# mash_calcs: Mash temperature calculator In whanrott/fermentR: Converters and Calculators for Brewing and Fermentation

## Description

Use `mash_calc` to calculate mash composition when brewing beer. Use `strike` to calculate the strike temperature for hot liquor to achieve a given mash temperature. The word liquor is used here in the brewing sense to mean water which is mixed into the mash.

## Usage

 ```1 2 3 4 5 6``` ```mash_calcs(ml = NA, mg = NA, tm = NA, tl = NA, tg = NA, shl = 1, shg = 0.4) strike(ml, mg, tm, tg) step_mash_by_boiling(ml, mg, tm, tg) ```

## Arguments

 `ml` mass of liquor in Kg (or volume in L) `mg` mass of grist in Kg `tm` temperature of mash in degrees C after mixing `tl` temperature of liquor in degrees C before mixing `tg` temperature of grist in degrees C before mixing `shl` specific heat of liquor relative to pure water. Defaults to 1.0 `shg` specific heat of grist relative to the liquor. Defaults to 0.4 `shw` specific heat of pure water. This is 4.181kJ/Kg/K

## Value

the missing variable in the equation tm=(shl*tl*ml+shg*tg*mg)/(shl*ml+shg*mg)

## References

Lewis MJ, Young, TW. (2001). Brewing, 2nd Edition. Klewer Academic / Plenum Publishers

B.K Bala & J.L Woods (1991) "Physical and Thermal Properties of Malt", Drying Technology, 9:4, 1091-1104, DOI: 10.1080/07373939108916735

"Feel the Mash Heat", BYO Magazine, Sept 1997. http://byo.com/stories/item/627-feel-the-mash-heat

## Examples

 ```1 2 3 4 5 6``` ```# calculate temperature of liquor when mashing in mash_calcs(ml = 5, mg = 5, tm = NA, tl = 80, tg = 20) # calculate strike temperature mash_calcs(5,5,63,NA,20) # calculate strike temperature strike(5,5,63,20) ```

whanrott/fermentR documentation built on May 4, 2019, 5:22 a.m.