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相关概念视频

Temperature Measurement Sites01:14

Temperature Measurement Sites

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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
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Cable Subjected to Concentrated Loads01:28

Cable Subjected to Concentrated Loads

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Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
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相关实验视频

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Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
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在受控热负荷下的地下电缆周围的空间土壤温度测量数据.

Shahbaz Ahmad1,2, Zarghaam Haider Rizvi1,3, Frank Wuttke1

  • 1University of Kiel, Germany.

Data in brief
|February 25, 2026
PubMed
概括

这项研究提供了围绕模拟地下电力电缆的详细土壤温度数据集. 数据捕捉了各种加热条件下的热行为,用于未来的研究和开发.

科学领域:

  • 地质技术工程 地质技术工程
  • 热分析 热分析
  • 实验土壤科学实验土壤科学

背景情况:

  • 了解地下热环境对于电源电缆的性能和安全至关重要.
  • 需要准确的土壤热量数据来建模埋地下基础设施的散热.
  • 现有的数据可能无法完全捕捉动态热负荷条件.

研究的目的:

  • 提供土壤温度领域的全面实验数据集.
  • 调查土壤对来自电缆代表源的稳定状态和循环热负荷的热反应.
  • 为验证地下电缆的热模型提供基准数据.

主要方法:

  • 使用嵌入在干沙中的圆柱形电热器来模拟电源电缆.
  • 在多个辐射和垂直位置使用热电偶收集时间解析的温度数据.
  • 实施了受控的稳定状态 (70°C,90°C) 和循环 (90°C) 取暖模式.

主要成果:

  • 详细的空间和时间解析的土壤温度场被记录下来.
  • 垂直温度梯度和辐射散热模式被捕获.
  • 数据涵盖长期稳定状态和动态循环热负荷.

结论:

关键词:
循环热负荷是指周期性热负荷.能源地质技术 能源地质技术一个大规模的实验室实验.土壤的热反应温度时间序列数据数据.地下电力电缆是地下电力电缆.

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  • 该数据集提供了有价值的洞察力,了解在现实的地下电缆条件下土壤的热行为.
  • 该资源有助于对埋藏电力系统的热模型进行基准测试和改进.
  • 能够进一步研究土壤的热性质和传热机制.