Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
Recent content by TallJohann
-
Isentropic Exponent not = cp/cv ? Steam
Dear colleagues, I'm confused because I thought that kappa = cp /cv generally. Now I found in different property-tools, that for example water-steam 30barA, 245°C,cp=3.1992, cv=2.1134, cp/cv=1.513 BUT kappa=1,2804. Why that? How can I get to this kappa-value. In my EXCEL-tools I use the...- TallJohann
- Thread
- Replies: 4
- Forum: Chemical process engineering
-
Pressure Rate Classification of Weld Ends
Dear Colleagues, is there a standard for weld end dimensions comparable to ANSI 16.5 flange ratings? For example: Weld end, outerØ167.3mm x 18.26mm, A182 F22, can be classified as 1500lbs? Or are weld ends generally not classified with pressure rate classes? Thanks! Johannes- TallJohann
- Thread
- Replies: 3
- Forum: Pipelines, Piping and Fluid Mechanics engineering
