자동차 도어 트림 전면 패드가 스피커에 의한 가진시 승차감에 미치는 영향 연구 = A Study on the Ride Quality with a Door trim Entire Pad using Car Door Speaker Sound

다국어 초록 (Multilingual Abstract)

The abroad advance of a domestic car increased and A domestic car export is increasing in America market. The sale of the car have been commanded greatly owing to J.D. Power and Associates conducted independent surveys of customer satisfaction A domestic car is true satisfying result in IQS. A Vibration of Doortrim was increased by the speaker compared with former time. The relation is determined with the Door module of the car to the reason. The car to be produced recently is closed completely the outside pannel with the inside pannel of the door because of Sealed module preventing of rainwater and improving of aucoustic. furtermore, An Ansorption pad for door trim exised between insied and outsied was unnecessary. but, by reason of terrivle vibration of the door speaker, We analyzed a vibration problem which brings Sealed Module that has the problem common We analyzed whether the trim-pad covered the whole inside of the doortrim gave the vibration any influence.

목차 (Table of Contents)

• Abstract
• 1. 서론
• 2. SEALED MODULE과 NVH의 관계
• 3-1. DOOR TRIM의 흡음 패드의 흡음성
• 3-2. DOOR TRIM의 패드의 내진성
• 4-1. SEALED MODULE이 진동에 미치는 영향
• 4-2. DoorTrim의 전면패드가 진동에 미치는 영향
• 5. 결론
• References