Seems to me that you need to go back to square-1 and verify your equipment and processes. You should have seen some sort of results on the film.

What shutter? Are you sure the X-synch is properly working? If, for some reason, your shutter has M-synch and you are set their... that could be your problem.

Are you sure you loaded the film into the back properly and the rollers are working? Did the "goo" spread across the film when pulled for processing?

How did you meter the flash? Even in "auto mode", if your strobe has one, you should have seem some image. I'd suggest using guide number calculations or a flash meter.