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Projects / Programmes source: ARIS

Research of primary standard for low pressure

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Research activity

Code Science Field Subfield
2.09.05  Engineering sciences and technologies  Electronic components and technologies  Vacuum technologies 

Code Science Field
P180  Natural sciences and mathematics  Metrology, physical instrumentation 
P351  Natural sciences and mathematics  Structure chemistry 
P352  Natural sciences and mathematics  Surface and boundary layery chemistry 
T151  Technological sciences  Optical materials 
T210  Technological sciences  Mechanical engineering, hydraulics, vacuum technology, vibration and acoustic engineering 
Keywords
primary standard, transfer standard, pressure metrology, static expansion, hydrogen outgassing, hydrogen recombination, spinning rotor gauge, long term stability, numerical modeling
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 (12)
no. Code Name and surname Research area Role Period No. of publications
1.  00741  Bojan Breskvar  Materials science and technology  Researcher  2002 - 2004  160 
2.  08797  MSc Tatjana Drglin  Cardiovascular system  Researcher  2002 - 2004  33 
3.  05673  PhD Bojan Erjavec  Electronic components and technologies  Researcher  2002 - 2004  136 
4.  09846  PhD Lidija Irmančnik-Belič  Chemistry  Researcher  2002 - 2004  99 
5.  17199  Nataša Lipovšek    Researcher  2002 - 2004  81 
6.  21772  PhD Milorad Milun  Materials science and technology  Head  2002 - 2004  68 
7.  04253  Miroslav Pečar  Electronic components and technologies  Researcher  2002 - 2004  16 
8.  16095  PhD Danijela Anica Skobir Balantič  Materials science and technology  Researcher  2002 - 2004  133 
9.  14647  PhD Darja Steiner Petrovič  Materials science and technology  Researcher  2002 - 2004  237 
10.  04254  PhD Janez Šetina  Electronic components and technologies  Researcher  2002 - 2004  251 
11.  13026  PhD Roman Šturm  Manufacturing technologies and systems  Researcher  2002 - 2004  329 
12.  08195  PhD Borivoj Šuštaršič  Materials science and technology  Researcher  2002 - 2004  412 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0206  Institute of Metals and Technology  Ljubljana  5051622000  6,009 
Abstract
In the proposed research we will study main sources of uncertainty and their contribution to the measurement uncertainty of primary standard for pressure generation by static expansion. We will determine algorithms for correction of errors and uncertainty of these algorithms. We will focus our research to the following topics. (1) Measurements of thermal degazation of calibration chambers and modeling of diffusion and recombination of hydrogen evolving from the surface, (2) Studies and modeling of temperature profiles of expansion chambers, (3) Research of a new method for determination of expansion ratio and its comparison with other existing methods, (4) Studies of uncertainty of measurements of initial pressure including the studies of long term stability of transfer standard gauges and (5) Mathematical modeling of pressure generation by static expansion, verification of the system and procedures and international interlaboratory comparison.
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