The adiabatic efficiency under small flow rate condition was optimized. 优化目标为小流量工况下绝热效率最大。
A new method of modeling distributed parameter turbulent pipes by using modal approximation methodology was presented. Two kinds of modal approximation models for both hydraulic and adiabatic pneumatic turbulent pipes-the I R C and effective laminar flow modal approximation models were developed. 提出了用模态近似法建立分布参数湍流管道的集中参数近似模型的新方法,发展了适用于水力和绝热气体湍流管道的两种模态近似模型:I-R-C模态和等效层流模型。
The design& operation of the inter-cooling, adiabatic and axial-radial flow ammonia converter internal 内冷-绝热轴径向氨合成塔内件设计与运行
The energy equation and its application of adiabatic compression flow is discussed by forming energy equation with fluid motion differential equation. And some analysis is made on the error emerging when low speed flow is calculated as incompressible fluid. 用流体运动微分方程建立能量方程,讨论绝热压缩气流能量方程及应用,并对低速气流按不可压缩流体计算所产生的误差进行了分析。
A wavenumber equation of pressure wave was derived for adiabatic gas liquid two phase flow by linearizing the conservation equations of two fluid model. 将双流体模型用于绝热无相变的管道气液两相流,依据小扰动线化分析原理,导出了压力波波数K方程。
Study on Thermal Siphon Characteristics of Adiabatic Slug Flow in Thermal Siphon Pump of Absorption Refrigerator 无泵吸收式制冷机热虹吸泵绝热弹状流的热虹吸特性研究
Based on the Homogeneous Flow Model of adiabatic capillary tubes, a counting program for numerical simulation of the mass flow rate of refrigerant in capillary tubes is developed. 运用绝热毛细管的均相流模型,数值模拟了毛细管内制冷剂的质量流量,并进行了实验验证;
Although the critical two-phase flow of refrigerant through adiabatic capillary tube is nonlinear, its mass flow characteristics under some typical operating conditions show good linearity. 虽然制冷剂在毛细管内的流动为非线性的两相临界流,但是在很多特定工况条件下毛细管流量特性表现出良好的线性特性。
The model is built on the assumption that the bottom wall of the channel is in uniform heat flux while the other three walls are adiabatic, and that the flow and heat transfer is of the hydraulic and thermal fully developed laminar flow of the incompressible fluid. 在分析模型中,假定矩形槽道底面定热流加热,其余三面绝热,流动和换热均为充分发展,且处于滑移流动区。
Approximate analytic solution to the length of adiabatic capillary tube under the choked flow 壅塞流动下绝热毛细管长度的近似解析解
Two-fluid model for adiabatic laminar bubbly flow 绝热层流泡状流运动的双流体模型
Vapor hold-up of adiabatic two phases rising flow in a vertical pipe 垂直上升绝热管内汽液两相流截面含汽率的确定
Two-Phase Flow Pattern and Pressure Drop on the Shell-Side of Heat Exchanger during Adiabatic and Heating FLow 绝热和加热状态下换热器壳侧气液两相流的流型与压降
The calculated results indicate that the highest profit can be gained from a multi-stage adiabatic reactor with radial flow operated under vacuum. 计算结果表明,负压操作的多段径向绝热反应器所获收益最高。
Interactions of elementary waves in one-dimensional adiabatic flow 一维绝热流动中初等波的相互作用
The experimental results show that adiabatic efficiency has a remarkable improvement in low cold mass flow ratios, adiabatic efficiency can improve by 30% in the best condition. 实验表明,在冷流率小的情况下,通过加湿可以使得绝热效率得到显著的提高,最好可以提高30%。
Experiment of adiabatic vapour absorption in horizontal tube and its flow pattern 水平管绝热吸收过程实验及流动形态研究
As to the compressible tubal flow, whether or not taking into consideration the effect of reversible work and viscous dissipation correspond to adiabatic and isothermal flow respectively. 对于流动过程,是否考虑压力功及粘性耗散的作用分别对应于绝热与等温流动的情况。
Void fraction and friction pressure drop measurements are made for an adiabatic, horizontal two-phase flow of air-water mixture across a vertical tube bundle. 对空气-水两相混合物在折流板壳管式换热器壳侧沿水平方向横掠垂直管束的截面含气率及摩擦压降进行了实验研究。
Adiabatic combustion temperature at various oxidizer mass flow rates and grain length is obtained by thermodynamic calculation and has a maximum as oxidizer mass flow rate increases. 利用热力计算得到了绝热燃烧温度与氧化剂流率和药柱长度的变化规律,绝热燃烧温度随氧化剂流率的增加存在一最大值。
An one dimensional homogenous adiabatic fixed bed reactor model was adopted to simulate a radial flow reactor for dehydrogenation of ethylbenzene to styrene under vacuum. 采用一维拟均相绝热径向反应器模型模拟乙苯负压脱氢径向反应器。
Mathematical modeling of the new-style supersonic separator is built in 2-D steady adiabatic flow state. Fluent commercial software is adopted for numerical simulation. 建立了新型超音速分离管内二维稳态绝热流动的数学模型,应用FLUENT商业软件进行了数值模拟。
Affected by the nucleation and flow of a phase, adiabatic shear and local flow occurred in the instability areas of alloys with different structures, and formed transgranular cracks and unstable bending. 受α相形核和流变的影响,不同组织状态合金在变形失稳区分别发生绝热剪切和局部流动,形成剪切带和失稳弯折。
Based on the analogy with the steady countercurrent reactor, a simplified theoretical solution is presented, which is applicable to adiabatic inert porous media combustors with reciprocating flow. 通过与稳态的逆流燃烧器类比,得到了往复流动下绝热惰性多孔介质内的超绝热燃烧的简化理论解。