Reformat asm constants

reactor.html

@@ -102,6 +102,19 @@
             } else {
                 $(".PFR").show();
             }
+
+            const updateDx = () => {
+                const length = parseFloat($("#node-input-length").val()) || 0;
+                const resolution = parseFloat($("#node-input-resolution_L").val()) || 1;
+                const dx = resolution > 0 ? (length / resolution).toFixed(6) : "N/A";
+                $("#dx-output").text(dx + " m");
+            };
+
+            // Set up event listeners for real-time updates
+            $("#node-input-length, #node-input-resolution_L").on("change keyup", updateDx);
+            
+            // Initial calculation
+            updateDx();
         },
         oneditsave: function() {
             // save logger fields
@@ -144,6 +157,10 @@
         <label for="node-input-resolution_L"><i class="fa fa-tag"></i> Resolution</label>
         <input type="text" id="node-input-resolution_L" placeholder="#">
     </div>
+    <div class="form-row PFR">
+        <label for="node-input-dx"><i class="fa fa-tag"></i> dx (length / resolution) [m]</label>
+        <span id="dx-output" style="display: inline-block; padding: 8px; font-weight: bold; color: #333;">--</span>
+    </div>
     <h3> Internal mass transfer calculation (optional) </h3>
     <div class="form-row">
         <label for="node-input-kla"><i class="fa fa-tag"></i> kLa [d-1]</label>

src/reaction_modules/asm3_class Koch.js

@@ -7,17 +7,7 @@ const ASM_CONSTANTS = {
   NUM_SPECIES: 13
 };
 
-/**
- * ASM3 class for the Activated Sludge Model No. 3 (ASM3). Using Koch et al. 2000 parameters.
- */
-class ASM3 {
-
-  constructor() {
-    /**
-     * Kinetic parameters for ASM3 at 20 C. Using Koch et al. 2000 parameters.
-     * @property {Object} kin_params - Kinetic parameters
-     */
-    this.kin_params = {
+const KINETIC_CONSTANTS = {
   // Hydrolysis
   k_H:      9.,   // hydrolysis rate constant       [g X_S g-1 X_H d-1]
   K_X:      1.,   // hydrolysis saturation constant [g X_S g-1 X_H] 
@@ -42,13 +32,9 @@ class ASM3 {
   K_A_HCO:  0.5,  // saturation constant S_HCO      [mole HCO3 m-3]
   b_A_O:    0.20, // aerobic respiration rate       [d-1]
   b_A_NO:   0.10  // anoxic respiration rate        [d-1]
-    };
+};
 
-    /**
-     * Stoichiometric and composition parameters for ASM3. Using Koch et al. 2000 parameters.
-     * @property {Object} stoi_params - Stoichiometric parameters
-     */
-    this.stoi_params = {
+const STOICHIOMETRIC_CONSTANTS = {
   // Fractions
   f_SI:     0.,   // fraction S_I from hydrolysis   [g S_I g-1 X_S]
   f_XI:     0.2,  // fraction X_I from decomp X_H   [g X_I g-1 X_H]
@@ -75,7 +61,25 @@ class ASM3 {
   // Composition (charge)
   i_cNH:    1/14, // charge per S_NH                [mole H+ g-1 NH3-N]
   i_cNO:   -1/14  // charge per S_NO                [mole H+ g-1 NO3-N]
-    };
+};
+
+/**
+ * ASM3 class for the Activated Sludge Model No. 3 (ASM3). Using Koch et al. 2000 parameters.
+ */
+class ASM3 {
+
+  constructor() {
+    /**
+     * Kinetic parameters for ASM3 at 20 C. Using Koch et al. 2000 parameters.
+     * @property {Object} kin_params - Kinetic parameters
+     */
+    this.kin_params = KINETIC_CONSTANTS;
+
+    /**
+     * Stoichiometric and composition parameters for ASM3. Using Koch et al. 2000 parameters.
+     * @property {Object} stoi_params - Stoichiometric parameters
+     */
+    this.stoi_params = STOICHIOMETRIC_CONSTANTS;
 
     /**
      * Temperature theta parameters for ASM3. Using Koch et al. 2000 parameters.
@@ -215,4 +219,4 @@ class ASM3 {
   }
 }
 
-module.exports = { ASM3, ASM_CONSTANTS };
+module.exports = { ASM3, ASM_CONSTANTS, KINETIC_CONSTANTS, STOICHIOMETRIC_CONSTANTS };

src/reaction_modules/asm3_class.js

@@ -7,17 +7,7 @@ const ASM_CONSTANTS = {
   NUM_SPECIES: 13
 };
 
-/**
- * ASM3 class for the Activated Sludge Model No. 3 (ASM3).
- */
-class ASM3 {
-
-  constructor() {
-    /**
-     * Kinetic parameters for ASM3 at 20 C.
-     * @property {Object} kin_params - Kinetic parameters
-     */
-    this.kin_params = {
+const KINETIC_CONSTANTS = {
   // Hydrolysis
   k_H:      3.,   // hydrolysis rate constant       [g X_S g-1 X_H d-1]
   K_X:      1.,   // hydrolysis saturation constant [g X_S g-1 X_H] 
@@ -42,13 +32,9 @@ class ASM3 {
   K_A_HCO:  0.5,  // saturation constant S_HCO      [mole HCO3 m-3]
   b_A_O:    0.15, // aerobic respiration rate       [d-1]
   b_A_NO:   0.05  // anoxic respiration rate        [d-1]
-    };
+};
 
-    /**
-     * Stoichiometric and composition parameters for ASM3.
-     * @property {Object} stoi_params - Stoichiometric parameters
-     */
-    this.stoi_params = {
+const STOICHIOMETRIC_CONSTANTS = {
   // Fractions
   f_SI:     0.,   // fraction S_I from hydrolysis   [g S_I g-1 X_S]
   f_XI:     0.2,  // fraction X_I from decomp X_H   [g X_I g-1 X_H]
@@ -75,7 +61,25 @@ class ASM3 {
   // Composition (charge)
   i_cNH:    1/14, // charge per S_NH                [mole H+ g-1 NH3-N]
   i_cNO:   -1/14  // charge per S_NO                [mole H+ g-1 NO3-N]
-    };
+};
+
+/**
+ * ASM3 class for the Activated Sludge Model No. 3 (ASM3).
+ */
+class ASM3 {
+
+  constructor() {
+    /**
+     * Kinetic parameters for ASM3 at 20 C.
+     * @property {Object} kin_params - Kinetic parameters
+     */
+    this.kin_params = KINETIC_CONSTANTS;
+
+    /**
+     * Stoichiometric and composition parameters for ASM3.
+     * @property {Object} stoi_params - Stoichiometric parameters
+     */
+    this.stoi_params = STOICHIOMETRIC_CONSTANTS;
 
     /**
      * Temperature theta parameters for ASM3.
@@ -215,4 +219,4 @@ class ASM3 {
   }
 }
 
-module.exports = { ASM3, ASM_CONSTANTS };
+module.exports = { ASM3, ASM_CONSTANTS, KINETIC_CONSTANTS, STOICHIOMETRIC_CONSTANTS };