Honeywell International Inc.

Bradley Robert Visser

Christian Lampe-Juergens

Tobias Meimberg

Ralf Schroeder Genannt Berghegger

Guido Temme

Andreas Kempe

Florian Severin Krischker

A method includes receiving a gas or gas mixture through a flow sensor. A flow velocity, volumetric, or mass flow are determined. The method also includes determining a sound velocity of the gas or gas mixture by an ultrasonic sensor. A density of the gas or gas mixture is correlated from the sound velocity. The method also includes positioning a microthermal sensor in an area with less flow or no flow of the gas or gas mixture. A thermal conductivity and thermal diffusivity of the gas or gas mixture at the one or more temperatures is determined. The method also includes connecting a processor to the microthermal sensor to calculate an energy of the gas or gas mixture based on a calorific value, the temperature and the volume or mass flow. Specific quantities for gas quality are correlated.

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Aargau, Switzerland

Bradley Robert Visser