Selection of
Projects led by Dr. Gabriel Teodorescu
as Project
Manager
SYNTHESIS
1:
|
Name of the
project/year |
Study of “Fitness for
Purpose” condition of the Boiler’s Upper Steam Drum at the Tarnaveni Power
Plant (Romania) / 1978 |
|
Beneficiary |
Romanian National Energetic
System, Tarnaveni Power Plant |
|
Contract
number/Value |
10 – 78 – 106 / 220 000
$ |
|
Scope of the
Project |
The evaluation of the
Fitness for Purpose of the Upper Drum. Evaluation of its defectological
estate, and its capacity to function on. |
|
Achievements |
On the internal surface of
the drum was identified a corrosion of type PITTING. One measured the
depth of a significant number of pits, using a combined Ultrasound + Eddy
Current technique. The analysis of experimental results using Mathematical
Statistics, permitted to establish the maximum value of the corrosion
depth at 5.6 mm, with a probability higher as 99.8%. Supplementary, were
performed micrographs and destructive tests. |
|
Research means used in
project |
Tests on pits with
Ultrasound and Eddy Current; The experimental results
were processed on the special developed Computer Programs written in
FORTRAN. |
|
Value of
Contribution |
Conclusions resulted from
the mathematical processing on Computer of experimental results, permitted
to evaluate positive the functioning on of the drum. This represented a
very important financial saving, including the value of electric energy
that could not be produced up to the Upper Drum
replacing. |
SYNTHESIS
2
|
Name of the
project/year |
The Nondestructive Testing
of the Spheres from Quick Stop System Nr. 2 (using Gadolinium Nitrate)
from CANDU Nuclear Reactors /1987 - 1991 |
|
Beneficiary |
Nuclear Power Plant
Cernavoda (ROMANIA) |
|
Contract
number/Value |
10 – 87 – 302, / 400 000
$ |
|
Scope of the
Project |
Developing one experimental
setup for radiographs inside spheres (PEHd, Ć 250 mm). Nondestructive examination of
spheres. |
|
Achievements |
It was invented one
technique for radiographing spheres. It was obtained one Invention Brevet
for this technique (see “Value of Contributions”
below). Establishing one unitary
procedure for NDT of all the spheres on the CANDU Nuclear
Reactor. |
|
Research means used in
project |
NDT examination with
Ultrasound and X rays of the mentioned spheres. The experimental data were
processed by one Computer with Special Developed Programs, written by
author in FORTRAN. |
|
Value of
Contribution |
Improving the reliability of
the CALANDRIA zone (the Core of the Nuclear Reactor. Decreasing the
nuclear accident risk. Invention Brevet RO/CA
102960, published at 06 20 1992 for « Radiographing the spheres made
of plastics used at the Safety System of Nuclear
Reactors » |
SYNTHESIS
3
|
Name of the
project/year |
Evaluation of Fitness for
Purpose of one installation for Catalytic Reforming at “Brazi” Oil
Refinery / 1992 |
|
Beneficiary |
“BRAZI” Oil Refinery
(ROMANIA) |
|
Contract
number/Value |
3 – 1992/ 322 000
$ |
|
Scope of the
Project |
The evaluation with
ultrasounds the presence/absence of cracks inside the reactor’s
casing. Taking the decision Fit/Not
Fit for reactor’s functioning on. |
|
Achievements |
Developing one new
technology for NDT with ultrasound, specific for Chemical Industry,
Petrochemical Reactors on Catalysers Base. Establishing of technical
condition for functioning on. |
|
Research means used in
project |
NDT Examinations with
Ultrasound and Eddy Current. Micrographs direct on the
surface of the Catalytic Reactor for analyzing the microstructure of the
casing metal. The experimental results
were processed on the special developed Computer Programs written by the
author in FORTRAN. |
|
Value of
contribution |
Mathematical processing of
the experimental data led to the conclusion that the reactor may function
on. In this way one may avoid
the replacing the reactor with a new one. Estimated cost for a new
reactor was 13 000 000 $. |
SYNTHESIS
4
|
Name of the
project/year |
Realization of an ultrasound
transducer for measuring the levels in closed
recipients/2002 |
|
Beneficiary |
CNCSIS |
|
Grant
number/Value |
6109 GR/2000 – 1992/ 62 000
$ |
|
Scope of the
Project |
Theoretical and experimental
modeling of the vibrations attenuation in one viscous medium. Electronic
schemes developing, and laboratory experimental
model. |
|
Achievements |
Developing and mathematical
modeling of new electro acoustic devices. The construction of
experimental transducers as well as the electronic part for data
processing. |
|
Research means used in
project |
Ultrasonic new models using
in combination with Eddy Currents. Modeling using ANSIS
Software. Constructing electronic
devices. |
|
Value of Contribution
value |
From the researches resulted
one functional transducer, able to measure levels of viscous liquids in
petrochemical tanks, without explosion danger. It was also developed the
electronic interface in order to use and integrate the transducer in
Complex Automatic Systems. |
In my activity as Researcher, I managed 35 of such
projects. At the end of any research projects, the results were published. They
can be found in my list of Published
Scientific Works.
Gabriel Teodorescu, PH.
D