Dear any concerned people
Recently one Acrylic storage tank fractured in size of 4m diameter(thk 50mm), 5m height
this was built 12 years ago.
Several expert say that this would be caused by Seismic load in value of richter scale 3.0
at that time. And Acrylic degradition for lomg time since this...
Dear All,
My thread was moved to this from others because sufficient answer was not coming out.
I'm always confused to give available stiffener distance as attached sheet.
Case 1, Case 2, Case 3 for this three case of that Roak's formulas may be applied for each condition.
However I want to know...
Hi, Concerned person
Recently, I surprised when I heard of happening welding crack in area of stainless steel
since about 3 years of S.Steel welding in small size of 2-1/2"
When I review technical specification in feed water line where pressure is less than 50 psi.
it allowed to install pipe...
Hi concerned person
When I review maxinum available stiffener distance in horizontal direction
of rectanglar tank calculation, I always confuse in appliing factor "α" of roak's formulas
which one is correct at attached sample case.
Kind regards,
Ryu changMyong...
Dear sir,
I want to know correct applied rule for AFC(Air Fin Cooler)
There is fin tube connected between two tube header, As I know this header thickness calculated by ASME SEC.1 not for ASME SEC.VIII Div.1
however, tube ligament efficiency calculation is shown on UG 53 in DIV.1
I wonder which...
Dear ALL
One of the Drag chain conveyor installed 2 year before, but recently guide rail connecting scraper to chain with bolting weared and runned away, this guide material is ASTM A36, steel structure material, could you tell me what is the problems. is it problems in material. and what...
Dear ALL,pls let me ask you some technical advice for tube failure in Heat exchanger
as shown on attached Tube failure status.
Since Heat Exchanger operation in 2001 year, for 15 years
Tube failure occurred in drain outlet where located between
Tube sheet and 2ND baffle at 3, 4 pass area...
Dear sir,
pls let me ask you some technical advice for tube failure in Heat exchanger.
as shown on attached Tube failure status.
I would like to know that why 8~10 q'ty yearly tube failure occured in 3, 4 pass area near by
Condensate drain nozzle that is by 2nd baffle from Tube sheet...
