More From Mixture

This time with better info.

So we experimented with pintile placement using a simple system just to get some initial data. In order to avoid things like combustion instability and to allow for film cooling, achieving a good fuel mixture is critical for the success of our project.

Our first one has a clear gap in the flow distribution:
IMG_0526.jpg

After a few tweaks to the gap size from the pintile we got a much more even flow:IMG_0531.jpg

For reference, here is what the injector looks like (in assembly):
IMG_0504
And here’s two videos. One at a low pressure and poor pintile placement. The other at closer to optimal conditions.
Failure First:

Success Second:

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