Hydro Turbomachines - Francis turbine-Part-02 Off-design operaion using inlet guide vanes, Draft tube, Effective head Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Thermal Turbomachines-Part-02

Thermal Turbomachines-Part-02 Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Thermal Turbomachines-Part-01

Thermal Turbomachines-Part-01 Degree of reaction of a stage, Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Thermal Turbomachines - Steam Turbines

Thermal Turbomachines - Steam Turbines Impulse and reaction steam turbines, Velocity compunding, Pressure compounding and Velocity and pressure compounding Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Thermal Turbomachines - Gas turbines

Thermal Turbomachines - Gas turbines Stationary and aircraft engine application, Design and off-sesign operation, Variable guide vanes, Multi-spools, Counter rotating turbines, Blade cooling Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Thermal Turbomachines - Introduction

Thermal Turbomachines - Introduction Introduction to thermal turbomachines -- steam and gas turbines, Axial flow reaction and impulse machines, single stage and multistage machines, axial compressors Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Positive Displacement Pumps - Gear pump

Positive Displacement Pumps - Gear pump Positive displacement machines vs. turbomachines, Gear pump, Characteristics, Effect of viscosity, Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Pelton turbine

Hydro Turbomachines - Pelton turbine Impulse turbine, Pelton turbine, Multiple jets, Optimum speed, Optimum penstock dimension, Worked example, Specific speed, Turbine selection chart Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Kaplan turbine

Hydro Turbomachines - Kaplan turbine Reaction turbine, Axial turbine, Kaplan turbine, Design operating condition, Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Francis turbine-Part-01

Hydro Turbomachines - Francis turbine-Part-01 Reaction turbine, Radial turbine, Francis turbine, Design operating condition, Worked examples Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Centrifugal pumps-Part-04

Hydro Turbomachines - Centrifugal pumps-Part-04 Types of pumps, specific speed, classification using specific speed Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Centrifugal pumps-Part-03

Hydro Turbomachines - Centrifugal pumps-Part-03 Worked example involving actual characteristic of a centrifugal pump, effect of impeller diameter and speed, dimensionless characteristics Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Centrifugal pumps-Part-02

Hydro Turbomachines - Centrifugal pumps-Part-02 Actual characteristics of Centrifugal pumps, Unstable characteristic, Cavitation, Design operating point, Net Positive Suction Head, NPSH available and required, Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Hydro Turbomachines - Centrifugal pumps-Part-01

Hydro Turbomachines - Centrifugal pumps-Part-01 Simplification of the pressure rise across a rotor for an incompressible fluid, Efficiency, Theory of centrifugal pumps, Ideal characteristics, Forward, radial and backward curved blade, Worked example Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part0-06

Basic Theroy of Turbomachines-Part0-06 Worked examples involving velocity triangles Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part-05

Basic Theroy of Turbomachines-Part-05 Worked examples Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part-04

Basic Theroy of Turbomachines-Part-04 Relation between pressure change and relative velocity, Interpretation of velocity triangles Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part-03

Basic Theroy of Turbomachines-Part-03 Illustration of an axial machine rotor process on a Ts diagram, Degree of reaction, Impulse and reaction machines, Connection between rotor process and blade passage area Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part-02

Basic Theroy of Turbomachines-Part-02 Alternate forms of Euler's turbomachinery equation, Connection between thermodynamics and fluid mechanics of turbomachinery process, Variation of pressure along a streamline through the rotor, Illustration on a Ts diagram Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Basic Theroy of Turbomachines-Part-01

Basic Theroy of Turbomachines-Part-01 Euler's turbomachinery equation, Notion of blade element, Radial and axial machines, Relative velocity, Velocity triangle, Flow angle and blade angle definition and sign convention Prof. Babu Viswanathan Introduction to Turbomachines IIT Madras

Introduction

Introduction Introduction to turbomachines, types, classification, practical examples

Tuesday, 26 January 2021

HowStuffWorks Trivia! (General Knowledge No. 7)

Do you know where your spleen is located? Do you speak a little German? If so, you're ready for this general knowledge quiz. It includes 5 questions and answers, but you probably don't even need the answers.