comparison: www/js/global.js
www/js/global.js
- changeset 713
- 8dae8479d5e8
- parent 697
- 367ae7ff52f0
- child 717
- aad750d942df
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| 712:65da479b5542 | 713:8dae8479d5e8 |
|---|---|
| 1089 function brix_to_fg(OBrix, FBrix) { | 1089 function brix_to_fg(OBrix, FBrix) { |
| 1090 // Brouwhulp, werkt zonder brix_correctie, waarom? | 1090 // Brouwhulp, werkt zonder brix_correctie, waarom? |
| 1091 var FGbh = Round(1.0031 - 0.002318474 * OBrix - 0.000007775 * (OBrix * OBrix) - 0.000000034 * Math.pow(OBrix, 3) + | 1091 var FGbh = Round(1.0031 - 0.002318474 * OBrix - 0.000007775 * (OBrix * OBrix) - 0.000000034 * Math.pow(OBrix, 3) + |
| 1092 0.00574 * (FBrix) + 0.00003344 * (FBrix * FBrix) + 0.000000086 * Math.pow(FBrix, 3), 4); | 1092 0.00574 * (FBrix) + 0.00003344 * (FBrix * FBrix) + 0.000000086 * Math.pow(FBrix, 3), 4); |
| 1093 | 1093 |
| 1094 // from http://seanterrill.com FGoc = old cubix, FGnc = new cubic, FGnl = new linear | 1094 // from http://seanterrill.com FGoc = old cubic, FGnc = new cubic, FGnl = new linear |
| 1095 var OBc = OBrix / my_brix_correction; | 1095 var OBc = OBrix / my_brix_correction; |
| 1096 var FBc = FBrix / my_brix_correction; | 1096 var FBc = FBrix / my_brix_correction; |
| 1097 | 1097 |
| 1098 // Old Cubic, almost the same a BrouwHulp, different offset and with brix_correction. | 1098 // Old Cubic, almost the same a BrouwHulp, different offset and with brix_correction. |
| 1099 var FGoc = Round(1.001843 - 0.002318474 * OBc - 0.000007775 * (OBc * OBc) - 0.000000034 * Math.pow(OBc, 3) + | 1099 var FGoc = Round(1.001843 - 0.002318474 * OBc - 0.000007775 * (OBc * OBc) - 0.000000034 * Math.pow(OBc, 3) + |
| 1105 0.00000727999 * Math.pow(OBc, 3) + 0.0000632929 * Math.pow(FBc, 3), 4); | 1105 0.00000727999 * Math.pow(OBc, 3) + 0.0000632929 * Math.pow(FBc, 3), 4); |
| 1106 | 1106 |
| 1107 // New linear, results are pretty much too high and way off for heavy beers. | 1107 // New linear, results are pretty much too high and way off for heavy beers. |
| 1108 var FGnl = Round(1 - 0.000856829 * OBc + 0.00349412 * FBc, 4); | 1108 var FGnl = Round(1 - 0.000856829 * OBc + 0.00349412 * FBc, 4); |
| 1109 | 1109 |
| 1110 console.log('brix_to_fg(' + Round(OBrix, 2) + ', ' + FBrix + ') FGbh:' + FGbh + ' FGoc:' + FGoc + ' FGnc:' + FGnc + ' FGnl:' + FGnl); | 1110 // Petr Novotny, Zymurgy July/August 2017. Used by Brewers Friend. |
| 1111 var FGbf = Round(1 + 0.006276 * FBc - 0.002349 * OBc, 4); | |
| 1112 | |
| 1113 console.log('brix_to_fg(' + Round(OBrix, 2) + ', ' + FBrix + ') FGbh:' + FGbh + ' FGoc:' + FGoc + ' FGnc:' + FGnc + ' FGnl:' + FGnl + ' FGbf:' + FGbf); | |
| 1111 return FGnc; | 1114 return FGnc; |
| 1112 } | 1115 } |
| 1113 | 1116 |
| 1114 | 1117 |
| 1115 | 1118 |
