A Low Temperature Thermal Measurement System for Undergraduate Students

克里斯托弗纽波特学院物理系将建立 测量材料热性能的实验室 在低温下。 该项目有两个目的。 它将 提供工业质量的设备，老年人可以设计 系统，给他们的关键经验与原则教导， 数字电子课程。 此外，通过使用该系统， 学生将通过实验研究低温现象 他们在热力学基础课程中学习过的 现代物理学和固态。 所要求的设备包括 温度控制器、数字仪表和电流源，以及 扩散泵 该设备将与 封闭循环氦制冷机，局里已经有了 与 自动化系统学生将测量电阻率和比热， 温度范围为10-300开尔文。

The Department of Physics at Christopher Newport College will establish a laboratory for the measurement of the thermal properties of materials at low temperatures. The aim of the project is twofold. It will provide industrial-quality equipment with which seniors can design the system, giving them critical experience with the principles taught in their digital electronics courses. Furthermore, by using this system, students will investigate experimentally the low temperature phenomena that they have studied in their fundamental courses in thermodynamics, modern physics and solid state. The requested equipment includes a temperature controller, digital meters and current sources, and a diffusion pump. The equipment will be used in conjunction with a closed-cycle helium refrigerator the department already owns. With the automated system students will measure resistivity and specific heat in the temperature range of 10-300 Kelvin.