Influence of the Inter Teeth Volumes on the Noise Generation in External Gear Pumps

• Autorzy: Fiebig W.

Identyfikatory

DOI

10.2478/aoa-2014-0030

• Języki publikacji: EN

Abstrakty

EN

The paper shows the new method for noise reduction in external gear pumps based on the analysis of the pressure in inter teeth volumes. The simulation model and measurement results of pressure changes in the inter teeth volume has been presented. Based on simulation results an additional volume has been obtained, which is connected to the inter teeth volume (decompression filter volume). Due this additional volume the build down processes in the pump are longer and the pressure overdue in the inter teeth volumes are smaller. This leads to the reduction of the dynamical excitation forces inside the pump and noise, especially in the higher frequency range I.

Słowa kluczowe

EN

gear pumps; noise reduction; simulation; inter teeth volume

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2014
• Tom: Vol. 39, No. 2
• Strony: 261--266
• Opis fizyczny: Bibliogr. 5 poz., fot., rys., wykr.

Twórcy

autor

Fiebig W.

• Institute of Machine Design, Wrocław University of Technology Łukasiewicza 7/9, 51-370 Wrocław, Poland

Bibliografia

• 1. Casoli P., Vacca A., Franzoli G. (2005), A numerical model for the simulation of external gear pump, Proc.of 6 th JFPS Int. Symposium on Fluid Power, TSKUBA,
• 2. Eaton M., Keogh P.S., Edge K.A. (2006), The modelling, prediction and experimental evaluation of gear pump meshing pressures with particular reference to aero-engine fuel pumps, Proc. I. MechE, Vol 220, Part I: Systems and control Engineering.
• 3. Fiebig W. (1997), Schwingungs-und Geraeuschverhalten der Verdraenger-pumpen und hydraulischen Systeme, Habilitationsschrift, University of Stuttgart, Germany, 2000, Oelhydraulik+Pneumatik O+P, No. 5 and 8.
• 4. Manring N., Kasaragadda S. (2003), The theoretical flow ripple of an external gear pump, Trans. of ASME, Vol. 125.
• 5. Zadrin B., Paltrineieri F., Borghi M., Milani M. (2004), About the prediction of pressure variation in the interteeth volumes of external gear pumps, 3rd FPNI-PhD Symposium on Fluid Power, Spain, June.