Topic
Thermal mass flow meter
About: Thermal mass flow meter is a research topic. Over the lifetime, 1759 publications have been published within this topic receiving 21878 citations.
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Patent•
01 Dec 1977
TL;DR: In this article, a compact, highly versatile, modular solar energy collector is achieved through the employment of well distributed bypass flow components providing a bypass mass flow within a given range across a thin collector face, in conjunction with a low height, laminar interior flow having a predetermined proportionality to the bypass flow.
Abstract: A compact, highly versatile, modular solar energy collector is achievable through the employment of well distributed bypass flow components providing a bypass mass flow within a given range across a thin collector face, in conjunction with a low height, laminar interior flow having a predetermined proportionality to the bypass flow. A short flow path length along the collector together with the bypass flow relationship and other parameters permit high temperature differentials to be attained, accompanied by high efficiency. Further, the mass flow through the collector may be varied within a substantial range in response to changing insolation conditions while maintaining the bypass flow in an acceptable range by incorporation of a pressure drop having mass flow dependent characteristics in the principal flow path.
5 citations
Patent•
09 Feb 2007
TL;DR: In this paper, a gas flow meter for obtaining flow volume readings in a gas conduit, including sensors mounted upstream and downstream of a flow restriction device on a rotor, is presented.
Abstract: A gas flow meter for obtaining flow volume readings in a gas conduit, including sensors mounted upstream and downstream of a flow restriction device on a rotor, the rotor further including at least one more flow restriction device that can be rotated into position relative to the conduit.
5 citations
TL;DR: Low rate gas flow meter noting sealing and controlling of piston, differential pressure meter and DC servoamplifier was used in this article to measure low-rate gas flow rate.
Abstract: Low rate gas flow meter noting sealing and controlling of piston, differential pressure meter and DC servoamplifier
5 citations
Patent•
20 May 2008
TL;DR: In this paper, a thermal mass flow meter is used for determining material flow through a vessel, where a sensor arrangement comprises a first and a second measuring element, with one of the respective measuring elements being heated while the other respective measuring element is not heated and the two measuring elements can be heated alternately.
Abstract: A thermal mass flow meter is disclosed for determining a material flow through a vessel. In this case, a sensor arrangement is mounted on a holder immersed into a vessel with a flowing medium. It is proposed that the sensor arrangement comprises a first and a second measuring element, with one of the respective measuring elements being heated while the other respective measuring element is not heated and that the two measuring elements can be heated alternately.
5 citations