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Pitz Daily Test Case temperature measurements

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Old   May 8, 2006, 10:09
Default Dear all, I am interested i
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Daniele Panara
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Dear all,

I am interested in the Pitz Daily test case. And in particular in temperature profiles.

I have noticed that in the paper of Weller et al. (27th Symposium on Combustion,1998, pg 899-907) the numerical temperature profiles are compared with experimental data from Pitz and Daily (AIAA Journal 21-11,1983 pg 1565-1570), but in the above mentioned article I could not find any temperature measurements.

Do temperature measurements for the Pitz Daily case exist? if yes what is the right reference?

Thanks in advance,

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Old   May 9, 2006, 13:16
Default I am also interested in the Pi
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I am also interested in the PitzDaily case.

I run the Xoodles\pitzDaily3D, use the default 'combustionProperties' value.
and run Xoodles\pitzDaily, set 'ignite' is 'yes',but the two cases do not ignite and combustion. when I increase the value of 'strength' of 'ignitionSites' to 200, the cases ignite,but reach error soon,
"attempt to use janafThermo<equationofstate> out of temperature range 200 -> 5000; T = 192.877 "

I wonder how to run the cases pitzDaily3D and pitzDaily with combustion? what are the meaning of the following Properties? when 'strength' is '2', means how high temperature? and what is the 'ignitionSphereFraction' , 'ignitionThickness' and 'ignitionKernelArea' ?

thanks !




location (0 0 0);
diameter 0.003;
start 0;
duration 0.001;
strength 2;

ignitionSphereFraction 1;

ignitionThickness ignitionThickness [0 1 0 0 0 0 0] 0;

ignitionCircleFraction 0;

ignitionKernelArea ignitionKernelArea [0 2 0 0 0 0 0] 0;

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Old   March 22, 2007, 04:00
Default Any News here ?
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