Teal life:The smoking valve train story os not representative of teal life.
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Teal life:The smoking valve train story os not representative of teal life.
Nice to see that they finally put the same stuff out for the public that I put together in the early 90s. At that time, the stuff I put together would have been proprietary. I've all the same tools as in the reference including a bunch more. Could model a whole lube oil processing plant to tell where it's limits were for certain feedstocks, etc. All kinds of tools for viscosity, VI, blending, etc.Here is a link to an array of calculators. Good or bad code they work and all you have to is plug in a couple values.
Calculators | Widman International SRL
www.widman.biz
Dan
Glad I have access to the code for the viscosity calculator ... I'm learning a software tool (r/shiny) and this gives me a simple calculator to mimic.Nice to see that they finally put the same stuff out for the public that I put together in the early 90s. At that time, the stuff I put together would have been proprietary. I've all the same tools as in the reference including a bunch more. Could model a whole lube oil processing plant to tell where it's limits were for certain feedstocks, etc. All kinds of tools for viscosity, VI, blending, etc.
dVis = dVis - Exp((-0.7487 - 3.295 * dVis) + 0.6119 * dPt7Sq - 0.3193 * dPt7Cube)
If dVis < 2# Then
dCval = Exp(-1.14883 - 2.65868 * dVis)
End If
If dVis < 1.65 Then
dDval = Exp(-0.0038138 - 12.5645 * dVis)
End If
...
dZval = dVis + 0.7 + dCval - dDval + dEval - dFval + dGval - dHval
astm_d341_vm = Log10(Log10(dZval))