Arbitrary flange connection with metal seal,which has one or more wedge-shaped edges in its construction,is estimated in the article irrespectively of construction of flange connection and its parts.Raised question is...Arbitrary flange connection with metal seal,which has one or more wedge-shaped edges in its construction,is estimated in the article irrespectively of construction of flange connection and its parts.Raised question is about obtaining a method for choosing the optimal wedge angle according to the criterion of minimal leak of the sealed substance through the contact of the wedge-shaped edge of the seal with the flange.The scientific problem is solved by means of derivation and exploration of the permeability function of the contact of the wedge-shaped edge of the seal with the flange a function,showing the dependence of the leak of the sealed substance in conditional flow units on the angle of the wedge-shaped edge.Results of the research make it possible to increase the tightness of flange connections,mentioned before,without increasing of tightening force,and,as a result,without increasing of the mass of flange connection,and this is especially important in modern flying vehicles.展开更多
文摘Arbitrary flange connection with metal seal,which has one or more wedge-shaped edges in its construction,is estimated in the article irrespectively of construction of flange connection and its parts.Raised question is about obtaining a method for choosing the optimal wedge angle according to the criterion of minimal leak of the sealed substance through the contact of the wedge-shaped edge of the seal with the flange.The scientific problem is solved by means of derivation and exploration of the permeability function of the contact of the wedge-shaped edge of the seal with the flange a function,showing the dependence of the leak of the sealed substance in conditional flow units on the angle of the wedge-shaped edge.Results of the research make it possible to increase the tightness of flange connections,mentioned before,without increasing of tightening force,and,as a result,without increasing of the mass of flange connection,and this is especially important in modern flying vehicles.