[PDF][PDF] Investigation of precision sound velocity measurement methods as reference for ultrasonic gas flow meters

P Norli, P Lunde, M Vestrheim - IEEE Ultrasonics …, 2005 - engineering.purdue.edu
Ultrasonic gas flow meters for volumetric flow rate fiscal metering of natural gas (USMs) may
possibly also be used for mass and energy flow rate measurement, partially based on …

3I-3 A Three-Way Pulse Method for a Precision Sound Velocity Measurement Cell

P Norli, P Lunde - 2006 IEEE Ultrasonics Symposium, 2006 - ieeexplore.ieee.org
Ultrasonic gas flow meters for volumetric flow rate fiscal metering of natural gas (USMs) may
possibly also be used for mass and energy flow rate measurement, partially based on sound …

[PDF][PDF] Precision sound velocity cell as reference for gas quality measurement in ultrasonic flow meters

P Lunde, P Norli, M Vestrheim… - Proceedings of the 30th … - researchgate.net
Measurement of the amount of oil and gas exported from one country to another, or
allocated between partners in a license, is made in fiscal metering stations. In 2004 the total …

[PDF][PDF] Noise reduction in ultrasonic gas flow measurement

K Warner, K Zanker - 4th International Symposium on Fluid Flow …, 1999 - lettonhall.com
Ultrasonic meters are becoming increasingly accepted for the custody transfer measurement
of natural gas. This is reflected in the most recent standards, regulations, and codes of …

Density and calorific value measurement in natural gas using ultrasonic flow meters

KE Frøysa, P Lunde - 2005 - osti.gov
Multipath ultrasonic transit time flow meters (USMs) are today extensively used by industry
for volumetric flow metering of natural gas, for fiscal measurement, check metering, etc. As …

[PDF][PDF] Precision sound velocity cell for natural gas at high pressures. Phase 1—feasibility study

P Lunde, M Vestrheim - … Research AS, Bergen, Norway, Tech. Rep …, 1998 - researchgate.net
A feasibility study has been conducted with the objective to work out a proposed method for
accurate and traceable measurement of the sound velocity in non-flowing natura! gases, in a …

A model-based transit-time ultrasonic gas flowrate measurement method

Y Jiang, B Wang, Z Huang, H Ji, H Li… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Based on the transit-time ultrasonic gas flowrate measurement principle, a new model-
based time-of-flight (TOF) measurement method is proposed. The proposed TOF …

[PDF][PDF] Speed of sound in gases at high pressure

KE Frøysa - Proc. of the 46th Scandinavian Symposium on Physical … - researchgate.net
In the process of exporting and selling natural gas from the large producers, it is usually
measured while flowing through large metering stations. Such stations typically include flow …

Speed of sound measurements in humid air using an ultrasonic flow meter

T Löfqvist, J Delsing, K Sokas - … Congress 2003: Metrology in the 3rd …, 2003 - diva-portal.org
This paper presents results from experiments using an ultrasonic gas flow meter measuring
the speed of sound in air at varying air velocities, humidities and temperatures. The meter …

A new method for researching the acoustic field of a gas ultrasonic flowmeter based on a Gaussian beam

D Zheng, SH Lv, Y Mao - Measurement Science and Technology, 2019 - iopscience.iop.org
Ultrasonic flowmeters are widely used in natural gas measurement. In order to achieve high
accuracy, it is crucial to research the acoustic field. Therefore, a new method, which has the …