| 1. | Influence of natural wind pressure on mine ventilation system 矿井自然风压的反风测算法 |
| 2. | Numerical simulation of wind pressures on low - rise building with gable roof 低层双坡屋面房屋表面风压的数值模拟 |
| 3. | Application on indirect calculation of natural ventilation pressure in chengjiao coal mine 自然风压的间接测算在城郊矿的应用 |
| 4. | In this paper , the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum , and the transient dynamic analysis is used on the fem 本文依据风洞试验数据模拟了静风压的空间分布,依据脉动风谱模拟了网架结构的风荷载时程,并对有限元模型进行了有限元瞬态动力学时程分析。 |
| 5. | The fluctuating omnidirectional wind pressure power spectrum density ( psd ) of some typical locations and the frequency domain coherence property of the fluctuating wind pressure between different tapping positions at different wind directions were measured and discussed 文中进一步测量并讨论分析了屋盖上典型测点脉动风压的频谱特性以及空间不同位置之间的相干特性。 |
| 6. | On the basis of summarizing main research results , some numerical simulations have been carried out for wind pressures acting on low - rise buildings with continuous solid parapet , solid parapet with raised corner and cantilevered parapet in this paper 在总结前人主要研究成果的基础上,本文采用数值模拟方法探讨连续等高女儿墙、角部加高女儿墙和悬挑女儿墙对低矮房屋屋面风压的影响。 |
| 7. | The distribution of mean wind pressure is analyzed and compared with the distribution on similar structural surface . through summarizing the rules for wind direction affection on wind pressures distribution , the most dangerous wind directions are gotten 分析了平均风压的分布情况,并将其与相近结构表面的风压分布进行了比较;通过总结平均风压随风向角的变化规律,得出椭球面屋盖和圆锥面幕墙最不利风向角。 |
| 8. | Considering such embarrassed condition , the present study puts forward two theories , which is standard solution and model solution , to obtain the wind - induced response and eswl on civil engineering buildings . by applying the above - mentioned two solutions , the wind - induced dynamic problems on long span roofs can be solved . and the characteristic of wind pressures on long span roofs is also investigated 本文提出建筑结构风致响应和等效风荷载的标准( standard )解法和模态( model )解法,并把这两套方法应用于大跨度屋盖结构中,同时对大跨度屋盖结构表面风压的分布特征进行了分析。 |
| 9. | Due to technology demand would carry out multi - place measure of wind pressure or negative pressure . because measured medium include high concentration coal powder and coal dust grain , often makes sample pulse pipe to stop up , and effect on correct measure of wind pressure , so to safety production causes serious menace 由于工艺上的需要,要进行多处的风压或负压的测量,因被测介质中含高浓度的煤粉或煤灰颗粒,常使取样脉冲管堵塞影响风压的正确测量,对安全生产造成严重威胁。 |