Abstract

A vertically loaded cryostat with a shaft diameter of 80 mm based on a GM SRDK415D cryocooler for operation in the temperature range of 4–300 K is described. This cryostat can operate both in vertical and horizontal positions, almost without losing the final temperature. The time-temperature curves of the sample chamber in the temperature range of 4–150 K in the vertical and horizontal positions of the cryostat are presented. The temperature is adjusted using the controller. Before the experiment, the 25-mbar pressure of heat exchange helium gas is set in the shaft. The cryostat is designed for operation at the NERA spectrometer of the IBR-2 reactor at the Laboratory of Neutron Physics of the Joint Institute for Nuclear Research.

中文翻译：

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基于GM低温制冷器的轴低温恒温器及其性能

摘要

描述了一种基于GM SRDK415D低温冷却器，轴直径为80 mm的垂直加载的低温恒温器，该低温恒温器在4–300 K的温度范围内运行。该低温恒温器可以在垂直和水平位置工作，几乎不会损失最终温度。给出了低温恒温器垂直和水平位置在4–150 K温度范围内样品室的时间-温度曲线。使用控制器调节温度。实验之前，将竖井中25毫巴的热交换氦气压力设置好。低温恒温器设计用于在联合核研究所的中子物理实验室的IBR-2反应堆的NERA光谱仪上运行。