aspen问题求助!~? 模拟结果可以出来 但是有警告 调了好多都不行 问题在哪儿呢? “FEED STREAMS ARE NOT REFLASHED AT COLUMN PRESSURE DURING PRESSURE UPDATING CALCULATIONS. USING "FEED-CONV=ON-STAGE" FOR MIXED-PHASE FEEDS IS RECOMMENDED.”查看更多1个回答 . 1人已关注
Aspen自带的NH3、CO2数据包中引入呋喃做水吸收模拟缺少 ...? 我在做水吸收含少量CO2、 呋喃 的模拟,用的是aspen自带的数据包,又添加了呋喃组分,可是在模拟的时候会出现以下错误:[img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\693105031\QQ\WinTemp\RichOle\[P(Y6{)3]4NXU(CCRNQ[08R.png[/img] Block: B1 Model: RADFRAC HENRY CONSTANT MODEL HENRY1 HAS MISSING PARAMETERS. PLEASE PROVIDE THE MISSING PARAMETERS FOR MAJOR SOLVENTS. THIS ERROR MAY OCCUR BECAUSE THE STREAM IS ALL VAPOR, BUT VLE CALCULATION IS REQUESTED. TRY SPECIFY VALID-PHASES=VAPOR-ONLY HENRY/1ST ELEMENT (DATA SET 1) MISSING FOR SUPERCRITICAL COMPONENT FURAN WITH ALL SOLVENTS: H2O *** SEVERE ERROR IN PHYSICAL PROPERTY SYSTEM ATTEMPTS TO CALCULATE INFINITE DILUTION PROPERTIES OF FURAN IN WATER HAVE FAILED. YOU MUST SUPPLY EITHER DHAQFM, DGAQFM AND CPAQ0, OR HENRY S CONSTANT PARAMETERS (HENRY). ****PROPERTY PARAMETER ERROR ERRORS ENCOUNTERED IN CALCULATION OF LIQUID MIXTURE MOLAR ENTHALPY USING OPTION SET SYSOP15 FOR H 貌似是没有呋喃溶于水的一些数据吧,请问该怎么解决呢?用物性估算了下也没发现能得到这些数据,现在老板催的急,希望能 得到大家的帮助。 ps1附件是7.2版的 ps2我打算实在不行用N2来代替呋喃模拟,但又因呋喃量很少,只有3%左右,有可能会被水吸收而N2是会从塔顶逸出的,如果 有做过类似模拟的朋友可以一起探讨。 查看更多37个回答 . 1人已关注