CHD01 (Mechanical) Dec 9, 2003
I recently had an interesting dicussion with a man (welder by profession) who had back surgery and requested a titanium plate versus SST for his back surgery. The doctor provided this for him, saying either was available but that they normally use SST.
As a...
I recently had an interesting dicussion with a man (welder by profession) who had back surgery and requested a titanium plate versus SST for his back surgery. The doctor provided this for him, saying either was available but that they normally use SST.
As a mechanical engineer in the chemical...
I am interested in the various methods you all use to obtain reaction rates for sizing relief devices; particularly what general methods can be applied that result in safely over-sizing a valve if physical properties are limited and testing is not immediately available (similar to the way API...
I happened across this site today and was amazed at the amount of information offered to engineers free (excel programs, magazine subcriptions, technical articles, etc).
You might want to check it out!
http://www.cheresources.com/indexzz.shtml
The EXCEL engineering programs offered seemed to...
I have a system where a rented refrigeration package is rated at 60 Tons, consisting of a refrigerant cooling a brine solution. The brine solution is pumped to a shell & tube cooler which cools a process fluid storage tank via a recirculating pump. An excel model of the cooler shows the cooler...
I have a Compaq Presario Model 1650 computer with a battery that I think needs replacement; but it could also be that compter battery meter is in-correct and cauing computer to alarm and shutdown. I have a Lithium battery and a replacement is like $130.
What is the best way to determine if a...
At work I use the program DIPPR to precict physical properties. It is excellent, but is expensive. I have been looking on the internet for a free preferably downloadable program but have not found what I want - has anyone discovered something they would recommend? The more you learn, the less...
Given a vaporizer with an external sight glass providing indication of liquid level in vaporizer, it can be observed that on sudden loss of vaporizer pressure, that the liquid in the sightglass boils with liquid swell occuring which lifts the liquid in the sightglass. The appearance of the...
I have a speradsheet where rows contain merged cells and different width rows and columns. When I try to SORT the data by the overall score in my last column, I get the following error message: "This operation requires the merged cells to be identically sized" Can anyone suggest a...
I have engineering spreadsheets for engineering calculations which I would like to copy protect. EXCEL has a copy protection method which allows you to assign a password to copy protect the spreadsheet. Unfortunately, I have found that if a sheet is copy protected all you need to do is to open...
