arched flange 中文意思是什麼
arched flange
解釋
弧形弦桿-
3 wheel rail rolling noise, which under 1000hz is caused by the rail s arched flange and above 1000 hz by wheel axle resonance, comprises the major part of the measured spectrum
( 3 )輪軌振滾噪音為噪音頻譜之最大值,其中1000hz以下為軌道下凸緣之拱形共振所引起, 1000hz以上為輪面之軸向共振所引起。
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