• 作者： Huang, Meng-Cheng; Chen, Sih-Li
• 中文摘要： 本研究利用實驗方法測試不同幾何參數的噴射壓縮器,再依性能曲線的分布,加以探討幾何參數與操作條件對噴射式冷氣系統之噴射壓縮器性能的影響,主要比較的幾何參數有主噴嘴喉部面積、主噴嘴位置以及等截面區長度。結果發現在不同的操作條件下,噴射壓縮器存在有較佳的幾何參數。本文並利用實驗結果來驗證Munday的副流體有效面積理論,最後將幾何參數與副流體有效面積對噴射壓縮器性能的影響做一綜合性的分析,俾以提供設計高性能噴射壓縮器的參考。
• 英文摘要： This article experimentally investigates the ejector performance in a jet refrigeration system. From the test of different geometry ejectors, the ejector performance curves are obtained. The main geometry variables of the ejector are the throat area, the location of the main nozzle, and the length of the constant-area section. The results show that superior ejector geometry parameters exist for various operating conditions. On the basis of the experimental results, several important features of ejector performance characteristics are summarized. This research also provides evidences to support Munday and Bagster's theory of the secondary fluid effective area. An overall analysis of how geometry variables and the effective area of the secondary fluid may affect the performance of an ejector is presented for reference in ejector design.
• 中文關鍵字： 噴射器; 幾何參數; 伴隨比; 有效面積比; 噴射式冷氣系統; 性能; 二次流體; 操作條件
• 英文關鍵字： Ejector; Geometry Parameter; Entrainment Ratio; Effective Area Ratio; Jet Refrigeration System; Performance; Secondary Fluid; Operating Condition