id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-2915	Popov, Vyacheslav; Kashelkin, V.V.; Demidov, A.S.	Assessment of the strength reliability of high-temperature heat exchangers with long service life at the design stage	2020	9	.pdf	application/pdf	3260	142	54	On the contrary, in order to obtain a more conservative result, it is necessary to obtain the minimum and maximum value of the calculated stresses for the model under study in order to determine the calculation error “relative to oneself” for further calculation of the values necessary for assessing reliability F and  F necessary for assessing reliability. [6], from where               2 22 2 R F R FR F (10) where R and  F are the object of the investigation - are the coefficients of variation of the random variables R and F; Ψ - the mathematical expectation of a random variable, in this case, the meaning of the mathematical expectation difference  Ψ R F .	cache/fis-2915.pdf	txt/fis-2915.txt