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March  2009

Your intelligence brief on infrared thermography

Volume 10 Issue 3

 

In This Issue:

Welcome

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InfraMation 2009

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Hello {{user("firstname")}},

Here in Boston, March certainly roared in like a lion. We had up to 12 inches of new snow to welcome our Level I class on Monday morning. This after temperatures of 60 degrees the week before.

Which brings up the subject of energy efficiency in our buildings. President Obama's stimulus package includes $5 billion for the Weatherization Assistance Program (WAP). Weatherization typically means adding insulation and caulking to buildings. Our homes consume 40 percent of our energy nationwide, and, as energy guru Amory Lovins says, "It is cheaper to save electricity than to make it." Increasing the efficiency of our homes reduces fossil-fuel consumption and creates jobs.

With that in mind I would like to introduce our new feature, Videos of the Month, to you. Our first videos involve using IR for, you guessed it, weatherization applications.

As usual we have our Message board posts, News items, and our monthly Brainteaser for you to solve.

As with all images in this newsletter, click an image to see a larger version.

We'll see you again next month,

Gary Orlove,
Editor and Publisher

 

  New Feature - Videos of the Month 

 

This video is an excellent overview on performing an energy audit with an infrared camera and blower door. The author then provides details on how he retrofitted his home with energy saving technologies based on the audit. A final blower door test confirms the leaks have been repaired. If you can't see the video, click here.

 

Is this home well insulated? Look at this video and you be the judge.

 

  IR News you can Use

Straight from the World Wide Web, here is what's going on in the world of infrared thermography.

Medicine/veterinary

  • New meaning for 'fuel efficiency'
    Guelph Mercury - ‎Feb 26, 2009‎
    A great portion of this heat is dissipated as radiation through the skin, which an infrared camera can detect. As well, considerable energy is lost through...

  • Cattle Health: New Tools For Assessing Pain
    CattleNetwork.com - ‎Feb 23, 2009‎
    Thermography results revealed the model produced a mild degree of inflammation, Anderson notes. More succinctly, White says, is that “the accelerometers ...

     

science

  • Catastrophic optical damage in semiconductor lasers
    SPIE Newsroom - ‎Feb 25, 2009‎
    Real-time monitoring of diode lasers using simultaneous optical near-field and thermal imaging reveals spatially confined thermal flashes with a duration of ...


  •  

  • Picture post: ‘thermal microhabitats’
    Korner image.JPGNature.com (subscription) - ‎Feb 13, 2009‎
    Using a high resolution thermal imaging camera, this picture illustrates the large variation of temperatures in an alpine landscape at 2500m elevation in ...


  •  

Energy/Building science

  • Infrared Thermal Cameras Help Foam Contractors and Home Owners to ...
    Infrared Camera Finds Missing InsulationSprayFoam.com - ‎Feb 27, 2009‎
    When it comes to pinpointing costly energy loss in your home, thermography is the ultimate non-evasive diagnostics tool. Thermography is a technique in ...


  •  

  • The light switch
    The Sun - ‎Feb 22, 2009‎
    Low and high ... thermal imaging show the bulb on the left is far more efficient By Captain Crunch LOW-energy light bulbs are a classic example of how a ...


  •  

  • Go Green: Infrared Energy Audit
    WROC-TV - ‎Feb 17, 2009‎
    Jones uses an infrared camera to track down the places where cold air exists. It's one way to perform an energy audit. He tracks down the places where heat ...

 

 ITC Message Board Posts 

Here is a selection of recent new threads by IR Community members. Feel free to click the links, see the responses, and post your own response if you like.

  • Is this roof a problem?
    I scanned the outside of this home. The day was very cloudy all day, and very cold.
    The entire roof looked bright mustard yellow. The house was built around 1945, should the roof appear this warm? I don't have alot to compare to. Please offer your opinion.
     

  • Levels in Fuel Storage Tanks
    Obtaining the levels of vertical storage tanks with thermal imaging is straight forward, but spherical and horizontally mounted tubular concern me sometimes. The general theory is ok but when top of both of these types of tanks have the reflected temperature of the sky, and the underside the reflected temperature of the ground which where I operate is generally much warmer. I prefer to use the images of the ends of the tubular ones, but I am not too happy with the spherical results. Any advice or reccomendations welcome

  • Inside bedroom wall ?
    The wind is blowing 2mph, outside temp is 49.8 F and this appears to to be cold air blowing in between the wall and roof line. Any thoughts on this? Customer had 10" insulation blown in last year and attic appears to be covered well with fiberglass insulation.
     

  • Stitching Images Together
    Does anyone know how to stitch IR pictures with the 8.1 pro. I upgraded from the 8.1 standard but the book is the same, and does not show how to do it.

  • Odd settings required to reach actual temps
    I shot a pump and got a max temp of 141F with a flange temp of 120 or so. I used the defaults 1.0 emissivity and a background of 68. Later, I went down with a contact thermocouple and actual flange temp is 96F. Reshot and got the same values, SO I reset E to .91 and background to the painted concrete temp of 58F. My 96F point went to an apparent 125F. So I got weird and just entered random numbers. When I ended up at 277 for background, my pump flange was close to actual.

And of course if YOU have a question or want to start a discussion on a topic, we would love to hear from you. Just post a new thread on a message board.

 

Brainteaser of the Month 

Here is this month's brainteaser. Readers who email us a correct explanation are entered into a drawing to win a prize. Please put "Brainteaser" as the subject of the message.

Click here to email your guess

Do you have an interesting image that you think would challenge other thermographers? If so please email me your image (preferably in native .img, .jpg, .tif, .tgw, or .tmw format) with an accompanying visible photo and explanation. If your image is used, you receive a gift as well.

 

Last Month's Brainteaser

Last month's brainteaser is a picture taken in Brazil of a Philodendron flower that heats up almost 20 degrees above ambient temperature. The flower produces heat for only one day and then essentially closes back up. Meanwhile, the high temperature and fragrant smell produced attracts numerous pollinating insects.

Click here for more information on this phenomenon.

Five guesses came closest to explaining the image out of the 99 guesses I received. Congratulations to our winner Shay Edwards (Shay is a high school student who has won numerous science fair awards with his work on thermal imaging), and to our thermogram contributor, Glenn Tattersall from Brock University in Ontario, Canada. They all win the revered ITC low e coffee mug.

 

Course Calendars 

Click the links below to see our latest course schedules (in local language).

 

About the Infrared Training Center 

The Infrared Training Center offers training and certification in all aspects of infrared thermography use. Our world-class training headquarters are located near Boston, Massachusetts, USA and Stockholm, Sweden and have the world's most extensive hands on laboratories for infrared applications. In addition, we have training centers around the world. Please join us in exploring the fascinating world of the infrared!

Your comments and suggestions about this newsletter are welcomed and encouraged. If you have an interesting application or case study to share, we encourage you to submit it for publication. Published articles earn credit towards IR recertification.

Please e-mail Gary Orlove or send regular mail to the Americas office.

Visit our website:
 


ITC Americas, BOSTON

25 Esquire Road
N. Billerica, MA 01862, USA

Tel: +1-978-901-8405
Toll free: +1-866-TRAINIR
                 (866-872-4647)
Fax: +1.978-901-8832
E-mail:
mailto:info_us@infraredtraining.com


ITC Eurasia, SWEDEN

Rinkebyvägen 19
SE-182 11 Danderyd, Sweden

Tel: +46 (0) 8 753 25 00
Fax: +46 (0) 8 753 26 01
E-mail:
mailto:itc@flir.se

 

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