the average single well oil increment is 145t, the effective ratio is 70%, 10%-30% of pumping efficiency is raised after the plugging removal is carried on in the test well, well flushing cost is saved with the input-output ratio of 1:5.
ZYCYT energy saving and speed adjusting motor is introduced and spreaded with heavy oil well to solve the situation of sharp production decline with time in one steam injection period, low pumping efficiency using same parameter and energy waste.
Aiming at the problem in this article, the relation is analyzed between the pumping efficiency and the submergence depth in terms of hydrodynamics, the simulation of the oil well pump's working process is developed by the software of Fluent6.1 and Borland C++ Builder. The article creates the mathematical model of the relation between the pumping efficiency and the submergence depth, the balance of output and input, the system efficiency and the submergence depth with the different parameters.
本文针对这一问题,主要是从流体力学的角度来进一步分析沉没度与泵效之间的关系,运用先进的CFD商用软件Fluent6.1和编程软件Borland C++ Builder仿真抽油泵抽油的工作过程,建立沉没度和泵效之间关系的数学模型、供采平衡之间关系的数学模型和不同参数组合下的系统效率的数学模型。
Radiate spectrum of Zr/NaNO_3、 Zr/KNO_3 and Zr/KClO_4 He in 0.75 — 0.81 μm. Moreover, radiate spectrum of Zr/KClO_4 incline to the absorb spectrum of YAG bar. The experiment results, realize that Zr/KClO_4 is the better pumping source and pumping efficiency is higher.
The study on the diode laser arrays (LDA) pumped solid-state laser (DPSSL) has been an important research field because of its compact configuration, high pumping efficiency and convenient maintenance.
The pumping efficiency and absorption length of pumping source for Yb-doped double cladding fiber are theoretically simulated based on the analyses of the effects of inner cladding structure,doping concentration,paraboloid index profile and background loss of outer cladding on pumping absorption efficencies.
The air-cooled Roots vacuum pump system was used to provide vacuum to a big vessel rapidly to improve pumping efficiency and reduce maintenance cost greatly. The applications of new technologies to the vacuum control system are stated, such as PLC, Modbus RTU and intellectual motor controller.
Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down. It is found that the pumping speed drop is mainly due to the conductance of inlettube and oily vapor backstreaming.
A method of calculating pumping efficiency of Cryopumps by combing Monte Carlo simulation with the Ballance equlalion is presenteel, based on discussion of sereral calculating methods. By calculations form Ballance- Monte Carlo method for Sereral cryopumps and conparation of calculating results with direct Monte Carlo simulation or experiments, We find that bath manpower and computer time canbe screed in this way, and the influence of the varions componets of cryopumps on the pumping efficiency can be easily investigated.
It has been shown that when an inert-gas-halide mixture is excited by a self-sustained discharge, the electronegative gas provides depopulation of the lower laser level and simultaneously increases the pumping efficiency.
The energy balance of the pumping system with the line is analyzed from the viewpoint of optimizing the pumping efficiency of metal-vapor lasers.
The high pumping efficiency of 36.1% is achieved for such ASE source with a mirror reflectance of 30%.
Such configuration allows high pumping-power operation and enhances the pumping efficiency.
It is shown that 980 nm pumping has higher gain and higher pumping efficiency.