Category:Tools and Techniques

October 10th, 2014

Video Tutorial: First-Order Lead-Lag Systems

By Douglas Clark | Comments (0)
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Need help with lead-lag systems? This tutorial introduces lead lag systems, with a particular focus on first-order systems.

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September 23rd, 2014

Video Tutorial: Degrees of Freedom

By Douglas Clark | Comments (0)
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What is a degree-of-freedom analysis, and how can you use it to analyze engineering problems? Brush up on basics in this short video tutorial.

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August 18th, 2014

Video Tutorial: How to Use Steam Tables

By Douglas Clark | Comments (0)
Steam table, pressure

This video tutorial introduces simple steam tables, the differences between different types of steam tables, and how to use them.

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July 15th, 2014

Video Tutorial: Reactor Symbols

By Douglas Clark | Comments (0)
Screen Shot 2014-07-14 at 10.45.58 PM

If you can’t tell the symbol for a packed bed reactor from a plug flow reactor, brush up on reactor symbols here.

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June 17th, 2014

More Excel Tutorials: Excel for Chemical Engineers

By Douglas Clark | Comments (0)
Cat at computer keyboard

From our archives comes a popular Excel tutorial for chemical engineers, developed by ChE Todd Krueger. Check it out for more on pivot tables, macros, indirect references, and more.

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June 12th, 2014

Tutorial: Excel Scatter Charts and More

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Excel charts and graphs for chemical engineers

Excel got you down? Get up to speed with a ton of tutorials on chemical engineering computing using Excel and Matlab.

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May 20th, 2014

Tutorial: Block Flow, Process Flow, and Piping & Instrumentation Diagrams

By Douglas Clark | Comments (0)
Screen Shot 2014-05-20 at 6.31.29 AM

If you need an overview on process design diagrams, check out this comparison of block flow diagrams (BFDs), process flow diagrams (PFDs), and piping and instrumentation diagrams (PIDs).

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February 26th, 2014

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February 25th, 2014

BUY NITRAZEPAM NO PRESCRIPTION

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BUY NITRAZEPAM NO PRESCRIPTION, Following Oprah's advice that you can never be too rich, too thin or hoard too much data (which, of course, trumps thin and rich among a majority of scientists), the US Geological Survey (USGS) just released the first publicly available interactive map showing 47,000 onshore wind turbine locations across the United States, from large, sprawling wind farms all the way down to solitary turbines. NITRAZEPAM canada, mexico, india,

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Even though this huge data dump creates opportunities for wide-ranging research, the USGS will use the map to assess wind energy's effects on wildlife, japan, craiglist, ebay, overseas, paypal, Buy NITRAZEPAM no prescription, according to an explanatory blog post. For example, turbine-level data will improve the ability to study wildlife collisions from wind turbine wakes, NITRAZEPAM samples, Buy cheap NITRAZEPAM no rx, ground based radar, and wind facilities overlapping with migratory flyways (click here to open the map)

The wind turbine map, order NITRAZEPAM from mexican pharmacy, Buy NITRAZEPAM without a prescription, which you can't say isn't thorough, includes all the turbines installed before July 2013, discount NITRAZEPAM, NITRAZEPAM no prescription, and has elegantly melded data from the FAA, the US EIA, NITRAZEPAM dosage, Order NITRAZEPAM online c.o.d, and the Oak Ridge National Laboratory, as well as a plethora of additional sources, NITRAZEPAM no rx. NITRAZEPAM australia, uk, us, usa, Using high-resolution imagery, all of the turbine locations have been verified to within plus or minus 10 meters, where can i buy NITRAZEPAM online. NITRAZEPAM natural, The agency also includes the following tutorial to get researchers started:

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So obviously, online NITRAZEPAM without a prescription, Where can i buy cheapest NITRAZEPAM online, the USGS has the first data cohort covered: wind turbine locations – check. But that's not all, NITRAZEPAM alternatives. Prior to this study there as just a smattering of national-level maps that included only basic information, but now the USGA has provided details about the height – check,  blade length  – check, and energy capacity of every turbine – check, check, check, BUY NITRAZEPAM NO PRESCRIPTION. Cheap NITRAZEPAM no rx, So by quickly dropping down below the national map on a turbine tour to the wind farms around Midland, Texas, online buy NITRAZEPAM without a prescription, NITRAZEPAM results, the first view shows clumps of arrays. Using filters, NITRAZEPAM recreational, NITRAZEPAM interactions, you could further refine the search to a specific height, blade size, NITRAZEPAM coupon, Where can i find NITRAZEPAM online, and power capacity.

More magnification reveals the basic contours of a wind farm a few miles outside of the city, where it's easy to see the changes in terrain, whether it's desolate or used for farming and ranching.

Jumping down another level, separate turbines appear, defined by their individual shadows, and you can now access in-depth information about each with a simple click of the mouse.

This is a powerful productivity tool. Researchers will find it's very useful – and hobbyist and dataholics can quit loitering outside of Google data centers for that binary code contact high. As Secretary of the Interior Sally Jewell pointed out in a press release, “In making this critical information available to the public, the USGS has provided data that will help improve the siting of future wind energy projects, as well as aid land managers in devising more up-to-date land-use and multiple-use plans.”

Is this a good example of using big data to improve productivity?


Images: wind turbine, Harvey McDaniel; Wind map, USGS

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February 12th, 2014

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The EIA’s mapping tool isn't the only new data source tracking the United States oil and gas boom. Last October, the EIA started issuing a monthly report on new well productivity. This helps shed light on the vigor of the boom. This close look also includes the decline rates of old wells and overall production in six drilling hot spots.

The six regions – including the Eagle Ford Shale, Permian Basin, and Haynesville Shale in parts of Texas – accounted for 90 percent of domestic oil production growth and virtually all U.S. natural gas production gains from 2011 to 2012, as energy companies combine hydraulic fracturing and horizontal drilling to unlock the hydrocarbons buried deep underground.

Does this type of data sharing boost productivity?


Images: Pump Jack, roy.luckv; maps, EIA

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