当前位置: 首页 > 文章 > 三叶罗茨鼓风机宽凸台渐开线叶型设计 湖南农业大学学报(自然科学版) 2002,28 (2) 80-81
Position: Home > Articles > Profile Design of Wide Double Wedge Involute Rotor for Three Lobe Roots Blower Journal of Hunan Agricultural University(Natural Sciences) 2002,28 (2) 80-81

三叶罗茨鼓风机宽凸台渐开线叶型设计

作  者:
张伟初;吴明亮;李新华;唐贇
单  位:
湖南农业大学工程技术学院;娄底市农机研究所;长沙鼓风机厂有限责任公司
关键词:
罗茨鼓风机;三叶;宽凸台;渐开线
摘  要:
为克服二叶罗茨鼓风机噪音较大 ,密封性能较差 ,容积效率不理想等弱点 ,试用宽凸台渐开线叶型设计 ,以提高面积利用系数、降低功耗和噪音 .通过对宽凸台圆弧、短幅外摆线、渐开线、长幅外摆线及相关的圆弧线等型线的合理配置而组成三叶罗茨鼓风机叶轮型线 .并给出了该叶型型线的设计公式 .宽凸台圆弧 :x=Rmcos(φ4 +π/6 ) ,y=Rmsin(φ4 +π/6 ) ;短幅外摆线 :x=Acos(γ-τ) - Ri cos(γ- 2τ) ,y=Asin(γ-τ) - Ri sin(γ- 2τ) ;渐开线 :x =R0[cos(θ- π/3- invαp) +θsin(θ- π/3- invαp) ],y=R0 [θcos(θ- π/3- invαp) - sin(θ- π/3- invαp) ];长幅外摆线 :x=Acos(π/2 - φ1 +τ) - Rmcos(π/2 - φ1 +2 τ) ,y=Asin(π/2 - φ1 +τ) - Rmsin(π/2 - φ1 +2 τ) ;谷部圆弧 :x=(A- Rm)sinφ1 ,y=(A- Rm) cosφ1 .试验证明不仅改善了密封性能 ,而且提高了面积利用系数 ,降低了功耗和噪音
译  名:
Profile Design of Wide Double Wedge Involute Rotor for Three Lobe Roots Blower
作  者:
ZHANG Wei chu 1,WU Ming liang 2,LI Xin hua 1,TANG Yun 3 (1.Changsha Blower Borks Co.Ltd,Changsha 410004,PRC;2 College of Engineering and Technology,HNAU,Changsha 410128,PRC;3.Loudi Agricultural Mechine Academic,Loudi 417000,PRC)
关键词:
roots blower;three lobe; wide double wedge; involute
摘  要:
In this text,analysize the keys designing of the wide double wedge involve rotor for three blower roots blower are advance Lang measure modulus and reduce power waste and noise. To solve the problems of loud noise,low airproof,low volumetric flow rate of the TWO Lobe Roots Blower,a Three Lobe Roots Blower was designed by making full use of the advantage of the wide double wedge arc,short breadth cycloid,involute,long breadth cycloid and corrective arc, ect. The formulas for the root are provided the wide double wedge arc: x=R m cos( φ 4+π/6), y=R m sin( φ 4+π/6); short breadth cycloid: x=A cos( γ-τ )- R i cos( γ -2 τ ), y=A sin( γ -τ)- R i sin( γ-2τ ); involute: x= R 0 [cos( θ -π/3-inv α p )+ θ sin( θ -π/3-inv α p )], y= R 0[θ cos( θ -π/3-inv α p )-sin( θ -π/3-inv α p )]; long breadth cycloid: x=A cos(π/2- φ 1+τ )- R m cos(π/2- φ 1 +2 τ ), y=A sin(π/2- φ 1+τ )- R m sin(π/2- φ 1 +2 τ ); arc: x=(A-R m )sin φ 1 ,y =( A-R m )cos φ 1 .The functions are improved.

相似文章

计量
文章访问数: 6
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