Wszystkie pola: Dmytriv, V. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modelirovanie vremeni istechenija vozdukha iz ogranichennogo prostranstva
Design of time of expiration of air from a limit space
Autorzy:: Dmytriv, V.
Dmytriv, I.
Powiązania:: https://bibliotekanauki.pl/articles/76938.pdf
Data publikacji:: 2013
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: milking
vehicle
expiration air flow
speed coefficient
mechanical energy
mathematical modelling
Opis:: Analytical dependences are resulted for the design of process of pumping out of air from the chambers of variable vacuum gauge pressure of the system pul'sator-milking glass taking into account the law of economy of mass for gas in a subcontrol volume through equalization of mechanical energy of portage of air. Time of pumping out of air is expected in a milking vehicle to nominal vacuum gauge pressure.
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 4
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Experimental studies of duration of air pumping out from the "TEAT CUP - PULSATOR" system
Autorzy:: Adamchuk, V.
Dmytriv, V.
Dmytriv, I.
Powiązania:: https://bibliotekanauki.pl/articles/411277.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:: milking unit
pulsator
vacuum-gauge pressure
pumping duration
isolines
Opis:: The article analyzes the results of experimental studies of duration of air pumping out from chambers of the variable vacuum-gauge pressure in the "teat cup - pulsator"system. The study of impact of structurally-technological parameters of milking units on the process of milk ejection and time characteristics of the operating mode was analyzed. The methods of conducting experimental studies of transitive time characteristics of pulsator operating modes based on differentiated study of transitive processes by high-frequency scanning of vacuum-gauge pressure changes while pumping air out from the "teat cup-pulsator" system are given. Results of the study of impact of vacuum pressure and the overflow hole diameter on the duration of air pumping out from chambers of the variable vacuum-gauge pressure system are provided. Results of experimental data are compared with theoretical ones. The analysis of results of experimental studies showed that the pulsator overflow hole diameter has the greatest effect on the duration of air pumping. By reducing the diameter, the duration of air pumping increases nonlinearly. Due to results of comparison of theoretical and experimental studies it was found the deviation of experimental data from the theoretical modeling of the duration of air pumping out from chambers of the variable vacuum-gauge pressure in the"teat cup - pulsator"system. The coefficient of coordination of theoretical dependencies on experimental data to calculate the duration of air pumping was calculated. The analysis of the obtained dependencies of the duration of air pumping out from the system "teat cup - pulsator"system allowed to recommend the most rational options of the pneumatic and electromagnetic pulsator, provided that it will be provision of the mode of smooth shockless opening of milking cup teat rubber at 48 kPa vacuum pressure and the volume of variable vacuum-gauge pressure chambers of the system "teat cup - pulsator" 10-4 m3.
Źródło:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2015, 4, 4; 3-6
2084-5715
Pojawia się w:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:: Biblioteka Nauki

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