# Aviation propulsion and Gas turbines and combined cycle

Energy flows from gas turbines and combined cycle to aviation propulsion; their prices have moved together.

Source page: https://www.materialinsights.org/links/aviation-propulsion-and-gas-turbines-and-combined-cycle/

[Aviation propulsion](https://www.materialinsights.org/energy/e_aviation/) (energy) and [Gas turbines and combined cycle](https://www.materialinsights.org/energy/e_gas_turbines/) (energy): 2 relationships.

## How they are linked

### 1. Energy flow

*Physical flow · 22% of flow · Gas turbines and combined cycle → Aviation propulsion*

Jet engines are gas turbines that produce thrust.

- **22%** of Gas turbines and combined cycle's energy goes this way

### 2. Price link: shared technology

*Cost and price · Weak · Both ways*

Industrial gas turbines and jet engines share designs, alloys and often makers. Their indices correlate at 0.15 monthly and 0.29 yearly, a modest link because aircraft engine prices follow airline orders while power turbines follow electricity demand.

- **0.15** monthly change correlation
- **0.29** 12-month change correlation
- **0.84** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.