Last week to Enter the Spike Brewing 20 Gallon Sight Glass Kettle Giveaway!

Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Help needed with an equation
LinkBack Thread Tools
Old 03-31-2005, 11:09 AM   #1
Feedback Score: 0 reviews
Join Date: Mar 2005
Posts: 2
Default Help needed with an equation


I'm currently gearing up to go AG and am expanding my own brewing software that I have written in VBA with MS-Access. I have discovered that I need an equation/algorithm to calculate the required temperature (either farenheit or celsuis) of a set volume of hot liquor (say 20 litres) to a mash that is currently at 60 degrees celsuis and contains 30 litres HL and 24KG of grain. I have Palmers equations to calculate the volume of water to add of a
given temperature, but, what I am looking for is an algorithm to calculate what temperature a set volume of water is required to be to reach a desired target temperature.

I have Palmer's equation to calculate the amount of hot liquor given the temperature of it, which is as follows:

Initial Infusion Temp equation
Strike Water Temp TW = (0.2/r)(T2 - T1) + T2

Mash Infusion Temp equation
WA = (T2 - T1)(.2G + Wm)/(Tw - T2)


r = The ratio of water to grain
WA = The amount of water to add
Wm = The total amount of water in the mash
T1 = Teh initial temp of the mash
T2 = The target temp of the mash
Tw = The actual temp of the infusion water (Hot Liquor)
G = The amount of grain in the mash

What I need is an equation/algorithm to calculate the temperature what the temperature of a set volume of Hot Liquor

needs to be to reach a desired rest temperature.


hopeye is offline
Reply With Quote Quick reply to this message

Quick Reply
Thread Tools

Similar Threads
Thread Thread Starter Forum Replies Last Post
Propane Tank Math Equation Lodovico All Grain & Partial Mash Brewing 26 10-16-2009 03:50 PM
equation for c02/line length/ beer temp mcr122 Bottling/Kegging 3 02-07-2009 02:30 PM
equation for dinner for2 alex_wilkosz Cooking & Pairing 2 11-04-2008 03:01 PM
Help Needed:) nanonot Kegerators and Keezers 2 10-01-2008 04:44 AM
Need help figuring out this equation please! RotorHead6 Recipes/Ingredients 2 02-09-2008 02:52 PM

Newest Threads