Hans van Maanen | Fleming

Hans van Maanen

Senior Consultant Multi-Phase Measurement
Hint Europe B.V.
Dr. Hans R.E. van Maanen was born in Arnhem, Netherlands where he attended primary and high school. After finishing his high school education, he started working at the Shell laboratories in Amsterdam. As it was clear to him that he would need more education, he studied at the University of Amsterdam in the evening hours, from which he received his B.Sc. and M.Sc. in Physics with Mathematics, Information Science and Chemistry, both with honours.

At the Shell laboratories, he worked on flow measurement techniques, fluid mechanics, chemical engineering and turbulence, resulting in several publications. Then he worked on the application of small computers in experiments and the related data-processing. He applied his experiences to the dataprocessing of Laser-Doppler Anemometry data, which he laid down in his Ph.D.-thesis for the Delft University of Technology.

In 1997, he moved to the Shell laboratory in Rijswijk (Netherlands) and worked on multi-phase flow rate measurement in the upstream sector of the oil and gas industry. He was heavily involved in wet-gas measurement, for which he extended the work of Rick de Leeuw and others for horizontal Venturis. This resulted in a mathematical model for the multi-phase wet-gas flow in Venturis. After leaving Shell in 2010, he became an independent consultant for Hint Europe and in that position he extended his modelling to vertical upward Venturis. He presented his work on many different conferences and published numerous papers.

His hobbies are listening to music (mostly classical), developing high-end audio systems and riding a motorcycle in a touristic way.

Events/Masterclasses Hans van Maanen is currently speaking at


Measurement of LNG Flows
29 - 30 November 2022
Online Live Stream | 13:45 CEST – 18:00 CEST | 07:45 EDT – 12:00 EDT
During the training, the participants will be introduced to the different problems and issues, how these can be handled in the best way, and the related uncertainties.


Uncertainty Calculations & Monte Carlo Simulations
19 - 21 April 2022
Online Live Stream | 8:45 CET – 13:00 CET | 21 April - 07:45 CET - 11:30 CET
This course covers the propagation of measurement uncertainty using the methods outlined in the JCGM Guide to the Expression of Uncertainty in Measurement from a statistical perspective.


Wet-Gas Flow Measurement
14 - 16 March 2022
Online Live Stream | 8:45 – 13:00 CET
Join the Wet Gas Flow Measurement online live training led by Dr. Hans R.E. van Maanen to understand the physical mechanisms of how liquids effect the gas flow rate measurement.

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