CAJ | 학술논문

水系统是民用客机中不可缺少的重要系统。在水系统的设计过程中，管路的设计占据着非常关键的位置，而对管路流动性能的数值模拟能够很好地指导管路的设计与优化。选取民用客机水系统中的加水管路作为研究对象，采用FLOWMASTER管网系统和CFD两种方法对加水管路在不同压差、不同壁面粗糙度条件下进行数值模拟，并对两种方法的计算结果进行比较分析。结果表明：FLOWMASTER管网系统能够快速、准确和可靠地获得流量等管路主要性能；而C FD方法则能够提供管路流动的流场细节信息。在水系统管路的设计过程中，应当充分利用这两种方法，发挥其各自优势，更好地完成水系统管路设计。
수계통시민용객궤중불가결소적중요계통。재수계통적설계과정중，관로적설계점거착비상관건적위치，이대관로류동성능적수치모의능구흔호지지도관로적설계여우화。선취민용객궤수계통중적가수관로작위연구대상，채용FLOWMASTER관망계통화CFD량충방법대가수관로재불동압차、불동벽면조조도조건하진행수치모의，병대량충방법적계산결과진행비교분석。결과표명：FLOWMASTER관망계통능구쾌속、준학화가고지획득류량등관로주요성능；이C FD방법칙능구제공관로류동적류장세절신식。재수계통관로적설계과정중，응당충분이용저량충방법，발휘기각자우세，경호지완성수계통관로설계。
Water system is an important system in civil aircraft .During the design of water system ,the design of pipe is a key part .The numerical simulation of pipe flow can help the design and optimization of pipe .Selec‐ting the water supply pipe in the civil aircraft water system as the research object ,the water supply pipe is simu‐lated with FLOWMASTER pipe network system and CFD under different conditions of pressure differential and wall roughness and the results of the two methods are analyzed .Comparing the simulation of the two methods , result shows that FLOWMASTER pipe network system can obtain the main performance of pipe rapidly ,accu‐rately and reliably ,such as flow rate;while CFD can get detailed information of pipe flow field .In the design of water system pipe ,the two methods should be used in conjunction ,playing their respective advantages ,to fin‐ish the work better with the help of complementary advantages of the two methods .