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Projects / Programmes source: ARIS

Terahertz waves based metrology in extreme environments

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Research activity

Code Science Field Subfield
2.09.00  Engineering sciences and technologies  Electronic components and technologies   

Code Science Field
T001  Technological sciences  Electronics and Electrical technology 

Code Science Field
2.02  Engineering and Technology  Electrical engineering, Electronic engineering, Information engineering 
Keywords
terahertz imaging, steel casting control, terahertz camera operating in extreme environment
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (18)
no. Code Name and surname Research area Role Period No. of publications
1.  38444  Daniele Bertocchi  Engineering sciences and technologies  Researcher  2018 - 2021  0 
2.  18018  Ivica Bertocchi    Technical associate  2018 - 2021  0 
3.  33297  Mitja Brlan    Technical associate  2018 - 2021  0 
4.  24915  Bruno Cacovich    Technical associate  2018 - 2021  0 
5.  51518  Miha Cacovich  Engineering sciences and technologies  Researcher  2019 - 2021  0 
6.  31188  PhD Olga Chambers  Mathematics  Researcher  2018 - 2021  0 
7.  18020  Boštjan Fink    Technical associate  2018 - 2021  0 
8.  24914  Carmen Hladnik Prosenc    Technical associate  2018 - 2021  0 
9.  54196  Jan Kavčič    Technical associate  2020 - 2021  0 
10.  10303  Ratimir Kuzma Cigoj  Electronic components and technologies  Technical associate  2018 - 2021  0 
11.  03494  PhD Marijan Maček  Electronic components and technologies  Retired researcher  2018 - 2021  0 
12.  24916  Franci Novak    Technical associate  2018 - 2021  0 
13.  24326  PhD Aleksander Sešek  Electronic components and technologies  Researcher  2018 - 2021  0 
14.  00166  PhD Drago Strle  Electronic components and technologies  Researcher  2018 - 2021  65 
15.  34652  PhD Andrej Švigelj  Electronic components and technologies  Researcher  2018 - 2021  0 
16.  01927  PhD Janez Trontelj  Electronic components and technologies  Head  2018 - 2021  0 
17.  10476  PhD Janez Trontelj ml.  Electronic components and technologies  Researcher  2018 - 2021  0 
18.  13143  PhD Andrej Žemva  Electronic components and technologies  Researcher  2018 - 2021  0 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  1538  University of Ljubljana, Faculty of Electrical Engineering  Ljubljana  1626965  65 
Abstract
In the proposed project we aim to take THz technology to a new level of development. It is about operating in extreme conditions present during liquid steel casting (above 1000°C). Correct dosing of lubrication mould powder represents a problem which has yet to be solved. Several methods have been employed in the quest of a valid solution, including ultrasound meethods, infrared light and other sensor systems, but all attempts have utterly failed. Currently the parameters of steel casting are set by an experienced operator who has to work in extremely severe conditions due to heat, dust and fogginess. Human errors are commonplace, there is a lot of rejections and steel quality is poor. The working hypothesis states that it is possible to measure the required parameters with THz technology. THz waves penetrate through the powder mist and the layer of lubrication powder and reach the surface of liquid steel in the mould. It will be possible to measure the thickness of powder as well as the level of steel during casting which is enough to automate this process. This would drastically improve quality and production efficiency. The LMFE group is known worldwide to be one of the leading groups in the field of frequency modulated THz systems for THz imaging of hidden objects. The solution of the project's goal will significantly increase the possibilities of employing THz systems in industrial processes. Therefore the proposed project has a wider importance for the development of the know-how and high technologies. THz research in LMFE is conducted mainly in the field of continuous THz radiation and production of components with microelectronic technologies that allow an efficient serial production. The project is conceived ambitiously. A prototype provided with measurements as a proof of concept is planned. It includes the following steps: a. THz illumination technique b. THz sensor and sensor array improvement c. THz signal processing d. Industrial test of THz system   The proposed project will bring new findings about THz technology and it will be put under test in a real environment of a steel foundry.
Significance for science
The research of THz and development of THz technologies are entering our world because of their specific properties. The contribution of the proposed research is the development of new knowledge in the field of THz technology and THz applications. The proposed research will stimulate the interdisciplinary collaboration between electronic engineers and metallurgists, moreover it will bring an applicative value to the Thz electronic systems which are being developed here in Slovenia. The research will incentivize the development of new THz sensors, systems and innovative THz signal processing techniques. The acquired knowledge and the new methods will substantially enrich the current understanding of THz waves penetration through less common materials and the possibilities of using THz technologies in industry.
Significance for the country
The development of THz applications for steel industry will consequently enable the development of other practical solutions for individual subsegments of steel casting industry and material processing which are not necessary dependent on the material. The new products and applications developed with the help of the findings obtained from this project will allow the Slovene industry to access advanced THz technology which will pave the way for higher quality and better efficiency of existing fabrication processes, increase the added value of products and decrease rejections.
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