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How to view the tray hydraulics calculation results in pro2

2009-09-25View Original

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The last edit to this post was made by Michael8455 on 2009-10-13 at 13:23. TRAY RATING MECHANICAL DATA SECTION TRAY DIAM TRAY SPACE SF ------- TRAY -------- NUMBERS MM PASSES MM TYPE METAL THK, MM ------- --------- ---- ------ ----- ---- ----- ----- ------- 1 2 - 14 1200. 1 550. 1.00 SIEVE SS 3.400 SECTION NO VALVES VALVE CAP TO SIEVE UNIT ++ WEIR HT DC CLEAR OR CAPS THK,MM CAP, MM PCT DIA, MM MM MM ------- --------- ------ ------- ----- ------- ------- -------- 1 N/A N/A N/A 9.04 12.000 44.000 29.000 ++ DIAMETER OF VALVES, SIEVE HOLES, OR BUBBLE CAPS SECTION DOWNCOMER WIDTHS, MM SLOPED DC WIDTHS, MM SIDE CENTER OFF-CTR OFF-SIDE SIDE CENTER OFF-CTR OFF-SIDE ------- ----- ------ ------- -------- ----- ------ ------- -------- 1 6.00 N/A N/A N/A 6.00 N/A N/A N/A TRAY RATING RESULTS PRES WEIR DOWNCOMER TRAY VAPOR LIQUID VLOAD DIAM FF DROP RATE BACKUP, PCT M3/S M3/S M3/S MM KPA CM3/S/MM TRAY SPACING ---- ----- ------- ----- ------ ---- ------ -------- ------------ 2 0.573 0.00051 0.021 1200.0 17.2 0.363 3.040 19.60 3 0.568 0.00043 0.020 1200.0 16.3 0.365 2.565 19.00 4 0.563 0.00034 0.018 1200.0 15.1 0.373 2.005 18.27 What do VLOAD, FF, WEIR RATE mean? And what does the last item mean? Please answer it if you are familiar with it; thanks!
Reply #22009-09-25
VLOAD might represent the standard gas-phase load, FF could be the kinetic energy factor of the valve orifice, WEIR RATE is the overflow density at the weir; as for the last item, it’s not entirely clear
Reply #32009-10-12
The last item should be the downcomer size
Reply #42010-11-01
Wow, I happened to come across the explanation; I kept looking for it but couldn’t find it
Reply #52010-11-03
FF must be the kinetic energy factor of the tower, right?~~

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