Rusu, L.Popovici, A.2019-01-222019-01-222009Rusu L. Suggestions on proper circular frequencies establishing for the sucker rod pumping units / L. Rusu, A. Popovici // Високі технології в машинобудуванні = High technologies of machine-building : зб. наук. пр. – Харків : НТУ "ХПІ", 2009. – Вип. 1 (18). – С. 184-188.https://repository.kpi.kharkov.ua/handle/KhPI-Press/39266There are comparatively analysed many methods of determining the fundamental circular frequency of a column of sucker rods with sectioned geometry, for a rod pumping unit and there are given utilisations recommendations.enproper circular frequenciesrod pumping unitsArticle