Hi mech5,
Thank you for your kind email and clarification of your calculation. It is great to know that you are very detailed in your approach in calculating the static pressure.
Based on my calculation the fan is for a kitchen fan so the static loss at the hood is 1 in. WC and the losses at...
Thanks Mech5,
Will you please explain the way you calculated? It will be really helpful for me.
Any easy calculation methods? Thanks in advance
elSid1 -Its SCFM.Thanks
Selected 4000 CFM fan with 3 in static for supply air normal application.
Please check if my calculation is correct I have a 20”X14” duct with 113ft running and three 90 degree elbows and two 45 degree elbows.
Thanks
Hi All,
I have a query regarding car park fans for exhaust and on emergency use.
If a fan is designed for car park normal day to day smoke exhaust of 12000 cfm (normal speed) for a given area. How much ratio to be considered in case of emergency smoke exhaust running on (high speed).
Kindly...
Please clarify why reversible axial fans are having low efficiency respectively comparing with normal operation fans.
I have bit confusion is it because the impellers have been modified to allow for reversible operation i.e flow 'A' orientation equals flow 'B' orientation. To achieve this...
