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Experimental investigation on controlled cooling by coupling of thermoelectric and an air impinging jet for CPU

机译:热电耦合和CPU的空气撞击喷射控制冷却的实验研究

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摘要

In this study, experimental tests have been carried out on the coupling thermoelectric cooling module with minichannel heatsink subjected to impinging airflow for cooling desktop central processing unit (CPU). A controlled thermoelectric-forced test system was designed for this purpose. This was designed using electronic Arduino card. The proposed hybrid cooling system was compared with the conventional forced air-cooling technique. Three power of heat source (CPU) were adopted, investigated, and compared, namely 60, 87, and 95 W. Performance of controlled thermoelectric cooling with three preset temperature were experimentally examined. The effects of air velocity and thermoelectric input current on the case temperature (T_(case)), thermal resistance, and heat transfer coefficient were analyzed. Results showed that the T_(case) increases with the increase of its input power. In addition, increasing air jet velocity and thermoelectric input current improve CPU cooling significantly. For a CPU power of 95 W, the recorded T_(case) temperature was 57°C with the conventional system. While it was maintained below 50°C in the hybrid system. The thermoelectric cooler has had a major effect on CPU cooling, having 15% improvement over conventional forced air-cooling. However, this was accompanied by an increase in energy consumption in the range of 45 W.
机译:在该研究中,已经在耦合热电冷却模块上进行了实验测试,其中小视野散热器经受撞击用于冷却桌面中央处理单元(CPU)的气流。为此目的设计了一种受控的热电强制测试系统。这是使用电子arduino卡设计的。将所提出的混合冷却系统与传统的强制空气冷却技术进行比较。采用了三种热源(CPU)的三个力量,研究了60,87和95W。实验检查了具有三个预设温度的受控热电冷却的性能。分析了空气速度和热电输入电流对壳体温度(T_(案例)),热阻和传热系数的影响。结果表明,T_(案例)随着其输入功率的增加而增加。此外,增加空气射流速度和热电输入电流显着提高CPU冷却。对于95W的CPU功率,记录的T_(案例)温度为57°C,传统系统为57°C。在混合系统中保持在50°C以下。热电冷却器对CPU冷却产生了重大影响,在传统的强制空气冷却方面具有15%的改善。然而,这伴随着45 W的能耗增加。

著录项

  • 来源
    《Heat transfer》 |2021年第3期|2242-2258|共17页
  • 作者单位

    Laboratory of Rheology and Mechanics Faculty of Technology Hassiba Benbouali University of Chief Chief Algeria;

    Laboratory of Rheology and Mechanics Faculty of Technology Hassiba Benbouali University of Chief Chief Algeria;

    Malaysia-Japan International Institute of Technology University Teknologi Malaysia Kuala Lumpur Malaysia;

    Faculty of Mechanical Engineering University Malaysia Pahang Pahang Malaysia;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Arduino Uno; CPU; electronics cooling; heatsink; impinging jet; thermoelectric;

    机译:Arduino Uno;中央处理器;电子冷却;散热器;撞击喷射;热电;

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