Add dispersion setting in advanced-reactor and initialize axial dispersion to zero in Reactor_PFR

advanced-reactor.js

@@ -78,6 +78,9 @@ module.exports = function(RED) {
                 case "OTR":
                     reactor.setOTR = msg;
                     break;
+                case "Dispersion":
+                    reactor.setDispersion = msg;
+                    break;
                 default:
                     console.log("Unknown topic: " + msg.topic);
             }