INERTIA

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{{KRCWiki_Variable|
 
{{KRCWiki_Variable|
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This variable is the thermal inertia (in units of J m<sup>-2</sup> s<sup>-1/2</sup> K<sup>-1</sup>) of the upper material.  Layer 1 is the atmosphere.  This material property begins at layer 2 and continues until it is switched at the layer set by the variable "[[IC]]".
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This variable is the thermal inertia of the upper material.
 
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Arguments: A value, a filename and file type.
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J m<sup>-2</sup> s<sup>-1/2</sup> K<sup>-1</sup>
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Return Value: none.  A file is written to disk.
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[[Syntax]]: export(object &#61; VAL, filename &#61; STRING, type &#61; TYPE [, force &#61; 1])
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1 3
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Layer 1 is the atmosphere.  This material property begins at layer 2 and continues until it is switched at the layer set by the variable "[[IC]]".
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1000
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*[[IC]]
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*[[COND]]
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*[[SpHeat]]
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*[[COND2]]
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2.3.2
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}}
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[[Category:Variables]]
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<span id="{{{1}}}"></span>
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<div style="background:#f9f9f9; padding:0px; border:1px solid #aaaaaa; margin-bottom:.5em;">
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<div style="font-size:125%; line-height:120%; padding:1px; padding-left:2px; background-color:#eeeeee; border-bottom:1px solid #aaaaaa;">
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'''Parameter Variable and Physical Definition'''
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</div>
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<div style="background:#ffffff; padding:0.8em 0.4em 0.8em 0.4em; font-size:95%;border-bottom:1px solid #aaaaaa;">
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'''Surface Thermal Inertia:''' The reluctance of a material to change temperature through heat transfer.
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</div>
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</div>
 
   
 
   
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The export() function copies data to a file.  The value of type specifies the type of file written, and is one of:
 
 
   
 
   
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*specpr  - SpecPR
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<span id="{{{1}}}"></span>
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*vicar  - Vicar grayscale
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<div style="background:#f9f9f9; padding:0px; border:1px solid #aaaaaa; margin-bottom:.5em;">
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*grd    - USGS Grid
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<div style="font-size:125%; line-height:120%; padding:1px; padding-left:2px; background-color:#eeeeee; border-bottom:1px solid #aaaaaa;">
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*pgm    - Pbmplus 8-bit grayscale
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'''Davinci Usage'''
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*ppm    - Pbmplus 24-bit true-color
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</div>
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*isis    - [[PDS]]/[[ISIS]]
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<div style="background:#ffffff; padding:0.8em 0.4em 0.8em 0.4em; font-size:95%;border-bottom:1px solid #aaaaaa;">
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*ascii  - Columnar ascii matrix
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:'''Definition:'''
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*imath  - Imath format
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::*Thermal Inertia Value of the top layer of the surface
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*ers    - ER Mapper Raster
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:'''Values:'''
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*gif    - Compuserve GIF format
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*tiff    - Tagged Image File Format
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*jpeg    - Joint Photographic Experts Group
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*png    - Portable Network Graphics
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*bmp    - Microsoft Bitmap
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*raw    - Binary output, no header
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If the force keyword is included, then any existing file of the same name is overwritten.  Without this keyword, the write is aborted if the filename already exists.
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::*Input = Real Value Parameter
 
   
 
   
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Notes:
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::*Units: J m<sup>-2</sup> s<sup>-1/2</sup> K<sup>-1</sup>
 
   
 
   
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The standard graphics formats (GIF, TIFF, JPEG, PNG, BMP, PPM), all expect either 1 or 3 band, byte images.  A 3-band image is interpreted to be a red band, a green band and a blue band.
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::*Range = Greater than 0
 
   
 
   
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The PGM and GRD formats can not handle multiplane data.
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::*Default Value = Value from 2 ppd TES
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:'''Input Parameter Name:'''
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::*INERTIA
 
   
 
   
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The ERS format produces two files, one named "path", containing the raw raster data, and another named "path.ers", containing the ERS header.  This is the standard for ERS files.
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:'''Related Parameters:'''
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::*[[Mat1|Mat1]]
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dv> a
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345x200x10 array of float, bsq format [2,760,000 bytes]
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  dv> export(a,"exported_data.cub",type&#61;vicar,force&#61;1)
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::*[[Por1|Por1]]
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</div>
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</div>
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*[[write]]
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*[[filetype]]
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<span id="{{{1}}}"></span>
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*[[read]]
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<div style="background:#f9f9f9; padding:0px; border:1px solid #aaaaaa; margin-bottom:.5em;">
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<div style="font-size:115%; line-height:120%; padding:1px; padding-left:2px; background-color:#eeeeee; border-bottom:1px solid #aaaaaa;">
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'''KRC Usage'''
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}}
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</div>
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<div style="background:#ffffff; padding:0.8em 0.4em 0.8em 0.4em; font-size:95%;border-bottom:1px solid #aaaaaa;">
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:'''Definition:'''
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::*Surface Thermal Inertia
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:'''Values:'''
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::*Input = Real Value Parameter in F10.2 FORTRAN format
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::::i.e. Floating point value, with a field width of 10, including leading blank spaces, plus or minus sign, decimal point and 2 integers after the decimal point.
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::*Units: Same as Davinci
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::*Range = Greater than 0
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::*Default Value = 200.0
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:'''Input Parameter Name:'''
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::*Same as Davinci ''(Old Parameter Name Listed in Helplist as: SKRC)''
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:'''Related Parameters:'''
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::*[[DENSITY|DENSITY]]
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::*[[SPEC_HEAT|SPEC_HEAT]]
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:'''Example:'''
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:::''See the default master input file as an example:'' [http://krc.mars.asu.edu/images/e/e5/master.inp.pdf master.inp]
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</div>
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</div>
  
  
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[[Category:Variables]]
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[[Category:Parameter Glossary]][[Category:Real Value Parameter]]

Latest revision as of 16:18, 19 July 2017

Description

This variable is the thermal inertia of the upper material.

Units - Change Card Index

Units: J m-2 s-1/2 K-1

Change Card Index: 1 3

Usage

Layer 1 is the atmosphere. This material property begins at layer 2 and continues until it is switched at the layer set by the variable "IC".

Example Value

1000

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Related Variables

Supported under version: 2.3.2

Parameter Variable and Physical Definition

Surface Thermal Inertia: The reluctance of a material to change temperature through heat transfer.


Davinci Usage

Definition:
  • Thermal Inertia Value of the top layer of the surface
Values:
  • Input = Real Value Parameter
  • Units: J m-2 s-1/2 K-1
  • Range = Greater than 0
  • Default Value = Value from 2 ppd TES
Input Parameter Name:
  • INERTIA
Related Parameters:


KRC Usage

Definition:
  • Surface Thermal Inertia
Values:
  • Input = Real Value Parameter in F10.2 FORTRAN format
i.e. Floating point value, with a field width of 10, including leading blank spaces, plus or minus sign, decimal point and 2 integers after the decimal point.
  • Units: Same as Davinci
  • Range = Greater than 0
  • Default Value = 200.0
Input Parameter Name:
  • Same as Davinci (Old Parameter Name Listed in Helplist as: SKRC)
Related Parameters:
Example:
See the default master input file as an example: master.inp
Retrieved from "https://krc.mars.asu.edu/index.php?title=INERTIA&oldid=1361"
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