helmholtz resonance 中文意思是什麼
helmholtz resonance
解釋
黑爾姆霍爾茲共振-
It is a new heat transfer enhancement method to apply helmholtz resonance chamber to convective heat transfer in a pipe
將helmholtz共振腔應用於換熱器來增強換熱是一種新的強化換熱方法。 -
The exhaust noise contains complex noise elements, including the exhaust noise with a base frequency measured in the number of exhausts in unit time, the resonance noise of the gas column in the pipe, the gas stream blowing noise at the exhaust manifold, the exhaust gas jetting and impact noise, the helmholtz resonance noise of the cylinder, the karman eddy noise and the turbulent noise inside the exhaust system
排氣噪聲包含了復雜的噪聲成分：以單位時間內排氣次數為基頻的排氣噪聲、管道內氣柱共振噪聲、排氣歧管處的氣流吹氣噪聲、廢氣噴注和沖擊噪聲、汽缸的亥姆霍茲共振噪聲、卡門渦流噪聲及排氣系統內部的湍流噪聲等。 -
Self - oscillation initiated by helmholtz resonance chamber with different configuration under different waterpower parameters is introduced in the paper. the influence on the heat transfer enhancement of the heat exchanger by applying resonance chamber is discussed in detail
本文介紹了不同結構的helmholtz共振腔在不同的水力參數下產生的自激振蕩情況，以及將自激振蕩應用於換熱器上對強化換熱的影響。 -
This paper has presented the situation of intake silencer research and application and expounded the intake noise engendering cause and the basic theory on controlling the intake noise. then a research established in the accurate determination of resonance frequencies of different kind of helmholtz resonators is done. according to different assumptions, four kind of mathematical models are established, and the relations between them are discussed
本文介紹了進氣消聲器研究與應用的現狀與發展，闡述了進氣噪聲產生機理及控制的基本理論，研究了helmholtz共振型進氣消聲器的原理，立足於helmholtz共振型進氣消聲器的共振頻率的準確確定，建立了兩類四種共振腔模型，並討論了它們之間的相互推演關系。
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