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散热风扇
相关语句
  exhaust fan
     Application of exhaust fan in large-capacity storage batteries
     散热风扇在大容量密封蓄电池组中的应用
短句来源
     The experiment results showed that, at elevant environmental temperature, the exhaust fan can reduce effectively the battery temperature and increase the battery capacity.
     试验结果表明:在环境温度较高时,这种散热风扇能有效地降低电池组的温度,提高电池组容量。
短句来源
  “散热风扇”译为未确定词的双语例句
     The exhaust noise,the engine ventilator noise and the noise of vibrating cover of the engine are the main noise source of the tractor,and the levels of sound intensity are 106 dB,104 dB,and 104 dB respectively.
     排气噪声、发动机散热风扇噪声及发动机机罩振动噪声为拖拉机主要噪声源,声强级分别为106dB、104dB、104dB;
短句来源
     Therefore,in order to solve the problem of the tractor noise,the exhaust noise,the engine ventilator noise and the noise of vibrating cover of the engine should be reduced first.
     因此,解决该拖拉机噪声问题须首先降低排气噪声、发动机散热风扇噪声和发动机机罩振动噪声。
短句来源
     The feasible working temperature of the cell stack was maintained by utilizing the structure designing in the machine box and the adjusting of rotate speed of the fan.
     利用机箱内部热源的结构设计与调整散热风扇的转速来维持电池堆工作在适宜的环境温度;
短句来源
     Circuitry of Blowing and Cooling Fans on JETTA CL and Its Trouble Analysis
     捷达CL型轿车鼓风与散热风扇电路及故障分析
短句来源
     The first one is to calculate the performances of the circle-plate fan and create the performance curves of the fan by the aid of a CFD software called Fluent, then to test the performance of the real fan in wind-box test-bed and to compare the numerical results and the testing results to validate the feasibility and the veracity of numerical results.
     首先利用先进的Fluent软件计算圆弧板散热风扇的性能、绘制特性曲线,并在出气式风式实验装置上测试圆弧板散热风扇的性能进行测试,对比计算结果和实验结果,验证了数值计算散热风扇性能的可行性和准确性;
短句来源
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  相似匹配句对
     Application of exhaust fan in large-capacity storage batteries
     散热风扇在大容量密封蓄电池组中的应用
短句来源
     The match between the cooling area of radiators and the power of cooling fans
     内燃机车散热散热面积与冷却风扇功率的匹配
短句来源
     Lift fan of air cushion vehicle
     气垫船垫升风扇
短句来源
     Research of Piezoelectric Ceramic Fan
     压电陶瓷风扇的研制
短句来源
     Diamond heat spreader
     人造金刚石散热材料
短句来源
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  exhaust fan
The vent pipe, fabricated from galvanized steel sheet, was connected to the final exhaust fan downstream of high-efficiency particulate air (HEPA) filters.
      
An exhaust fan is placed at one end of the duct and is capable of inducing airflow rates that range from 0 to 1.5 m3/s.
      
Operational experience with an exhaust fan lubrication system
      
Acceptable exhaust fan flow rates for the eight operating conditions are shown in Figure 2.
      
A 48-volt DC exhaust fan removes hot air from the top of the greenhouse.
      
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  cooling fan
Visualization and experiment of tip vortex phenomenon in cooling fan using digital particle image velocimetry
      
The Digital Particle Image Velocimetry (DPIV) is an efficient method for measuring the internal flow field of a low-speed cooling fan.
      
The interaction between the wake of a rotor blade and a downstream cylinder holds the key to the understanding and control of electronic cooling fan noise.
      
Actual dimensions are used in the calculation of the model torques for the cpu cooling fan.
      
Air-cooled VFDs shall be provided with a single, mixed flow cooling fan, mounted integral to the VFD enclosure.
      
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PEUGEOT 505 car air condition system is advanced in structure, complete in function and easy in operation. This paper introduces the basic control principles of this system, the speed adjusting principle of the blower and the working principle of the radiating fan. Starting with the inner circuit of its electronic control unit of this system, the author emphatically analyzes the control principles of each part.

