| 1. | Numerical simulation of eccentric annular tube flow
偏心环状管流的数值模拟 |
| 2. | This paper discussed the modality of ringed piping in the procedure of fire fighting
讨论了消防过程中环状管网中的水流状态。 |
| 3. | Optimization design of annular pipe network based on particle swarm optimization algorithm
基于粒子群优化算法的环状管网优化设计 |
| 4. | We have been used to calculate the diameter of ringed piping according to ramiform piping , then it result in the bigger diameter and wasting of investment
长期以来，习惯环状管网管径按枝状管网计算，管径偏大，造成浪费。 |
| 5. | 3 the concept of basics pipe segment flow is presented . this is a new approach to determine optimal flow distribution of pipe segment and water source
3提出了基管段流量的概念，为解决环状管网中管段和水源的流量最优分配问题提供了一个新的途径。 |
| 6. | According to action principle , extinguishing process and efficiency of the sprinkler systems , it is put forward that the ringed arrangements replace the ramiform arrangements
根据自喷系统的作用原理、灭火过程和效率，提出用环状管网代替目前广泛采用的枝状管网的观点。 |
| 7. | It figured out that there was flow of water not only in the calculated pipeline but also in other pipelines and that diameters of hydrant ringed piping should be ensured after calculation
认为某一点着火后，不仅是计算管路有水流通过，其他管路也有水流经过，消火栓环状管网的管径应通过计算确定。 |
| 8. | 4 a new method called genetic algorithms - linear programming ( galp ) is presented , by which the optimal design a looped water distribution network can be obtained
4提出了环状管网优化设计的遗传?线性规划( galp )算法，将遗传算法和线性规划有机的结合在一起，是一种有效地解决环状管网优化设计问题的新方法。 |
| 9. | Extensive use of the ringed arrangements of sprinkler systems will improve the efficiency that sprinkler systems extinguish fire in the initial stages of fire . the ringed arrangements have prodigious practicability
自喷系统环状管网的推广应用将大大提高其扑灭初期火灾的成功率，减少火灾造成的损失和人员伤亡，具有很大的实用性。 |
| 10. | 5 the optimal design mathematics models and calculations of the single source looped network which source pressure is undecided and the single source looped network which source pressure is decided are presented respectively
5分别建立了水源水压已定单水源环状管网和水源水压未定单水源环状管网优化设计数学模型，并提出了计算方法。 |
