Refine diffuser runtime and tests

diffuser.html

@@ -9,15 +9,16 @@ RED.nodes.registerType('diffuser', {
     i_diff_density: { value: 2.4, required: true },
     i_m_water: { value: 0, required: true },
     alfaf: { value: 0.7, required: true },
+    i_zone_volume: { value: 0, required: false },
     processOutputFormat: { value: 'process' },
     dbaseOutputFormat: { value: 'influxdb' },
     enableLog: { value: false },
     logLevel: { value: 'error' },
   },
   inputs: 1,
-  outputs: 3,
+  outputs: 4,
   inputLabels: ['control'],
-  outputLabels: ['process', 'dbase', 'parent'],
+  outputLabels: ['process', 'dbase', 'reactor control', 'parent'],
   icon: 'font-awesome/fa-tint',
   label: function() {
     return this.name ? `${this.name}_${this.number}` : 'diffuser';
@@ -50,6 +51,10 @@ RED.nodes.registerType('diffuser', {
     <label for="node-input-alfaf"><i class="fa fa-flask"></i> Alfa Factor</label>
     <input type="number" id="node-input-alfaf" step="0.01" min="0">
   </div>
+  <div class="form-row">
+    <label for="node-input-i_zone_volume"><i class="fa fa-cube"></i> Zone Volume</label>
+    <input type="number" id="node-input-i_zone_volume" step="0.1" min="0" placeholder="m3">
+  </div>
   <h3>Output Formats</h3>
   <div class="form-row">
     <label for="node-input-processOutputFormat"><i class="fa fa-random"></i> Process Output</label>