标致牌505型汽车空调系统结构先进、功能齐全、操作方便。本文介绍了其空调系统的基本控制原理。阐述了鼓风电动机的调速原理、散热风扇的工作原理。从空调系统电子控制装置(ECU)的内部电路入手,着重分析了各部分的控制原理。

According to meet the urgent demand for the portable military communication power, whole designing scheme of the PEMFC (proton exchange membrane fuel cell) movable power system in miniaturization?portability and modulization ,combining with the technology development of the fuel cell power system in miniature were studied. In the design, ordinary-press air was adopted as the oxidizer, while reversible metal hydrogen-storage was adopted to store and supply hydrogen,the flux and press of which was confined to...

According to meet the urgent demand for the portable military communication power, whole designing scheme of the PEMFC (proton exchange membrane fuel cell) movable power system in miniaturization?portability and modulization ,combining with the technology development of the fuel cell power system in miniature were studied. In the design, ordinary-press air was adopted as the oxidizer, while reversible metal hydrogen-storage was adopted to store and supply hydrogen,the flux and press of which was confined to the max-loading condition. A few measures were taken for regulating temperature and humidity inside the PEMFC stack, including setting cool-fan?radiator and minitype humidifier. To level off output voltage, such measures were taken as using large capacitor to continuing current and DC transforming with PWM and so on. A single chip microcomputer was used as the central component to harmonize and control the above units of the system. In the end, a prototype was manufactured, the monomial performance and load-ability of which were tested. The prototype has shown good ablity of supplying power steadily and reliably, thus it has reached the expected design aim.

针对便携式通信电源的实际需要,结合小型燃料电池发电系统的技术发展,提出了小型化、轻便化、模块化的质子交换膜燃料电池(PEMFC)移动电源系统的总体设计方案。设计中,采用常压空气作为氧化剂,采用固态可逆金属储氢器来存储、供应氢气,限定氢气的流速与压力稳定在最佳工况值;利用散热风扇、外加散热片和小型增湿器来调节电池堆内部的温、湿度;采用大电容续流、直流斩波加脉宽调制的方式来实现稳压输出;采用以单片机为核心的控制单元来实现系统各单元的协调控制。最后研制了实验型样机,通过对其单项性能和实际负载能力的测试,发现其供电平稳,可靠性较高,达到了预期的设计目标。

Through analyzing the key influencing factors of working performance of the low-power PEMFC generating system,and according to the demand of application and miniaturization,a sort of control method for the system operating was discussed from the point of view of simplification and easiness. The temperature of the system was maintained by designing the structure of heat exchanging in the system and adjusting rotate speed of DC fans. And humidity of the stack was managed by humidifying from both interior and exterior....

Through analyzing the key influencing factors of working performance of the low-power PEMFC generating system,and according to the demand of application and miniaturization,a sort of control method for the system operating was discussed from the point of view of simplification and easiness. The temperature of the system was maintained by designing the structure of heat exchanging in the system and adjusting rotate speed of DC fans. And humidity of the stack was managed by humidifying from both interior and exterior. The measures of two-grades decompressing the pressure of reacting gases and restricting the flow velocity were made. And exhaust was let intermittently. Then the control circuit with single chip microcomputer as heart and its software were designed. In the end experiments were made to test the effect of this control method, and the result was satisfying.

通过分析影响小型PEMFC发电系统运行特性的各个关键因素,结合小型化、实用化的要求,探讨了一种简便、易于操作的控制方法。利用系统内部各热源的热交换结构设计、控制散热风扇转速来进行温度的调节;采用内、外增湿相结合的方案来实现电池堆内部的湿度管理;采用了两级减压、限流的操作压力与流速控制方案,以及定时排放的尾气控制方案。设计了以单片机为核心的控制电路及其软件,经测试收到了较为满意的控制效果。

 
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