A Thermosyphon Heat Pipe (THP) is an effective heat transfer device primarily deployed in the field of energy conversion and heat recovery systems. Among the various working fluids, deionized (DI) water exerts higher latent heat of vaporization making it suitable for efficient performance testing of THPs. The novel design of a THP in a non-uniform geometry-based truncated cone structure is suggested to recover waste heat from various sources. A detailed parametric study is carried out on the non-uniform structure THPs to analyze the thermal performance. This study examines the thermal performance of the Convergent Truncated Cone (CTC) THP and the effect of modifying the influencing factors of its diameter, length, heat flux, inclinations, and mass flow rate. Based on the experimental results, it is seen that the CTC helps to reduce the overall thermal resistance by 48.94 %, 35.15 %, and 34.69 % for 90°, 60°, and 30° inclinations, respectively. Similarly, the temperature difference between the evaporator and the adiabatic sections shows an average thermal resistance reduction of 36.38 %, 30.3 %, and 55.82 % under the same operating conditions. Additionally, the results of the current investigation indicate that there are two positive outcomes for the supplied heat input range of 30–300 W. It is observed that the THP is 2.54 % more efficient than a conventional THP at an angle of 90° for a heat input range of 30–150 W. The maximum augmentation of thermal efficiency is noted to be 4.12 % and is attained at 30° inclination for the input range of 180–300 W.

热虹吸热管 (THP) 是一种有效的传热装置，主要用于能量转换和热回收系统领域。在各种工作流体中，去离子 (DI) 水具有较高的汽化潜热，使其适用于 THP 的高效性能测试。建议采用基于非均匀几何形状的截锥结构的 THP 的新颖设计，以从各种来源回收废热。对非均匀结构 THP 进行了详细的参数研究，以分析热性能。本研究考察了会聚截锥 (CTC) THP 的热性能以及修改其直径、长度、热通量、倾斜度和质量流量等影响因素的效果。根据实验结果，可以看出，对于 90°、60° 和 30° 倾斜，CTC 有助于将总热阻分别降低 48.94%、35.15% 和 34.69%。同样，蒸发器和绝热段之间的温差表明，在相同的操作条件下，平均热阻降低了 36.38%、30.3% 和 55.82%。此外，当前调查的结果表明，对于 30–300 W 的热输入范围，有两个积极的结果。据观察，THP 在 90° 角下的效率比传统 THP 高 2.54%热输入范围为 30-150 W。热效率的最大增加量为 4.12%，并且在 180-300 W 的输入范围内以 30° 倾斜获得。分别。同样，蒸发器和绝热段之间的温差表明，在相同的操作条件下，平均热阻降低了 36.38%、30.3% 和 55.82%。此外，当前调查的结果表明，对于 30–300 W 的热输入范围，有两个积极的结果。据观察，THP 在 90° 角下的效率比传统 THP 高 2.54%热输入范围为 30-150 W。热效率的最大增加量为 4.12%，并且在 180-300 W 的输入范围内以 30° 倾斜获得。分别。同样，蒸发器和绝热段之间的温差表明，在相同的操作条件下，平均热阻降低了 36.38%、30.3% 和 55.82%。此外，当前调查的结果表明，对于 30–300 W 的热输入范围，有两个积极的结果。据观察，THP 在 90° 角下的效率比传统 THP 高 2.54%热输入范围为 30-150 W。热效率的最大增加量为 4.12%，并且在 180-300 W 的输入范围内以 30° 倾斜获得。