| 1. | Smooth pipe surfaces which be capable to avoid breeding grounds for bacteria , fungi and viruses
管道的表面光滑可防止细菌，真菌和病毒的滋生 |
| 2. | Pipes and fittings of thermoplastic materials with profiled wall and smooth pipe inside - part 1 : dimensions
异型外壁和光滑管内壁热塑性材料管和配件.第1部分:尺 |
| 3. | The velocity and pressure data bank of smooth pipe at low reynolds number has been set up for further investigation
为今后对圆管湍流的进一步研究提供了一定的条件。 |
| 4. | Pipes and fittings of thermoplastics materials with profiled wall and smooth pipe inside - part 2 : technical delivery specifications
异型外壁和光滑管内壁热塑性材料管和配件.第2部分:技 |
| 5. | The objective of present work is to explore the fully developed turbulent flow in a cylindrical smooth pipe by means of direct numerical simulation
本文采用直接数值模拟的方法对光滑圆管充分发展湍流进行了研究。 |
| 6. | Refer to some application examples of inner trachea tubular air pre - heater in power plants it is a good replacement pipe of the old smooth pipe
所以，在用内螺纹管代替光管进行管式空预器的设计时，需要进行全面的核算。 |
| 7. | It works in the field where the temperature of gas is lowest of all components that be heated in the boiler . in general , air pre - heater is made of smooth pipes
锅炉设备中的低温段管式空气预热器位于锅炉烟气温度比较低的区域，它的管子通常采用光管构成。 |
| 8. | The type of heat transfer inside the pipes belongs to single - phase compulsive turbulent flow of inner pipe . inner trachea is a kind of special pipe compared by smooth pipe , which can strengthen heat transfer inside pipe
空预器烟气侧的换热类型是管内单相强迫紊流换热，论文在查阅了相关文献的基础上，比较了几种不同的管内强化换热措施，在其中选择内螺纹管代替光管，来改造管式空气预热器。 |
