Design Principles of Horizontal Drum Machines with Low Vibration

• Autorzy: Drach Ilona , Goroshko Andrii , Dwornicka Renata

Identyfikatory

DOI

10.12913/22998624/136441

• Języki publikacji: EN

Abstrakty

EN

Using the example of washing machines using the linear theory of vibrations, the dynamics of horizontal rotary drum machines is investigated and the basic requirements for their layout are formulated to reduce vibration activity. The mathematical equations of vibrations of the multiply connected system tub-drum on elastic suspensions are compiled for main types of washing machines and centrifuges with horizontal axis of rotation. The problem is solved in a linear setting based on the Lagrange equation of the second kind. The accuracy and adequacy of the mathematical model was tested directly on a full-scale object by measuring noise, vibrations, support forces and stress distribution in individual elements and units of the washing machine in the entire range of drum rotation frequencies. Investigations of the nature of system vibrations depending on changes in the position and attachment points of elastic and damping elements were carried out using simulation in the Simulink environment. As a result of the research, the basic requirements for the layout of horizontal rotary drum machines were experimentally confirmed. Experimental verification was carried out to confirm the results obtained. It has been experimentally proven that the improvement of the experimental setup to reduce its vibration activity increases the efficiency of using direct-acting liquid autobalancers.

Słowa kluczowe

EN

stiffness; imbalance; rotary drum machine; washing machine; vibration activity; self-balancing device

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2021
• Tom: Vol. 15, no 2
• Strony: 258--268
• Opis fizyczny: Bibliogr. 15 poz., fig., tab.

Twórcy

autor

Drach Ilona

• Software Engineering Department, Khmelnytskyi National University, 11 Institutska st, Khmelnitskyi, 29016, Ukraine

• https://orcid.org/0000-0003-0590-9814

autor

Goroshko Andrii

• Physics and Electrical Engineering Department, Khmelnytskyi National University, 11 Institutska st, Khmelnitskyi, 29016, Ukraine

• https://orcid.org/0000-0002-1386-2326

autor

Dwornicka Renata

• Department of Applied Computer Science, Faculty of Mechanical Engineering, Cracow University of Technology, 37 Jana Pawla II, 31-864 Krakow, Poland

• https://orcid.org/0000-0002-2979-1614

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).