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 -

TWI
TWI is a world leading research and technology organisation established in 1946. From bases in the UK, USA, China, Malaysia, Middle East, India a ...

1924 views
Technical Discussions
Dinev
Dinev
03:57 Nov-12-1999
Message.

As with accuracy to measure of factor of absorption and speed of a sound in a liquid. For example milk.


    
 
 
Jean Paul van Cuyck
Director
A2MS, Applied Acoustics, Materials and Systems, France, Joined Nov 1998, 13

Jean Paul van Cuyck

Director
A2MS, Applied Acoustics, Materials and Systems,
France,
Joined Nov 1998
13
05:58 Nov-13-1999
Re: Message.
: As with accuracy to measure of factor of absorption and speed of a sound in a liquid. For example milk.

If I understand well, your request is the precision we
can expect for sound speed meausrement and sound attenuation.

This value is dependant of your experimental setup,
electronics performances, and dimension measurement accuracy.

usually 1/100, we can expect 1/1000 m/s accuracy in ultrasonics speed
measurement with higth precaution procedure.

The attenuation accuracy depend on the same parameters
and also frequency use. For materials with higth
attenuation You can't perform the soound propagation
on big length, so your accuracy is limited.

Can you precise your application, please

J.P. van Cuyck

A2MS, Applied Acoustics, Materials and Systems
"Le Grand Luminy",
Luminy Scientific Park
13 288 Marseilles Cedex
France
Tel +33 491 828 494
Fax +33 491 828 485


    
 
 
Dr. Amos Mizrach
Engineering, R&D
Institute of Agricultural Engineering - The Volcani Center, Israel, Joined Oct 1999, 3

Dr. Amos Mizrach

Engineering, R&D
Institute of Agricultural Engineering - The Volcani Center,
Israel,
Joined Oct 1999
3
09:28 Nov-14-1999
absoption and speed of sound in milk.
: As with accuracy to measure of factor of absorption and speed of a sound in a liquid. For example milk.

This subject is interesting for me (especially wave sound in milk).
I'll be glad to get further information about applications of ultrasound in sound measurements in MILK.
Is someone manufacturing such equipment?
Thanks


    
 
 
Ed Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1252

Ed Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1252
08:44 Nov-14-1999
Re: absoption and speed of sound in milk.
An associate of mine, Dr. N.D.Patel, has made a system specifically for acoustic velocity and
attenuation measurements.
He has done measurement with milk and it can measure one drop of milk in 50 drops of water.
Important is that velocity is also function of temperature and thus we can use comparator
measurement and we should be able to measure very accurately. There is quite difference in 1%,
2 %, Homo and lactose free milk. The system can measure with 50 picosec accuracy.
Dr. Patel's email is fallon@netcom.ca

: : As with accuracy to measure of factor of absorption and speed of a sound in a liquid. For example milk.

: This subject is interesting for me (especially wave sound in milk).
: I'll be glad to get further information about applications of ultrasound in sound measurements in MILK.
: Is someone manufacturing such equipment?
: Thanks




    
 
 
Pim van Andel
Pim van Andel
00:09 Nov-15-1999
Re: absoption and speed of sound in milk.
: : As with accuracy to measure of factor of absorption and speed of a sound in a liquid. For example milk.

: This subject is interesting for me (especially wave sound in milk).
: I'll be glad to get further information about applications of ultrasound in sound measurements in MILK.
: Is someone manufacturing such equipment?
: Thanks

Take a look at www.rhosonics.nl
They have equipment and sensors for in-line measurements.
The ultrasonic sensor has a build in temperature sensor
that is realy needed for high accuracy concentration measurements with temperature compensation.



    
 
 

Product Spotlight

Research Center IDEKO develops an ultrasonic train wheel inspection system for CAF

The Basque Research centre IK4-IDEKO has developed a state-of-the-art ultrasonic inspection system f
...
or the train wheel. This system secures a sound condition of train wheels and is thus a significant contribution to rail transport safety. The device was delivered to CAF recently and its use allows the manufacturer to become an approved supplier of rolling stock in Italy, as it meets the demanding homologation standards of this country. \\\\r\\\\n
>

Immersion systems

ScanMaster ultrasonic immersion systems are designed for high throughput, multi shift operation in a
...
n industrial or lab environment. These fully integrated systems provide various scanning configurations and incorporate conventional and phased arrays technologies to support diverse applications, such as inspection of disks, bars, shafts, billets and plates. All of ScanMaster immersion systems are built from high accuracy scanning frames allowing for scanning of complex parts and include a multi-channel ultrasonic instrument with exceptional performance. The systems are approved by all major manufacturers for C-scan inspection of jet engine forged discs. Together with a comprehensive set of software modules these flexible series of systems provide the customer with the best price performance solutions.
>

Alpha Pro Digital Radiography System

The Alpha Pro digital X-ray system is the ideal system for your NDT \r\nneeds, as it offers amazin
...
g 16 bit images which enable the highest \r\nlevel of detection and identification of hairline cracks. While weighing only 3kg (6.6lbs), this panel has the largest imaging area: 35 X 43 cm (14X17 in).
>

Ultrasonic Testing Immersion Tanks with Unmatched Scanning Features

TecScan’s non-destructive testing Ultrasonic Immersion Tanks & scanners are designed for high pe
...
rformance and demanding NDT testing applications. Our Scan3D™ line of High Precision Immersion Tanks are specifically designed for automated ultrasonic testing of complex composites parts used in aerospace and industrial applications.
>

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