Dabere na k-ε (k bụ turbulent kinetic ume, ε bụ turbulence dissipation ọnụego) ọgba aghara nlereanya, akwụkwọ a na-eji inlet uka eruba ọnụego na ntinye static mgbali dị ka ọnụọgụgụ ngụkọta oge ọnọdụ guzosie a numerical ịme anwansị nlereanya nke esịtidem eruba ubi nke. valvụ diaphragm. Achọpụtara izi ezi na nnwale. Na ndabere nke a, a na-eji ihe nlereanya ahụ nyochaa njirimara nke ime ime na nkesa ubi nrụgide nke valvụ ahụ n'okpuru ọnọdụ ntinye ntinye dị iche iche (2.787kg / s ruo 33.273kg / s), na ọnụ ọgụgụ ziri ezi nke ntinye ntinye na valve. e hiwere isi ọnwụ. njikọ. Nsonaazụ na-egosi na: 1) ịme anwansị ọnụọgụ nwere ike ịkọwapụta isi ọnwụ nke ahụ valvụ n'okpuru ọnọdụ mmiri dị iche iche. Mgbe ọnụego ntinye ntinye bụ 5.546kg/s, 11.091kg/s na 16.637kg/s n'otu n'otu, njehie ikwu n'etiti ule na ịme anwansị ọnụọgụ bụ naanị -6.433%, 4.619% na 7.264%. 2) N'okpuru ọnọdụ nke ntinye ntinye mgbe niile, site na ntinye aka na ntinye, nrụgide static na ọwa mmiri na-egosi n'ozuzu na-ebelata ọnọdụ. N'ime ahụ valvụ ahụ, ọwa mmiri na-agbapụta na-agbada n'ihi nkwụsị nke valvụ valvụ na mmiri ahụ na-adaba na diaphragm iji mee ka ntụgharị. Nnukwu gradient nrụgide static. 3) Mgbe mmiri na-agafe na ọwa dị warara na valvụ valvụ, a na-emepụta mpaghara cavitation doro anya na ala nke valvụ ahụ, na-esonyere ya na ihe ụfọdụ azụghachi azụ. Mpaghara cavitation dị n'okpuru mmiri valvụ ahụ na-apụtakarị na ngalaba mmiri 1/3 site na mpụta. , dị ka ntinye ntinye na-abawanye, vortex nke dị n'okpuru valvụ ahụ na-esiwanye ike na ihe na-emeghachi azụ na-aghọwanye ihe dị ịrịba ama, ma njedebe nke mpaghara azụ azụ anaghị abawanye nke ukwuu. 4) Dabere na nkwenye ziri ezi nke ihe nlereanya ahụ, a na-eji ihe nlereanya ahụ mee ihe iji nyochaa n'ihu n'ichepụta ihe nrịbama nke ime na nkesa nrụgide nke valvụ ahụ n'okpuru ọnọdụ ntinye ntinye 18, ma guzobe njikọ dị n'etiti ọnụ ọgụgụ ntinye ọnụ ọgụgụ Q na valvụ isi ọnwụ △ P , mgbe ntinye uka eruba Q sitere na 2.787kg / s ruo 15.428kg / s na nọmba Reynolds sitere na 37927 ruo 215984, nha nha dabara adaba bụ △P=2076.31Q-7567.49, R2=0.964; ntinye uka nke ntinye sitere na 17.141kg / s ruo 33.273kg / s, nha dabara adaba mgbe ọnụ ọgụgụ Reynolds sitere na 240097 ruo 467009 bụ △P = 5688.02Q-67317.39, R2 = 0.993, nke na-enye ntụnye aka nke hydrlic. nke netwọk ogbugba mmiri n'ubi.