• 通过试验理论计算两种方法研究高压煤粉气力输送水平稳定压力损失情况。

    This paper investigated the pressure drops for horizontal pipes in dense-phase pneumatic conveying of pulverized coal under high pressures through experiments and theoretic calculation.

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  • 这种方式可以减少计算工作量,算出的溢流压力分布资料试验结果符合较好。

    The method is applied to free surface sluice gate flow over spillway and computed pressure distribution agrees satisfactorily with experimental results.

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  • 这种方法得到轴对称进水口曲面压力分布,进行松弛计算,还一个进行了气流模型试验

    The pressure distribution along the curved wall of an axially symmetric inlet so obtained was calculated by the relaxation method, and that of another was measured from an air-flow model test.

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  • 根据减缓压力原理推导了气罐体积计算公式通过试验验证证明该公式具有较高精度

    In accordance with the mechanism of its reducing water impact pressure, a calculation formula for the gas tank volume is deduced, which is proved to have high accuracy through verification tests.

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  • 本文使用地层破裂压力试验测井资料处理相结合方法计算地应力具有简单方便,且输出数据连续、可靠的优点

    The method presented by this thesis calculate the formation stress with diplog data and scaled by the fracture pressure test possess the merit of simplicity, facility and consectary dataout.

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  • 计算结果可以较好地经典理论试验结果吻合加劲环式压力钢管局部稳定性问题分析提供了一种新的可行方法

    The calculated results accord with the classical theoretical and experimental solution, therefore, the method provides a new and feasible way for local stability analysis of stiffener penstocks.

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  • 以此方法模拟了喷管二维叶栅的多个平衡态凝结流动计算试验测量的压力分布较好地吻合

    The nucleating flows in nozzles and cascades are simulated by this method and good agreement is obtained between experiment and calculation.

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  • 介绍压力试验计算自动测试系统构成软件设计方法

    A computer automatic testing system of pressure testing machine and the design method of its software were introduced.

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  • 油源设备提供一定压力油液情况下计算调整输入液压缸的油液流量,由此控制试验载荷。

    With the digital control, volume of compressive oil provided by hydraulic power unit in actuator can be regulated to modulate the test load value.

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  • 数值模拟室内离心机模型试验基础提出高填方涵洞顶部压力简化计算方法

    The paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling.

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  • 通过线性理论计算模型试验结果比较指出线性切片理论预报压力场时的不足

    The drawbacks of linear strip theory in predicting hydrodynamic pressures are pointed out with the comparisons of predicted and model test results.

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  • 通过模型试验结果进行比较可以看出,计算能够比较准确地预测尾水管压力脉动

    The comparison between the calculation results and experimental data indicates that the calculation in this paper can medict the pressure fluctuation in draft tube very well.

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  • 分析了静水压试验过程钢管受力情况,简要介绍了试验压力计算公式推导过程

    It analyses stress sustained by pipe during hydrostatic test and briefly introduces calculation formula deduced process of test pressures.

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  • 试验结果发现,橡胶材料剪切并没有压力的升高而减小现象计算结果吻合较好

    The test results show that the shear modulus of the elastomer will not decrease with enhancing compression which agreed with well with the simulation.

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  • 同时可用计算公式校验设计文件规定试验压力

    Meanwhile, this formula can be also used to verify the test pressure specified by the design document.

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  • 系统地阐述了钻井泵阀试验设计指导思想设计方案的确定依据,介绍试验系统压力调节方法计算公式

    The guide rule and general plan to design a laboratorial test stand for drill pump valves are expounded, and the regulation and calculation of the system pressure of the stand are discussed.

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  • 试验台上进行微粒过滤器压力损失流量测试试验,运用得的数据计算了微粒过滤器的渗透率

    In steady flow rig the pressure drop and the mass flow rate of the DPF were measured, and the measured data are used in the estimation of DPF permeability.

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  • 同时通过试验压力一定安全系数推导出液压试验专用焊接计算公式

    In the same time, a calculating formula of welding flat cover special for hydraulic test is deduced by setting certain safety coefficient of hydraulic test.

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  • 本文论述根据台架试验模拟计算结果得出发动机进气系统内压力波动与充气效率-转速特性关系

    Presented in this paper is the relationship between intake pressure wave actions and the general volumetric efficiency speed characteristics of multi cylinder engines.

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  • 然后考察不同结构的模型在考虑温度场履历情况加载均匀计算结果计算表明计算爆破压力试验爆破压力基本一致

    And then the conditions of different models under the pressure load considering temperature history are researched. The results showed that calculated burst pressure accords with test result.

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  • 设备结合了电子万能试验GDS液体压力控制器,同时采用计算机软件进行控制,实现了三轴剪切试验应力控制、数据自动采集和不同应力路径试验的目的。

    It includes electronic universal testing machine and GDS water pressure controller. It is controlled by a computer, and automatic recording data and different stress path test may be achieved.

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  • 以调整的传统经验为基础,编制了控制软件,最终采用计算对流环压进行实时监控,实现岩心流动试验装置压力系统的自动控制。

    Accordingly, real time flowing pressure and confining pressure in the core flooding test apparatus can be monitored and controlled automatically by computer and software.

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  • 针对YE-50包装压力试验落后测控系统提出一种基于压力位移闭环控制计算测控系统。

    This paper presents a computer test and control system based on closed loop control of pressure and displacement, aiming at the laggard YE-50 pressure tester for package.

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  • 分析了静水压试验过程中钢管受力情况,简要介绍试验压力计算公式的推导过程。

    This paper introduces the experiment condition of pressure experiment for water supplying pipeline of glass steel, experiment technology and method.

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  • 气藏现埸试验证实理论正确性,并根据压力降落曲线中的稳定状态资料,便正确计算气井控制储量

    This theory has been proved by gas well test in field. According to the apparent steady state date in pressure drawdown curve, the control reserves of a gas well can be calculated correctly.

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  • 通过渗流流量压力相关试验测定滑脱修正系数渗流指数以及渗流系数,将该方程计算结果现场产量做了对比证明方法正确性

    Measured coefficient of slippage, seepage index and seepage coefficient by experiment, and compared calculated results with spot results and verified the effectiveness of this method.

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  • 该文通过试验理论计算两种方法研究了高压煤粉气力输送垂直管段压力损失情况

    This paper presents pressure drops for vertical pipe in dense-phase pneumatically conveying pulverized coal under high pressures by a method of experimentation and analytical calculation.

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  • 有限元计算结果与模态试验结果较吻合,声模态修正后结果能很好地解释缸内燃烧压力高频振荡

    The results show that the high-frequency pressure oscillation is aroused by the combustion chamber's resonance.

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  • 有限元计算结果与模态试验结果较吻合,声模态修正后结果能很好地解释缸内燃烧压力高频振荡

    The results show that the high-frequency pressure oscillation is aroused by the combustion chamber's resonance.

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