Experimental Validation of the HVAC Humming-type Noise and Vibration in Model and Vehicle System Levels

• Autorzy: Satar Mohd Hafiz Abdul , Mazlan Ahmad Zhafran Ahmad , Hamdan Muhd Hidayat , Isa Mohd Syazwan Md , Paiman Muhd Abdul Rahman , Ghapar Mohd Zukhairi Abd

Identyfikatory

DOI

10.24425/aoa.2021.136590

• Języki publikacji: EN

Abstrakty

EN

The presence of noises in the vehicle cabin is an annoyance phenomenon which is significantly affected by the heating, ventilation, and air conditioning (HVAC) system. There are very limited studies reported on the specific type of noise characterisation and validation for both model and vehicle system levels. The present study developed a model of HVAC system that reflects the operation as in real vehicle, and the investigation of the HVAC components were carried out individually to determine which component contributes to the humming-type noise and vibration. The study was conducted under two conditions; idle speed of engine (850 rpm) and operating condition (850-1400 rpm). A ixed blower speed and full-face setting were applied throughout the experimental process. Three different sensors were used for the experiment, which are: accelerometer, tachometer, and microphone. From the results, the compressor and AC pipe components have contributed the most in generating the noise and vibration for both the model and vehicle systems. The findings also highlight that the humming-type noise and vibration were produced in the same operating frequency of 300-400 Hz and 100-300 Hz for idle and operating conditions, respectively, and this result was validated for both model and vehicle system levels.

Słowa kluczowe

EN

humming noise; HVAC system; vibration; compressor; AC pipe

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2021
• Tom: Vol. 46, No. 2
• Strony: 375--385
• Opis fizyczny: Bibliogr. 47 poz., fot., rys., tab., wykr.

Twórcy

autor

Satar Mohd Hafiz Abdul

• The Vibration Lab, School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

autor

Mazlan Ahmad Zhafran Ahmad

• The Vibration Lab, School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

autor

Hamdan Muhd Hidayat

• The Vibration Lab, School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

autor

Isa Mohd Syazwan Md

• The Vibration Lab, School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

autor

Paiman Muhd Abdul Rahman

• Testing & Development, Vehicle Development & Engineering, Proton Holdings Berhad, 40000 Shah Alam, Selangor, Malaysia

autor

Ghapar Mohd Zukhairi Abd

• Testing & Development, Vehicle Development & Engineering, Proton Holdings Berhad, 40000 Shah Alam, Selangor, Malaysia

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