| 1. | Groundwater numerical modeling and its application in affected zone of the down - yellow river henan section
三维地下水流数值模拟模型及其应用 |
| 2. | This paper discusses the numerical simulation model , in which nonsteady three - dimensional temperature field in large oil - immersed self - quenched transformers is the main object
本文以大型油浸自冷式三相变压器( sfz9 - 20000 / 110 )的三维非稳态温度场为研究对象，讨论了变压器运行过程中温度场的数值模拟模型。 |
| 3. | Firstly , under the curvilinear coordinates , mathematical model for wave propagation in water of slowly topography is presented . the model is suitable to arbitrary boundary shapes and overcomes the limitation of other models with algorithm transformation
首先，基于曲线坐标系，建立了缓变水深水域波浪传播的数值模拟模型，模型适宜于任意变化的边界形状，克服了各种代数坐标变换的局限性。 |
| 4. | The falling rate of t _ ( d - ) p curve closely related with e / p or the energy of laser pulse ( e _ ( laser ) tested . the threshold voltage did n ' t depend on the pressure apparently . the delay and jitter decreased exponentially as the e _ ( laser ) increased
C :建立了零维“ 2光子激发一2光子电离”激光触发火花隙数值模拟模型与考虑了levison修正的t . h . martin经验公式相结合的激光触发多级开关零维数值计算模型。 |
| 5. | Abstract : in order to protect environment , it is very important to explore anew refrigeration method . for its unique characteristic , thermoelectric refrigeration is applied in some conditions . numerical simulation has been developed for the air - cooled thermoelectric air - conditioner by experimental simulation on heat - insulating materials with different thickness , structure - shapes , work - conditions and air - flow capacities . the model and the method have been verified . the effects of the figure of merit of thermoelectric material and the heat transfer coefficient of cool / heat side on the performance of the air - conditioner are analyzed by the model
文摘:建立了风冷热电空调器数值模拟模型，对空调器进行了模拟计算.在对风冷热电空调器研制的基础上，进行了最佳隔热层厚度、不同结构形式、变工况、变风量和复现性实验，验证了仿真程序的可靠性，并应用模拟程序对热电材料的优值系数和空调器冷、热端的传热系数进行了分析 |
| 6. | In the design of applying the numerical simulation method to return roadway bolt support on working face in some mine , the author builds a numerical model that based on real condition , rules of designing numerical model and geological mechanics parameter of the regional terrain as the simulated limiting condition by geological data research in spot
摘要将数值模拟方法应用到某矿工作面回风顺槽煤巷锚杆支护设计中，根据实际条件和建立数值模型的原则，通过现场地质资料调查得到区域岩层地质力学参数作为模拟边界条件，建立了数值模拟模型。 |
| 7. | Based on the existent well pattern and fracture azimuth of xinzhan oilfield , this paper establishes the numerical simulation model of fracture reservoir , and calculates the effect of fracture length ratio and fracture flow conductivity of hydraulic fractured injection wells and production wells on the reservoir development index
摘要依据新站油田现有井网和裂缝方位条件，建立了带裂缝的油藏数值模拟模型，计算出实施水力压裂的注水井和采油井缝长比及裂缝导流能力对油藏开采指标的影响。 |
| 8. | A 200kv laser triggered multi - stage multi - channel switch , a 200kv / 100ka multi - channel ring rail electrode field distortion switch and a 5mv laser triggered multi - stage multi - channel switch were designed and tested . the main results and conclusions of this dissertation are as follows : ( 1 ) the switching property of sf _ ( 6 ) - n _ ( 2 ) , sf _ ( 6 ) - ar mixtures and the design techniques of multi - channel field distortion switch were studied . a 0 - demension " 2 - 2 " model was developed to study the interaction of the uv laser with sfe gas and sf _ ( 6 ) - n _ ( 2 ) mixtures
本论文研究了激光触发多级多通道开关的运行机理、 sf _ 6 n _ 2 、 sf _ 6 ar混合气的开关特性和多通道场畸变开关设计技术，建立了零维激光触发火花隙及激光触发多级多通道开关数值模拟模型，研制了200kv原理型激光触发多级多通道开关、 200kv 100ka环轨式场畸变开关和5mv激光触发多级多通道开关，获得的主要成果和结论如下： ( 1 ) sf _ 6 n _ 2 、 sf _ 6 ar混合气的开关特性及多通道场畸变开关设计技术研究方面。 |
| 9. | Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space , which can influence the process of the runoff , this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid , and that gains flux at random time and grid in basin
本模型针对降雨时空分布不均匀与下垫面自然地理参数空间分布不均匀，对产汇流形成过程的影响，提出了一种基于栅格的坡面产汇流与河道汇流的数值模拟模型。 |
| 10. | Built up numerical simulation model of ufad system with single heat and pollutant source , adopted fluent software to study distribution of temperature 、 velocity and contamination ’ concentration , and changes of heat lamination height when temperature and velocity of air - in and surface temperature of heat source were changed and when the leakage of air - in plenum was considered or not . and compared and verified the simulation results with experimental testing data
建立了单一热污染源地板送风的数值模拟模型,采用fluent软件研究送风温度、送风速度、热源表面温度的变化及有无考虑送风静压层的漏风时,室内温度、速度和污染物浓度分布以及热力分层高度的变化,并与实测分析进行了对比验证。 |
