Anyone know the design limitations for specifying "blade tip speed" for an axial fan. I think the end use is blowing air to remove soot on the discharge of a boiler. Large volume, low pressure application.
Have an EPRI doc on fans but it doesn't really address the tip speed. No API standard...
I had issues using the spherical washers during assembly of the control valve bonnet to the steam turbine casing. Instead of leveling the force of the cap nut to bonnet, it created a bending force and significantly bent the stud over. I had to manufacture new standard washers and remove the...