棰�(f膿ng)姗�(j墨)鐩�(p谩n)绠�鐨勯�熷害n鍙互閫氶亷(gu貌)杞�(zhu菐n)閫熻▓(j矛)鐩存帴娓�(c猫)閲�锛屽叾鍊肩敱姣忓垎閻樿綁(zhu菐n)鏁�(sh霉)锛�RPM锛夎〃绀�銆傚皬棰�(f膿ng)鎵囩殑閫熷害閫氬父杓冮珮锛岄�氬父鐩存帴鑸囬浕鍕�(d貌ng)姗�(j墨)閫ｆ帴銆傚ぇ棰�(f膿ng)鎵囩殑閫熷害杓冧綆銆傞�氬父锛屽畠閫氶亷(gu貌)鐨付椹�(q奴)鍕�(d貌ng)鍣ㄨ垏闆诲嫊(d貌ng)姗�(j墨)閫ｆ帴?锛熸ⅱ閰濄劅^(gu貌)鏀硅畩鐨付杓殑鐩村緫渚�(l谩i)瑾�(di脿o)绡�(ji茅)棰�(f膿ng)鎵囩殑閫熷害銆傞�ｆ帴濡備笅锛�
N1 / N2 = D2 / D1锛屽叾涓細
N1锛�N2-棰�(f膿ng)鎵�;棣仈(d谩)杞�(zhu菐n)閫�
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鏀硅畩閫熷害鏅�(sh铆)锛岄ⅷ(f膿ng)鎵囩殑鐗规�у弮鏁�(sh霉)Q锛�h鍜�N鍙互瑷�(j矛)绠楀涓嬶細
Q / Q` = n / n`
H / h`=锛�n / N`锛�2
N / N`=锛�n / N`锛�3
寰炰笂闈㈠彲浠ョ湅鍑猴紝濡傛灉棰�(f膿ng)姗�(j墨)鐩�(p谩n)绠＄殑杞�(zhu菐n)閫�?g貌u)?span>n
璁�?y艒u)?span>n藠锛屽墖棰�(f膿ng)姗�(j墨)棰�(f膿ng)閲忕殑璁婂寲鑸囪綁(zhu菐n)閫熸瘮鐨勪竴闅庡姛鐜囨垚姝ｆ瘮锛涙埃澹撶殑璁婂寲鑸囪綁(zhu菐n)閫熺殑浜屾鏂规垚姝ｆ瘮銆傚姛鐜囩殑璁婂寲鑸囪綁(zhu菐n)閫熸瘮鐨勪笁娆℃柟鎴愭姣斻��鍥犳锛屽湪澧炲姞棰�(f膿ng)鎵囪綁(zhu菐n)閫熸檪(sh铆)锛屾湁蹇呰寰為牠闁�(k膩i)濮嬫鏌ユ墍闇�鍔熺巼锛屽苟娉ㄦ剰鍘熼厤鐨勯浕鍕�(d貌ng)姗�(j墨)鏄惁鏈�(hu矛)閬�(gu貌)杓�銆�
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