Bardia, Kanhaiya L. Cleveland, Ohio, USA. July 20—24, Code Case  of the ASME Boiler and Pressure Vessel Code  provides alternate rules for determining the allowable external pressure and compressive stresses for cylinders, cones, spheres, and formed heads in lieu of the rules of Section VIII, Divisions 1 and 2. Sign In or Create an Account.
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Already a member? Close this window and log in. Are you an Engineering professional? Join Eng-Tips Forums! Join Us! By joining you are opting in to receive e-mail. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Students Click Here. Related Projects. I can only find direct information about cylinders, cones, speres and formed heads. Can I presume this code case is also allowed for tubes? More detailed: is it allowed to apply this code case for heat exchanger tubes?
I'm currently evaluating PVElite , and this program does not calculate heat exchanger tubes with this code case, so it seems. I'll rather like the first option The PV Elite does calculate the minimum wall thickness for internal and external pressure, on the 'loads' screen of the tubesheet design input section. Look in the bottom of the screen, after you selected the tube and tubesheet material obviously, you have selected and completed all the previous screens.
You could also go to the Coade Forum for additional and professional advice from the makers of the PV Elite refer to Coade website. Cheers, gr2vessels. I thought had been added to and assimilated into the edition. Thanks for the answers, but I'll try to clarify some more. In my calculations I'm doing right now, the tubes used are not strong enough to hold this external pressure of bar.
But by using code case , these tubes would be strong enough I calculated this manually. I activated 'use code case ' in the PVElite options. For external pressure on the shell or channel, this code case is used, but for my heat exchanger tubes, there is no difference noticable. So, my question is: who is right? Am I right, assuming that tubes from heat exchangers may be calculated with code case ?
I find this ASME code case not unambiguous enough to assume it is allowed or not to use for heat exchanger tubes. I take your word, I'm unable to check now the PV Elite. I will come back to you with the correct answer. There is scope limitation for code case Most likely the tubes are outside the scope of this code case. Thanks for the answers so far. I checked the slenderness issue. This could indeed be a limiting factor, depending on the interpretation of the code case.
It's not all that clear if we try to calculate U-bundle tubes with this code case. There is no axial compression involved. The part of the code case we need for this calculation doesn't involve this value. Red Flag This Post Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.
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Students Click Here Join Us! Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. Resources Asset lifecycles of capital assets like manufacturing or utility plants are decades-long.
Download Now Traceability is increasingly important in the food and beverage sector due to strict regulations and rising consumer demand for corporate social responsibility. Download Now Early Supplier Involvement has long been a strategy employed by manufacturers to produce innovative products.
Code Case 2286 Applied to the Design of Pressure Vessels
Volume 3: Design and Analysis. Toronto, Ontario, Canada. July 15—19, For Division 1 vessels, the vacuum chart method is a user-friendly tool for determining allowable compressive stress.
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