Diagnosis of three types damages to the ventilation system

• Autorzy: Voznyak Orest , Spodyniuk Nadiia , Sukholova Iryna , Savchenko Olena , Kasynets Mariana , Datsko Oleksandra

Identyfikatory

DOI

10.29354/diag/145500

• Języki publikacji: EN

Abstrakty

EN

The article is devoted to solving of urgent problem to eliminate damage in ventilation system. That is caused by non-adequate long range, stagnant unventilated areas in the room existance and high noise level in the premises at air distribution by swirled air flow, compact air jet, flat air stream and rectangular air jet. A noise level of air supply with swirled air flow, compact air jet, flat air jet and rectangular air stream in the room has been investigated. It is shown that in order to achieve the maximum noise level decreasing it is necessary to ensure its supply by jets, which less intensively attenuate before entering the premise working area. Results of the experimental research are presented as graphical and analytical dependences. The acoustic properties of the swirled air flow, compact air jet, flat air stream and rectangular air jet have been investigated and means of situation improving have been determined. The results of experimental research of air supply to the room are presented. It is established that with the increase of the angle of swirling plates inclination and ratio of the slit sides the air jets noise level decreases.

Słowa kluczowe

EN

air distribution; air velocity; swirled air jet; compact air jet; flat air jet

PL

dystrybucja powietrza; prędkość powietrza; system wentylacyjny; diagnostyka

• Wydawca: Polskie Towarzystwo Diagnostyki Technicznej
• Czasopismo: Diagnostyka
• Rocznik: 2022
• Tom: Vol. 23, No. 1
• Strony: art. no. 2022102
• Opis fizyczny: Bibliogr. 41 poz., rys., tab.

Twórcy

autor

Voznyak Orest

• Lviv Polytechnic National University, Department of Heat and Gas Supply and Ventilation St. Bandery, 12, 79013, Lviv - 13, Ukraine

autor

Spodyniuk Nadiia

• National University of Life and Environmental Sciences of Ukraine, Department of Heat and Power Engineering, Heroyiv Oborony Str., 12, 03041, Kyiv, Ukraine

autor

Sukholova Iryna

• Lviv Polytechnic National University, Department of Heat and Gas Supply and Ventilation St. Bandery, 12, 79013, Lviv - 13, Ukraine

autor

Savchenko Olena

• Lviv Polytechnic National University, Department of Heat and Gas Supply and Ventilation St. Bandery, 12, 79013, Lviv - 13, Ukraine

autor

Kasynets Mariana

• Lviv Polytechnic National University, Department of Heat and Gas Supply and Ventilation St. Bandery, 12, 79013, Lviv - 13, Ukraine

autor

Datsko Oleksandra

• Lviv Polytechnic National University, Department of Civil Safety St. Bandery, 12, 79013, Lviv - 13, Ukraine

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).