In reply to francis 's message of Sun, 19 Jun 2011 09:11:41 -0400: Hi, [snip]
Why not control the pump speed electronically (as well)? >Stephen, > > I think you might be missing the point, in free running the >OOP is AT the critical temperature and the heat sinking must be exactly >balanced between quenching and runaway while "normal" operation is kept >slightly below the critical temperature such that a PWM can push the >material into critical behavior for a certain duty factor knowing the >cooling loop is already operating at a rate which will pull the device back >under critical simply by reducing the PRF or duty factor of the heater. > >Fran Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
