Technological difficulties faced in making a microturbine?

In summary, the main technological difficulties faced in making a microturbine are related to scaling. Aerodynamics do not scale well and become increasingly difficult to analyze and manufacture as the size decreases. Additionally, smaller turbines require higher shaft speeds, adding to the complexity. The size of the turbine becomes an issue before it can even be considered "micro," and the material used for the HP turbine is a limiting factor due to the high temperatures it must endure.
  • #1
sid_galt
502
1
What are the technological difficulties faced in making a microturbine?

What is the main reason due to which are still not in vogue?
 
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  • #2
Aerodynamics do not scale well. They do to a point. After that, they become very difficult, not only to analyze, but to manufacture. Plus, as size goes down, usually the required shaft speed goes up.
 
  • #3
Thank you for the reply.

So how do the aerodynamics not scale well? What is the point upto which microturbines do not pose significant tech. challenges?

also does the amount of heat absorbed by the material of the turbine pose a problem?
 
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  • #4
Well, the size becomes an issue WELL before you are considered in the 'micro' scale of things. So it is never going to be an easy thing. How small are you calling a micro turbine anyways? My company deals with small turbine engines, and we are not considered micro by any means.

The HP turbine material is usually the max cycle temp limiting factor. That is the one thing that is going to see the most temperature out of anything in the engine.
 

Related to Technological difficulties faced in making a microturbine?

1. What are the main technological components of a microturbine?

The main technological components of a microturbine include a compressor, turbine, combustor, generator, and control system. The compressor brings in air and compresses it, the turbine uses the compressed air to rotate and produce power, the combustor mixes fuel with the compressed air and ignites it to create hot gas, the generator converts the rotating motion of the turbine into electricity, and the control system regulates the flow of fuel and air to maintain optimal performance.

2. What are the most common technical challenges in making a microturbine?

The most common technical challenges in making a microturbine include achieving high efficiency, reducing emissions, ensuring durability and reliability, and managing complex control systems. Additionally, designing the turbine blades to withstand high temperatures and pressures is a significant challenge.

3. How do technological advancements impact the development of microturbines?

Technological advancements play a crucial role in the development of microturbines. They allow for the use of newer and more efficient materials, improved control systems, and better design techniques. Furthermore, advancements in computer technology have enabled more precise modeling and simulation of microturbine performance, leading to faster and more accurate development processes.

4. What are the main limitations of current microturbine technology?

The main limitations of current microturbine technology include high production costs, limited power output, and challenges in integrating them into existing power grids. Additionally, the high temperatures and pressures required for efficient operation can cause wear and tear on the components, leading to maintenance and durability issues.

5. How do manufacturers address technological difficulties in making microturbines?

Manufacturers address technological difficulties in making microturbines through continuous research and development. They constantly work to improve the efficiency, reliability, and durability of microturbines by incorporating new materials and technologies into their designs. Additionally, they collaborate with other industries and research institutions to find solutions to technical challenges and drive innovation in the field of microturbines.

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