where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -

531 views
Technical Discussions
Theodoros Theodoulidis
Teacher, Researcher
University of Western Macedonia, Greece, Joined Dec 1999, 5

Theodoros Theodoulidis

Teacher, Researcher
University of Western Macedonia,
Greece,
Joined Dec 1999
5
02:05 Nov-04-2002
Infrared Thermography of buried pipes

Is it possible to detect bad insulation or leakage from a buried hot water pipe located about 1m underground?
The pipe is used in district central heating.
The equipment to be used: Thermocamera Agema 570 from Flir.
Is there any literature on the subject?




    
 
 
Kåre Johansson
Kåre Johansson
08:12 Nov-05-2002
Re: Infrared Thermography of buried pipes
: Is it possible to detect bad insulation or leakage from a buried hot water pipe located about 1m underground?
: The pipe is used in district central heating.
: The equipment to be used: Thermocamera Agema 570 from Flir.
: Is there any literature on the subject?
.
We have detected "thermal leakage" using an Ageema 550. Unfortunately it is difficult to say if such thermal leakage is due to insultation failure or leaking hot water. Only digging in the affected areas will tell you. In our case it was the sand and backfill which had settled. Perhaps experience will show the difference between leaks and settlement.

I don't know of any literature, but I am sure there is some - somewhere.
Regards Kåre Johansson


    
 
 
Otto Kroggel
Otto Kroggel
08:59 Nov-05-2002
Re: Infrared Thermography of buried pipes
: Is it possible to detect bad insulation or leakage from a buried hot water pipe located about 1m underground?
: The pipe is used in district central heating.
: The equipment to be used: Thermocamera Agema 570 from Flir.
: Is there any literature on the subject?
.
the combination (data fusion) of data from thermography and ground penetrating Radar could be helpful, provided that the surrounding ground is relatively dry in cases of no leakage.
Perhaps a little bit less effort than digging.


    
 
 

Product Spotlight

MUSE Mobile Ultrasonic Equipment

The MUSE, a portable ultrasonic imaging system, was developed for in-field inspections of light-weig
...
ht structures. The MUSE consists of a motor-driven manipulator, a water circulation system for the acoustic coupling and a portable ultrasonic flaw detector (USPC 3010). The MUSE provides images of internal defects (A-, B-,C- and D-scan).
>

NOVO Armor 15 & NOVO Armor 22

The Armor Kit Contains the NOVO Armor, which provides additional mechanical protection to the NOVO 1
...
5WN & NOVO 22WN Detectors, the Armor Stand and a traveling soft cover. - Newest shock absorbent technology case - Water resistant design - Supports wired & wireless communication - Multiple positioning options - Tripod connection using the Built-in 1/4” threads - Simple Detector battery replacement
>

FMC/TFM

Next generation for Phased Array UT is here now with FMC/TFM! Have higher resolution imaging, impr
...
oved signal to noise ratio, characterize, size and analyze defects better with access to several wave mode views and save raw FMC data for higher quality analysis.  Some of the benefits are:
  • Beautiful Image! Easier to understand what you're looking at
  • Completely focused in entire image or volume
  • Much easier to define setups before inspection
  • Easier to decipher geometry echoes from real defects
  • Oriented defects (e.g. cracks) are imaged better
  • See image from different wave modes from one FMC inspection
  • FMC data can be reprocessed/analyzed without going back to the field
>

NEW Wheel Type Phased Array Probe

DOPPLER NEW Wheel Type Phased Array Probe, more stable, new tyre makes lesser acoustic attenuation
...
, much lighter makes easier to handle, more slim size, magnetic and mechanical encoder optional etc...more
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window
s