Tutorial — Radial Turbines — Lesson 2

This lesson covers the principles and workings of radial flow turbines, a type of turbo-machinery. It delves into the differences between radial flow turbines and axial flow turbines, the thermodynamics involved, and the different types of radial flow turbines. The lesson also discusses the efficiency and performance parameters of these turbines, including the total-to-static efficiency and the work output. It further explains the governing equations used in analyzing the flow in different components of the turbine. The lesson concludes with a tutorial session where the instructor solves problems related to radial flow turbines, providing a practical application of the concepts discussed.

Video Highlights

01:49 - Explanation of the development and usage of radial flow turbines in hydraulic power requirements and gas turbine technology.
05:46 - Explanation of the efficiency and performance parameters of radial flow turbines, including different forms of efficiency and loss parameters.
07:05 - Tutorial session on solving problems related to radial flow turbines, including calculating specific work done, total-to-static efficiency, and rotor loss coefficient.
46:25 - Comparison of the specific power output of axial and radial turbines under certain operating conditions.

Key Takeaways

- Radial flow turbines operate differently from axial flow turbines.
- There are two broad classes of radial flow turbines: outward flow and inward flow.
- The efficiency and performance of radial flow turbines can be measured using parameters like total-to-static efficiency and work output.
- The flow in different components of a radial flow turbine can be analyzed using governing equations.
- Solving problems related to radial flow turbines helps in understanding the practical application of the concepts.