Hi LittleInch,
Thats crystal clear now! I used the correct values for various schedules and now my figures are much more correlative with those of the sliderule. Time to banish it the back of the drawer!
Thanks guys!!
Hi Gents,
Thank you all for your replies, very helpful indeed!
RConner, that was my exact thinking in digitising this calculator, once written, its far easier to do it onexcel, with much less chance for user error. And i see what you mean, we may consider a 2" nb to be exactly 2", whereas the...
[smile]Hi IFR, BigInch,
Basically, i wrote a calculator that takes a user specified flow requirement, and velocity limit will provide a pipe size required to meet such requirements. We use two materials of pipe, 316SS and 90/10 cu/ni, with maximum velocity limits of 5 and 3.6 m/s respectively...
Hi Rconner, thanks for your response.
Both my calculation and the slid rule work from the nominal diamter of the pipe in question, thus being the ID
I shall try converting all the various parts into one unit form beforehand ans then calulcating again to see if i still get the same differences...
Hi BigInch,
Thanks for your reply, i think i understand where you're coming from.
However, i don't believe that my problem was a maths related one. I am 99% confident in the formula i used i just wanted clarifcation that i hadn't missed something important, such as density or temp...
Hi, I am new to the forum so forgive me if i have put this thread in the wrong location.
I am looking for some help and advice on a calculation i have transposed in order to help size cooling lines on a diesl firewater pump package.
The calculation takes the pipe size in inches, and the pipe...
