[gradsusr] script for moist static energy
Rashed Mahmood
rashidcomsis at gmail.com
Wed Dec 8 01:20:37 EST 2010
Jeff
Thank you so much
Rashed
On Wed, Dec 8, 2010 at 10:16 AM, Rashed Mahmood <rashidcomsis at gmail.com>wrote:
> Hi Jeff
>
> Thanks,,it surely helps...
> For further confirmation:
> heat of phase change= 2257 kJ/kg ?
>
> and the final units would be kJ/kg ?
>
> is that correct?
>
> Thanks again
>
> Rashed
>
>
>
> On Tue, Dec 7, 2010 at 11:28 PM, Jeffrey Duda <jdduda at iastate.edu> wrote:
>
>> Rashed,
>> The equations for moist and dry static energy are quite simple and all you
>> need to do to compute them is run this line:
>>
>> 'define dse = gravity*height + Cp*T' (for dry static energy)
>> 'define mse = dse + L*q' (for moist static energy)
>>
>> where "gravity" and "height" represent variables for the gravitational
>> constant (9.8 m/s2) and geopotential height, Cp = 1005 J/Kg*K is the heat
>> constant for dry air at constant pressure, T is temperature (in K), L is
>> heat of phase change (generally vaporization), and q is moisture quantity
>> (mixing ratio).
>>
>> Hope this helps.
>>
>> Jeff Duda
>>
>> On Tue, Dec 7, 2010 at 4:12 AM, Rashed Mahmood <rashidcomsis at gmail.com>wrote:
>>
>>> Hi all
>>>
>>> Did anyone calculate moist static energy and/or dry static energy.
>>> If yes, can you please share the script(s) related to it.
>>>
>>> Thanks
>>>
>>> Rashed
>>>
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>>>
>>>
>>
>>
>> --
>> Jeff Duda
>> Iowa State University
>> Meteorology Graduate Student
>> 3134 Agronomy Hall
>> www.meteor.iastate.edu/~jdduda
>>
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>>
>
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