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航空工程教学设备

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  • 北京北京市

更新时间:2020-06-18

有效日期:已过期

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航空工程教学设备

LOT NO. 5: AERONAUTICAL ENGINEERING EQUIPMENT FOR COPPERBELT UNIVERSITY.

 

No.

Name of Goods or Related Service

Technical Description

Qty.

1

Gas Turbine Jet Engine

燃气轮机喷气发动机

Brief Description  简介

A gas-turbine consisting of all the inherent components such as compressor, combustion chamber, turbine section and exhaust for training purposes, at a University.

燃气轮机由所有固有部件组成,例如压缩机,燃烧室,涡轮部分和排气用于培训目的。

1

Purpose  目的

The University intends to utilise the Engine to train students on the behaviour of a jet engine during operations such as start-up procedures; determination of the specific thrust; determination of the specific fuel consumption; and determination of lambda or fuel-air ratio.

大学拟利用该引擎,训练学生了解喷气引擎在运作(例如启动程序)时的表现;确定比推力;确定比油耗;测定lambda或燃料-空气比。

Main Specifications  主要技术参数

The University wants a single-shaft gas-turbine jet engine with radial compressor and axial turbine, or equivalent. The turbine should be mounted on moving base with force sensor for thrust measurement, whose maximum thrust should be 82N at 117000 rpm. It should also have electric starter for full automatic start-up. In addition, the engine should be supplied with additional remote control for display and control of the jet engine, besides software for data acquisition via USB in Windows 7 – 10.

该大学想要一种带有径向压缩机和轴流式涡轮机或同等产品的单轴燃气涡轮喷气发动机。 涡轮机应安装在带有力传感器的移动底座上进行推力测量,其大推力应为82N,转速为117000 rpm。 它还应具有用于全自动启动的电启动器。 此外,除了用于在Windows 7-10中通过USB获取数据的软件之外,还应为发动机提供额外的遥控器以显示和控制喷气发动机。

Technical Information  技术信息

Measuring Ranges  量程

Other desired outputs include the following examples of measuring ranges, including power supply requirement of 230V, 50Hz, 1 phase.

其他所需的输出包括以下测量范围的例子,包括230V50Hz1相的电源要求。

  • Differential pressure, in the range of about 0 - 150mbar
  • 压差,范围约为0-150mbar
  • Pressure, in the range of about 0 - 2,5bar (combustion chamber)
  • 压力,在约0  -  2,5bar范围内(燃烧室)
  • Temperature, in the range of about 2x 0 - 1200°C / 1x 0 - 400°C
  • 温度,范围为约2x 0  -  1200°C / 1x 0  -  400°C
  • Speed, in the range of about 0 - 120000rpm
  • 速度,范围约为0-120000rpm
  • Consumption, in the range of about 0 – 25L/h (fuel)
  • 消耗量,约为0-25L / h(燃料)
  • Force, in the range of about 0 - 200N.
  • 力,范围约为0 - 200N

2

Subsonic Wind Tunnel

亚音速风洞

Brief Description简介

A practical open-circuit suction wind tunnel for experiments in aerodynamics with a separate control and instrumentation unit controls the speed of the air velocity in the working section and supplies electrical power to other instruments.

一种实用的空气动力学实验用开路吸风风洞,由独立的控制和仪表单元控制工作段的风速,并为其他仪器提供电力。

1

Purpose 目的

The Subsonic Wind Tunnel shall be used to train students in the determination of drag and lift coefficients for different models; the understanding of pressure distribution on drag bodies immersed in a flow; appreciation of boundary layer analysis; the investigation of flutter; understanding wake measurement in conjunction with the fog generator and the visualisation of streamlines.

亚音速风洞应用于培训学生确定不同模型的阻力和升力系数; 了解浸入流体中的拖曳体上的压力分布; 边界层分析的欣赏; 扑动的调查; 了解与雾发生器结合的尾流测量和流线的可视化。

Main Specifications主要技术参数

The Tunnel should enable students conduct experiments from the field of aerodynamics and fluid mechanics and should have wide range of accessories. The Tunnel should have the following attributes:

隧道应该使学生能够从空气动力学和流体力学领域进行实验,并且应该有各种各样的附件。 隧道应具有以下属性:

  1. It should have transparent, closed measuring section;
  2. It should have inlet contour, nozzle and diffuser made of GRP;
  3. It should have a variable-speed fan motor for energy-efficient operation;
  4. It should have flow straightener to reduce turbulence;
  5. It should be able to measure flow forces;
  6. It should be able to display air velocity; and
  7. It must have digital display of drag and lift.
  1. 它应具有透明,封闭的测量部分;
  2. 应有GRP制成的入口轮廓,喷嘴和扩散器;
  3. 应配备变速风扇电机,以实现节能运行;
  4. 它应该有流动矫直器以减少湍流;
  5. 它应该能够测量流动力;
  6. 它应该能够显示空气流速;
  7. 它必须具有拖曳和提升的数字显示。

 

The Tunnel should further have measuring section for wind velocity, axial fan, appropriate measuring ranges, and compatible accessories such as complete drag body, pressure distribution, and relevant measuring instruments. Equivalent Tunnel could be supplied as long as it meets the particular purpose for which the University is buying the equipment for.

隧道还应具有风速测量部分,轴流风扇,适当的测量范围,以及兼容的附件,如完整的阻力体,压力分布和相关的测量仪器。 只要满足大学购买设备的特定目的,就可以提供等效隧道。

3

Supersonic Wind Tunnel

超音速风洞

Brief Description简介

A suction-type continuous-operation supersonic wind tunnel for investigations into two-dimensional air flow around models for airspeeds up to Mach 1.8

一种吸入式连续操作超音速风洞,用于研究高达1.8马赫的空速模型周围的二维气流

1

Purpose目的

The Tunnel will be used by the Copperbelt University for investigating the following characteristics:

隧道将由Copperbelt大学用于调查以下特征:

  • Pressure curves in supersonic nozzles;
  • 超音速喷嘴的压力曲线;
  • Pressure curves and losses in tunnel flows with Mach > 1;
  • 马赫数> 1的隧道内压力曲线和损失;
  • Observe shock waves in drag bodies using Schlieren optics;
  • 使用Schlieren光学器件观察阻力体中的冲击波;
  • Determining the Mach number from the angle of the shock waves; and
  • 从冲击波的角度确定马赫数; 和
  • Comparison of theory and experiment.
  • 理论与实验的比较

Main Specifications主要技术参数

The Tunnel should be supplied as equipment with provision for visualisation of Mach lines and shock waves using Schlieren optics; continuously operating, open supersonic wind tunnel, low pressure principle; positive displacement fan with variable speed; interchangeable walls in the measuring section to produce velocities up to Mach1.8; and it should have drag bodies including but not limited to rocket, projectile, double wedge and wedge. It should also have manometer for displaying the pressure in the measurement point, together with associated software for data acquisition.

隧道应作为设备提供,使用Schlieren光学器件可视化马赫线和冲击波; 连续运行,开放超音速风洞,低压原理; 变速正排量风机; 测量部分可互换的墙壁产生高达1.8马赫的速度; 它应该有拖曳体,包括但不限于火箭,抛射物,双楔和楔形物。 它还应具有用于显示测量点压力的压力计,以及用于数据采集的相关软件。

 

 


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发布询价单

北京京工科业科教设备有限公

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经销商
联系人:
黄先生

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