航行体水下排气的热特征及影响因素分析  

Research on thermal characteristics and influencing factors of underwater exhaust of submersible

作　　者：袁江涛[1] 王坤 孙彬 张鑫[1] YUAN Jiang-tao;WANG Kun;SUN Bin;ZHANG Xin(Naval Submarine Academy,Qingdao 266199,China)

机构地区：[1]海军潜艇学院

出　　处：《舰船科学技术》2020年第1期51-55,共5页Ship Science and Technology

基　　金：海军潜艇学院青年科研基金资助项目

摘　　要：针对航行体水下排气热暴露问题,用Euler-Lagrange方法建立了数理计算模型,采用计算流体力学与计算传热学方法进行数值模拟,研究了航行体水下排气时的排气温度、航行速度、排气流量和海水温度等因素对海面热特征的影响。分析表明,降低航行体排气流量、提高航行速度、降低排气温度,均有利于降低航行体水下运动时的热特征,环境海水温度的变化对海面热特征的影响不大。Aiming at the problem of underwater exhaust heat exposure of submersibles, the mathematical calculation model was established by Euler-Lagrange method. Based on the computational fluid mechanics and the computational heat transfer method, the changes of the exhaust gas temperature, the submersibles speed, exhaust gas flow rate and the temperature of the sea water on the thermal characteristic were analyzed. Results show that it is advantaged for the submersibles by reducing the exhaust gas flow rate, enhancing the submersibles speed, reducing the exhaust gas temperature. The thermal characteristic of underwater exhaust gas is not sensible to the changes of the sea water temperature.

关 键 词：多相流 排气 热特征 影响 

分 类 号：U664[交通运输工程—船舶及航道工程]