含盐及离子液体体系三元液液相平衡的回归模拟出错!欢迎 ...? 新手,最近在学习使用Aspen 做含盐及离子液体体系三元液液相平衡的回归模拟,参考了马友的方法,但是由于体系比较复杂,自己定义了离子液体,也按照电解质助手确定了相应的离子种类,但是运行的时候依旧出现以下的问题,希望各位马友帮忙看看,欢迎交流讨论! << Loading Simulation Engine 10:03:23 Mon Oct 27, 2014>> ->Processing input specifications ... THE PAIR PARAMETERS FOR ELECNRTL OPTION SET HAS BEEN RETRIEVED FROM DATABANK ENRTL-RK. INFORMATION PURE COMPONENT PARAMETERS FOR SOME COMPONENTS ARE RETRIEVED FROM DATABANK. THESE PARAMETERS ARE USED WITH THE ELECNRTL OPTION SET UNLESS YOU ENTER YOUR OWN PARAMETERS IN PROP-DATA PARAGRAPHS. PARAMETER PLXANT RETRIEVED FOR COMPONENT 3 PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT 3 PARAMETER CPAQ0 RETRIEVED FOR COMPONENT SO4-- * WARNING IN PHYSICAL PROPERTY SYSTEM THE FOLLOWING CONVENTIONAL COMPONENTS WERE NOT IN A DATA BANK. CHECK DATA BANK NAMES FOR SPELLING. CID DATA BANK NAME MBP C8H15BF4N2 STRUCTURE FOR COMPONENT 2 HAS NOT BEEN DEFINED. PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES USE THE STRUCTURES PARAGRAPH TO DEFINE STRUCTURES OF THIS COMPONENT. STRUCTURE FOR COMPONENT MBP HAS NOT BEEN DEFINED. PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES USE THE STRUCTURES PARAGRAPH TO DEFINE STRUCTURES OF THIS COMPONENT. STRUCTURE FOR COMPONENT NA+ HAS NOT BEEN DEFINED. PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES USE THE STRUCTURES PARAGRAPH TO DEFINE STRUCTURES OF THIS COMPONENT. STRUCTURE FOR COMPONENT SO4-- HAS NOT BEEN DEFINED. PCES CANNOT USE GROUP-CONTRIBUTION METHODS TO ESTIMATE MISSING PROPERTIES USE THE STRUCTURES PARAGRAPH TO DEFINE STRUCTURES OF THIS COMPONENT. ->Data Regression begins ... BEGIN CASE R-1 TIME = 0.02 STARTING POINT TIME: 0.02 DM-ITER: 1 SSQ: 0.523126E+08 REL CHANGE: 0.145 TIME: 0.02 DM-ITER: 2 SSQ: 0.502015E+08 REL CHANGE: 0.340 TIME: 0.02 DM-ITER: 3 SSQ: 0.496739E+08 REL CHANGE: 1.03 TIME: 0.02 DM-ITER: 4 SSQ: 0.529450E+08 REL CHANGE: 32.5 TIME: 0.03 DM-ITER: 5 SSQ: 0.547549E+08 REL CHANGE: 0.970 TIME: 0.03 DM-ITER: 6 SSQ: 0.548004E+08 REL CHANGE: 0.236 TIME: 0.03 BL-ITER: 7 SSQ: 0.548753E+08 REL CHANGE: 0.773E-01 TIME: 0.03 BL-ITER: 8 SSQ: 0.451409E+12 REL CHANGE: 0.579E-04 TIME: 0.03 FINAL SSQ: 0.517910E+08 *** CANNOT SATISFY CONSTRAINTS *** ** ERROR WHILE EXECUTING DRS CASE: "R-1" CONSTRAINTS CANNOT BE SATISFIED FOR THIS CASE. ** ERROR WHILE EXECUTING DRS CASE: "R-1" DRS RESULTS DO NOT AGREE WITH THREE-PHASE FLASH RESULTS. - RERUN WITH A DIFFERENT SET OF PARAMETER INITIAL VALUES - RECHECK THE DATA IN THE DATA-GROUP PARAGRAPHS - CHECK STD-DEV FOR SPECIFICATIONS THAT ARE TOO LARGE ! Data regression completed with errors 查看更多2个回答 . 2人已关注
换热器前端管箱形式? 换热器 前端管箱有以下几种形式 A 平盖管箱 B 封头管箱 C 用于可拆管束与管板制成一体的管箱 N 与管板制成一体的固定管板管箱 D 高压管 箱 请教:这几种管箱使用的场合 请教:管程脱盐水温度40~104压力8.0MPA 壳程循环水 这种情况用哪种管箱比较合理? 请教:有一种说法是A和C比较适合管程压力高的?查看更多3个回答 . 5人已关注