![](/assets/images/picto-drapeau-france-3a76576a5d60a512053b4612ab58dae5.png)
2. Exterior protection technology
2.1 Film cooling
Film cooling is the introduction of a secondary (usually cooling) fluid at one or more points on a surface exposed to high temperature, to protect the surface itself not only near the injection point, but also downstream of it
Blades and nozzles, especially on their leading edges, lower and upper surfaces, and combustion chamber walls, are usually protected rather than cooled using this technique. Figure 16 shows a typical application of film cooling to a latest-generation nozzle: you can see the numerous injection holes in the...
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference
This article is included in
Hydraulic, aerodynamic and thermal machines
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Exterior protection technology
References
Exclusive to subscribers. 97% yet to be discovered!
You do not have access to this resource.
Click here to request your free trial access!
Already subscribed? Log in!
![](/assets/images/logo-eti-286623ed91fa802ce039246e516e5852.png)
The Ultimate Scientific and Technical Reference