![]() The present invention relates to a methane number calculation method and a methane number measurement device. 22, 2015, all applications are incorporated herein by reference. 11, 2016 which, in turn, claimed the priority of Japanese Patent Application No. This Application is a 371 of PCT/JP2016/057784 filed on Mar. The present invention includes: acquiring in advance a particular relational expression between the methane number and the basic calorific value of a plurality of types of reference gases, each formed of a natural gas and each having a different methane number value measuring the basic calorific value of a natural gas, which is a sample gas, as well as the concentration of the nitrogen gas and the concentration of the carbon dioxide gas, both gases being contained in the sample gas and calculating the methane number of the sample gas from the value of the basic calorific value of the sample gas, the value of the concentration of the nitrogen gas and the value of the concentration of the carbon dioxide gas, and the particular relational expression. =MethaneNumberMWM(Methane,Ethane,Propane,iButane,nButane,ipentane,npentane,Hexanes,Nitrogen,CarbonDioxide,Hydrogen,CarbonMonoxide,Butadiene,Butylene,Ethylene,Propylene,HydrogenSulphide) All the components are requested in Volume Percentĭistributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.The present invention has as its object the provision of a methane number calculation method that allows for readily acquiring a methane number of a natural gas, which is a sample gas to be measured, with acceptable reliability irrespective of toe gas composition, and as another object the provision of a methane number measurement device that is capable of monitoring the fuel property of a natural gas to be used as a fuel gas. The formula will have the following syntax. This algorithm is especially useful in mixtures with high Hydrogen content.(This is requested by some Engines Manufacturers) Good AVL MN correlation if you only use less than 5C- components and no inerts.Also, the impact of CarbonMonoxide, Butadiene, Butylene, Ethylene, Propylene are taken into account in this algorithm.This method manages components with less than 7C. While the AVL Method only consider components with less than 5C.Optimization performed with a very, very, simple stochastic pathfinding algorithm.Methane Number EN16726 Methane Number according to EN16726 with MWM corrections as a VBA Function for Excel. ![]()
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