Research On Noise Control Of Air-condition Systems In Civil Architecture

With the development of modern science & technology and people's standard of living,air-condition systems have been being applied to the civil architecture in our country more and more broadly. With the application of air-condition systems,it improves the microclimate in the conditioned rooms. It brings people comfortable environment with fitting temperature and humidity. Although air-condition systems in civil architecture bring people comfort in their life,work,recreation and some other activities,it also cause acoustics environment problems that can not be ignored. Besides,along with people's consciousness on health,environment etc,noise problems caused by air-condition systems will be more and more valued by people.This paper focus on air-condition systems in the civil architecture,analyze the noise source that exist in the air-condition systems roundly,and also make a simple explanation of the reason how some of the equipment produce noise. The method that are usually used to control noises in the air-condition systems of civil architecture are : noise elimination,sound absorption,sound insulation and vibration insulation. To different equipment,we should use different control methods. Usually, the combination of these noise control methods could reach a good effect. The noise control of air-condition systems in civil architectures is complicated. Meanwhile,the people engaged in the air-condition design don not know much about correlative acoustics knowledge and skills. So this paper expects to provide some necessary basic principles,design and control methods about air-condition system noise control for air-condition system designer.Besides,using the software Raynoise for sound field simulation to simulate the sound field of a pump room and check out the noise control effect.