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Gustav Jönsson

Forskare

Tel
+46 10 516 51 53
Email
gustav.jonsson@ri.se
Location
Borås
ORCID
0000-0003-4385-4404
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Publications
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Project

Measurement of the latency of dynamic pressure sensors

The project was a part of the development of the shock tube which is our candidate primary standard for dynamic pressure calibration. Under the project we developed a robust method that provides traceable measurement of the latenc…
Project

New method for measurement of ultra-low liquid flows

The purpose of this completed project was to develop and verify a method for quantification of nanoflows in the liquid phase through measurements of the flow in the gas phase.
Project

Secondary system dynamic pressure

The project aims to enable the characterization of dynamic pressure sensors in a continuous frequency range from static pressure to hundreds of kilohertz by bridging the frequency gap between static pressure standards and shock tu…
Project

RMP-FoU Repeatable Shocks

To measure is to know. Dynamic pressures are measured in many processes including combustion of chemical and biological fuels. Yet, traceable metrology, and hence knowledge of the quality of measurement, is not established for dyn…
Story

Time – critical but vulnerable part of our total defence

Correct, accurate and traceable time is a prerequisite for our modern society and an important part of our total defense. Even so, we rely heavily on GPS signals to get accurate time — signals that can be easily disrupted.
Service

Fröken Ur

With ‘Fröken Ur,’ (Miss Time) you get the correct Swedish time read directly over the phone. You can reach 'Fröken Ur', from Sweden, at the phone number 90 510. It costs the same as a regular phone call.
Expertise

National Laboratory for Time and frequen

RISE is Sweden's NMI (National Metrology Institute) and, according to the Swedish constitution, is responsible for the fundamental measurement quantities in the International System of Units, SI.
Expertise

Position, Navigation and Time

Technology development in the society is progressing faster. Determination of position, navigation and time is part of daily life regardless of whether one buys a bus ticket, purchase food, communicates via mobile phone or navigat…
Publications
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