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Human Factors Engineering In The Chemical Process Industry

Posted by ankur2061 in Ankur's_Chemical_Engg_Blog, in Management 17 May 2012 - - - - - - · 131 views
human, engineering, factors and 3 more...

Human Factors Engineering In The Chemical Process Industry Something new and interesting came up recently while I was checking some documents. This was related to "Human Factors Engineering" (HFE) related to an upstream oil & gas engineering installation. Today's blog entry is a kind of primer on HFE in context to the chemical process industry.

Let us start with the general definition of...

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Community Upgrades - May 2012

Posted by Chris Haslego in Community Admin Blog, in Community Updates 03 May 2012 - - - - - - · 1,015 views
community, upgrade, changes

Community Upgrades - May 2012 We just completed what is actually a quite substantial software upgrade here at the site.  Most of the significant changes are best described as "under the hood".  We're hoping to see some performance enhancements and some fundamental changes are happening for future enhancements as well.

There are a few changes that you may notice on the...

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Chexpress - May 1, 2012

Posted by ChristaS in ChExpress Blog, in ChExpress Blog 01 May 2012 - - - - - - · 258 views
dow chemical, novo nordisk and 4 more...

North America


Ethylene Plant


Dow Chemical Co. will build an ethylene plant in Texas that will employ as many as 2,000 workers. The plant is scheduled to open in 2017. It will be built at a Dow site in Freeport, Texas. The facility will use ethane and other...

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Dust Hazard Assessment

Posted by Mark Roote in Mark Roote's Blog, in volume, length to diameter, dust accumulation 07 October 2011 - - - - - - · 465 views
cyclone, baghouse, nfpa, osha and 1 more...

Anyone working in a facility that handles dust (which is essentially every facility) is trying to get ready for the crackdown from OSHA and NFPA. While OSHA and NFPA are still trying to figure out the best way to implement new standards, what those standards will be and how to enforce the standards, NFPA and OSHA have come out with some temporary...

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A Different View Of Harrell's Colebrook-White Solution

Posted by Harrell in Harrell's Blog, in Technical 01 October 2011 - - - - - - · 415 views
solution, white, view, different and 1 more...

For some reason, most people still do not understand how my Colebrook-White solution works.

It has been tested, and re-tested over and over, and always gets the right answers if you don't make
a weird error.

This may help those who are questioning "Why does it work?"

In the Wikipedia you can read about the Lambert W function. Here's a...

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Refinery Tankages

Posted by ankur2061 in Ankur's_Chemical_Engg_Blog, 10 May 2012 - - - - - - · 316 views
refinery, tankage, tanks

Refinery Tankages Quite sometime back, in one of my previous organizations there was some talk into diversifying into the business of providing engineering services for petroleum refining industry. We were all very excited about it and all of the process engineers were asked to take up some background study related to a specific topic in petroleum refining.

Since the...

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Chexpress - April 17, 2012

Posted by ChristaS in ChExpress Blog, 17 April 2012 - - - - - - · 715 views
general motors co., amgen inc. and 8 more...

North America


Battery Explosion


Two employees were injured in a lithium battery explosion that forced the evacuation of about 80 others at a General Motors Co. facility in Warren, Michigan. The explosion at the Alternative Energy Center laboratory at...

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Revisiting The Reputation System

Posted by Chris Haslego in Community Admin Blog, 31 January 2012 - - - - - - · 2,406 views
reputation, system, likes

Revisiting The Reputation System A while back, I posted a blog entry on this subject here:

http://www.cheresour...and-reputation/

We've had some time to live in the environment and I collected much feedback from the community. I wanted to raise this issue again to see how you think the...

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Existing Equipment Strength Verification

Posted by Mark Roote in Mark Roote's Blog, 07 October 2011 - - - - - - · 475 views
steel plate, baghouse, map

Those of you that have used the spreadsheets created by "psafety" (MAP package 1, MAP package 2) may have run into some...

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Harrell's "funnel" To The Colebook-White Solution.

Posted by Harrell in Harrell's Blog, 27 September 2011 - - - - - - · 252 views
colebrook, white, solution and 1 more...

This is a PDF file with some tables and plots, to show visually how my method works. I call it a funnel, because the procedure quickly guides to maximum accuracy. You will see that after step 2, the accuracy will be amazing. I already knew the solution to the Re and Rr would give 1/sqrt(f) about 4, so I plotted initial guesses of from -4 (that is a...

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Studying Chemical Engineering In Malaysia

Posted by rowanlim in Viewpoint, 01 November 2010 - - - - - - · 1,354 views
study, malaysia, chemical and 1 more...

I wrote this entry thinking about Malaysian students coming to the end of their high school life, 17 yr old youngsters who thought "Hey chemical engineering sounds like a good field, but how do I go about it in Malaysia?" This was the question I asked myself 5 yrs ago & I hope to present my view as unbiased as possible & maybe a young...

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Screw Feeder Auger Shafts

Posted by LRS in Lifetime-Reliability Blog, 09 August 2010 - - - - - - · 534 views
screw, break, shaft, feeder

Analysis of a broken screw feeder shaft on a granular Copper Sulphate Bagging Hopper Feed Screw


Are your screw feeder and trough screw conveyor auger shafts snapping in half?
If you have rotating shafts breaking at the centre of the span then you quite likely have a metal...



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