公开(公告)号：WO2004036209A1

公开(公告)日：2004-04-29

申请号：PCT/EP2003/011565

申请日：2003-10-17

Applicant: EMERSON ELECTRIC CO. ,  BREKELMANS, Kees, C., J., M., N. ,  VAN RIJSWIJK, Jan, Willem, J., W.

Inventor： BREKELMANS, Kees, C., J., M., N. ,  VAN RIJSWIJK, Jan, Willem, J., W.

IPC: G01N33/22

CPC classification number: G01N25/005 ,  G01F1/6847 ,  G01N33/225

Abstract: The invention relates to a device and methods for the characterisation of a flowing substance, liquid or gas. Particular embodiments of the invention relates to the use of the device for the identification of a flowing substance, for controlling the flow of a fuel or combustion gas to deliver a controlled heat of combustion and for measuring the heat capacity of a gas. Further embodiments of the invention relate to a flow control device for controlling the flow rate of a flowing substance and a method for the combustion of a fuel or combustion gas. The device for the characterisation of a flowing substance comprises: a transport duct on which is mounted a heating or a cooling element; a temperature difference sensor comprising a first temperature measurement cell downstream of the heating or cooling element and means to determine a temperature difference in the flowing substance upstream and downstream of the heating or cooling element; flow control means comprising flow measurement means for measuring a mass flow characteristic and flow correction means for correcting for measured mass flow variations; and evaluation means for evaluating a characterising feature of the flowing substance comprising a function relating temperature differences measured on one or more calibration substances to one or more characterising features of the flowing substance. The device is relatively simple and cheap and gives a quick but accurate and reliable characterisation of a flowing substance, gas or liquid, that can be used in a flow control device to control the flow rate of unknown substances.

Abstract translation: 本发明涉及用于表征流动物质，液体或气体的装置和方法。 本发明的具体实施方案涉及该装置用于识别流动物质的用途，用于控制燃料或燃烧气体的流动以输送受控的燃烧热并用于测量气体的热容量。 本发明的另外的实施例涉及一种用于控制流动物质的流量的流量控制装置和用于燃烧或燃烧气体的燃烧的方法。 用于表征流动物质的装置包括：运输管道，其上安装有加热或冷却元件; 温度差传感器，包括在所述加热或冷却元件下游的第一温度测量单元和用于确定所述加热或冷却元件上游和下游的流动物质的温度差的装置; 流量控制装置包括用于测量质量流量特性的流量测量装置和用于校正测量的质量流量变化的流量校正装置; 以及用于评价流动物质的特征特征的评估装置，包括将在一个或多个校准物质上测量的温度差与功能物质的一个或多个特征特征相关联的功能。 该装置相对简单和便宜，并且可以快速但准确和可靠地表征流动物质，气体或液体，其可用于流量控制装置中以控制未知物质的流速。