| 1. | Straightening vanes can be used where long straight ways are not possible .
在不可能安装较长的直管段情况下，可以来用导流叶片。 |
| 2. | Bring forward the strength conditions of the different pipe pars . confirm the stress checking computations ways of the line pipes and corner pipes
对于不同的管道部件提出了相应的强度条件，确定了直管段及转角管段的应力验算方法。 |
| 3. | The calculation of stagnation point position of straight pipeline section with both movable ends and l - type pipeline section with bend at one end and bellows type expansion joint at other end is discussed
摘要探讨了两侧为活动端的直管段及一侧活动端为弯头，而另一侧活动端为波纹管补偿器的水平转角管段驻点位置的计算。 |
| 4. | Abstract : this paper analyses axial effort between bend and adjacent straight pipe by integral calculation . in this paper it deduces the computing formula of axial effort ， which lays a foundation of stress analysis on bend
文摘:从弯管的受力分析入手,通过积分计算,分析了弯管与相邻直管段的轴向作用力,并推出了该轴向作用力的计算公式,为弯管的应力分析打下了基础。 |
| 5. | The straight section of secondary air duct for boiler of 600 mw supercritical unit manufactured by dongfang boiler factory is shorter , at the time the measurement of air flow is being carried out by adopting velocity - equalizing tube flowmeter , the required precision can ' t be reached
摘要东方锅炉厂制造的600mw超临界机组锅炉二次风道的直管段较短，采用均速管流量计进行风量测量时，达不道精度要求。 |
| 6. | The cell differential matrix equation is founded on the basis of mechanics analysis of the waterwall and superheater tubes . it is computed by the ansys fea software the effect on the heat and stress coupling field of some operation parameters , which is the theory guidance for accelerated lifetime tests and the accurate life evaluation
对水冷壁直管段和过热器弯管段进行力学分析，建立微分单元矩阵方程，应用ansys有限元分析软件定量分析温度、压力等参数对管道运行中热?应力耦合场的影响，验证了寿命评估的准确性。 |
| 7. | The analysis shows that : ( 1 ) straight pe pipe ' s current ability is 15 % - 21 % higher than steel pipe on same inner pathway basis . but it ' s another story based on same outer diameter . we must displace the steel pipe with pe pipe with careful calculation
聚乙烯燃气管道工程技术特点的分析表明： ( 1 )同等内径下直管段聚乙烯管比钢管流通能力大15至21左右，但同等外径下聚乙烯管的流通能力不一定比钢管大，需要计算确定，不能盲目以相同外径的聚乙烯管匹配钢管。 |
| 8. | Since the current air flow measurement method for short and straight sections of large ducts can not meet the accuracy requirement of the engineering project , a feasible and practical measurement method is put forward based on measurement of outlet air flow of the 300 mw boiler draft fan in jiaxing power generation co . , ltd
在短直管段大型风道上采用现有的常规测量方法，测量精度很难满足工程要求，根据嘉兴发电有限责任公司对300mw锅炉送风机出口风量测量方法的研究，提出一种切实可行的测量方法。 |
