![airliner - Is the bleed air passengers breathe tapped from the engines before or after it comes in contact with fuel? And why? Isn't this unhealthy? - Aviation Stack Exchange airliner - Is the bleed air passengers breathe tapped from the engines before or after it comes in contact with fuel? And why? Isn't this unhealthy? - Aviation Stack Exchange](https://i.stack.imgur.com/Krrlr.png)
airliner - Is the bleed air passengers breathe tapped from the engines before or after it comes in contact with fuel? And why? Isn't this unhealthy? - Aviation Stack Exchange
![aircraft design - What fraction of air intake becomes bleed air in airliner engines? - Aviation Stack Exchange aircraft design - What fraction of air intake becomes bleed air in airliner engines? - Aviation Stack Exchange](https://i.stack.imgur.com/yfVGT.jpg)
aircraft design - What fraction of air intake becomes bleed air in airliner engines? - Aviation Stack Exchange
![PDF] Experimental Investigation of Bleed Air Extraction through a Circumferential Gap in a Low Speed Axial Compressor Stage | Semantic Scholar PDF] Experimental Investigation of Bleed Air Extraction through a Circumferential Gap in a Low Speed Axial Compressor Stage | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/05c76b6c59e043667c39444a7a448b7d7e70c866/2-Figure1-1.png)