Aeroacoustical study of the serrated ventilation dampers

• Autorzy: Kopania Joanna Maria , Bogusławski Grzegorz , Wójciak Kamil , Gaj Patryk

Identyfikatory

DOI

10.21008/j.0860-6897.2022.3.13

• Języki publikacji: EN

Abstrakty

EN

The serrated ventilation dampers for regulation of airflow volume were tested. The computer fluid flow analysis was conducted using the Comsol program. The nature of the flow through the serrated ventilation damper was analyzed to identify the different turbulence regions formed on the airflow field. Additionally, the aerodynamical and acoustical parameters of these blades of ventilation dampers with different serrated trailing and/or leading-edge were studied. The aeroacoustic studies were done in the reverberation room. The sound power level and loss coefficient were determined for the studied models.

Słowa kluczowe

EN

aeroacoustics; ventilation; plane damper; serrated edge

PL

aeroakustyka; wentylacja; przepustnica jednopłaszczyznowa; krawędź ząbkowana

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2022
• Tom: Vol. 33, nr 3
• Strony: art. no. 2022313
• Opis fizyczny: Bibliogr. 12 poz., il. kolor., rys., wykr.

Twórcy

autor

Kopania Joanna Maria

• Lodz University of Technology, Żeromskiego 116, 90-924 Lodz, Poland

• https://orcid.org/0000-0001-9162-6479

autor

Bogusławski Grzegorz

• Lodz University of Technology, Żeromskiego 116, 90-924 Lodz, Poland

• https://orcid.org/0000-0001-7501-2573

autor

Wójciak Kamil

• Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland

• https://orcid.org/0000-0002-3672-1788

autor

Gaj Patryk

• Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland

• https://orcid.org/0000-0001-6436-3466

Bibliografia

• 1. R. Liu, J. Wen, M.S. Waring; Improving airflow measurement accuracy in VAV terminal units using low conditioners; Building and Environment 2014, 71, 81-94.
• 2. C. E. Kiper; Desing, construction and performance evaluations of a constant air volume device for HVAC systems; MSc Thesis, Graduate School of Natural and Applied Sciences of Middle East Technical University, Ankara, Turkey, 2018.
• 3. D. Dickerhoff, J. Stein; Stability and accuracy of VAV terminal units at low flows. Application Assessment Report; Pacific Gas and Electric Company, San Carlos, USA, 2016.
• 4. American Society of Heating, Refrigerating and Air-Conditioning Engineers; Sound and Vibration Control; In: ASHRAE Handbook - HVAC Applications (SI); American Society of Heating, Refrigerating and Air-Conditioning Engineers: Atlanta, USA, 2011.
• 5. American Society of Heating, Refrigerating and Air-Conditioning Engineers; ASHRAE Handbook - HVAC Applications (SI); American Society of Heating, Refrigerating and Air-Conditioning Engineers: Atlanta, USA, 2007.
• 6. European Parliament and the Council; Directive on the energy performance of buildings; European Parliament and the Council: Brussels, Belgium, 2010.
• 7. European Parliament and the Council; Ecodesign Directive 1253/2014; European Parliament and the Council: Brussels, Belgium, 2014.
• 8. ISO 5135:2020 Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room.
• 9. Comsol - Software for Multiphysics Simulation
• 10. J. Pfitzner; Poiseuille and his law; Anaesthesia 1976, 31(2), 273-275. DOI: 10.1111/j.1365-2044.1976.tb11804.x
• 11. PN EN ISO 1751 Ventilation for buildings - air terminal devices - aerodynamic testing of damper and valves.
• 12. PN-EN ISO 3741:2011 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms.

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).