Sample Input Data File

 

Data required for processing of case: Transport-Sm

Material Data        :OK

Scenario                 :OK

Tank Data              :OK

Location                                :OK

Reporting              :OK

All required input is specified!

 

___________________________________________________________________________________

Data used for processing of case: Transport-Sm

Material Data:

Material is                                                             LPG

Mass to release                                                    8000        kg

Concentration of interest                                    1.9           %

Scenario:

Source is                                                                Saturated Liquid

Scenario is                                                             Leak

Initial phase is                                                      Liquid

Hole diameter                                                        25            mm

Event frequency                                                   2.5e-007  per yr

Tank Data:

Saturated liq vessel type use                             Pressure

Pressure (g)                                                           5              bar

Calculate time varying release                           Initial Rate

Tank head                                                             1              m

Location:

North Coordinate of Release                              283.01     m

East Coordinate of Release                                234.28     m

Elevation of Release                                            0              m

Surface type is                                                      Concrete

Is release in building?                                         No

Release direction is                                              Horizontal

Reporting:

 

 

SAFETI Micro                      Study: MKT                  16-FEB-2001 11:52

 

 Case   1: Transport-Sm                               Processed by version: 5.2

 

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       Outdoor release of 8000.0 kg of LPG from Saturated Liquid Vessel    

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 ** N.B. ** All concentrations in this report are CENTRE LINE CONCENTRATIONS **

 Distances of interest (m)                                    : None specified               

 Concentration of interest (mol ppm)                : 1.900E+04                    

 

                               SCENARIO: Liquid Leak                         

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 Initial temperature (K)                                        :      312.              

 Initial pressure (bar(g))                                      :      5.00              

 Tank head (m)                                     :      1.00              

 Hole diameter (mm)                                             :      25.0              

 Dike or containment area (sq m)                       : No Dike                

 Surface type                                         : Concrete               

 

                            Blowdown was not calculated                      

 

                              Final state of release                          

 ---------------------------------------------------------------------------------------------------------------------------

 Release rate (kg/s)                                              :      6.80              

 Final velocity (m/s)                                             :      144.              

 Discharge velocity (m/s)                                    :      43.0              

 Release duration (s)                                            :     1.176E+03          

 Final liquid fraction                                             :     0.670              

 Drop size (mm)                                    :     1.700E-02          

 

                                                                           

 

 Height of release (m)                                          :     0.000               

 Release direction                                                 : Horizontal                   

 

 

 

                          +++++++++++++++++++++++++++++

                          +     CONSEQUENCE RESULTS        +

                          +++++++++++++++++++++++++++++

 

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                            POOL VAPORISATION RESULTS       

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        Liquid Pool Results                     2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                      

 Liquid rainout (%)              0.25                         0.21                         

 Total vapour flow rate (kg/s)            6.79                         6.79                          

 Pool vaporisation rate (kg/s)             No pool vap          No pool vap                  

 Maximum pool diameter (m)              No pool vap          No pool vap                  

 

 

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                        DISTANCE - CONCENTRATION RESULTS

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        LPG (mol ppm)              Av.time                 Distance (m)              

                                                (s)                           2.0m/s;F                 4.0m/s;D                   

 ---------------------------------------------------------------------------------------------------------------------------

                                                   

Conc.of interest 19000.00    10.0                         58.93                       45.49                     

 

 

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                        RADIATION EFFECTS: BLEVE/Fireball      

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   No results for this consequence type          

 

 

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                          RADIATION EFFECTS: Jet Flame                   

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     Radiation levels (kW/sq m)                                           Distance (m)                

                                                                                2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                       

 Level:       4.0000                                  94.63                       84.89                        

 Level:      12.5000                                                 80.60                       70.00                        

 Level:      37.5000                                                 68.69                       59.30                        

 

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                          RADIATION EFFECTS: Pool Fire                

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               Pool Fire Distances are radius to radiation level

               plus distance from source to point of rainout

 

     Radiation levels (kW/sq m)                                           Distance (m)                

                                                                                2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                

 Level:       4.0000                                  33.62                       34.82                        

 Level:      12.5000                                                 28.11                       30.23                        

 Level:      37.5000                                 23.25                       25.11                        

 

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                                   FLASH FIRE                                 

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                                                                                2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                            

        Furthest extent (m)                       117.60                     123.80                       

 

 

 

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                                EXPLOSION EFFECTS                           

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           Weather Class                           2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                           

 Early ignition:      mass (kg)                               Same as late          Same as late                 

 Early ignition:      location (m)                           Same as late          Same as late                 

 Late ignition:        mass (kg)                               67.91                       12.78                        

 Late ignition:        location (m)                           110.00                     120.00                       

 

 

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                        EXPLOSION EFFECTS: Early Ignition          

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       Overpressures (bar(g))                                                 Distance (m)                

                                                                                2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                             

 Level:                    0.0207                                     Same as late          Same as late                 

 Level:                    0.1379                                     Same as late          Same as late                 

 Level:                    0.2068                                     Same as late          Same as late                 

 

 ---------------------------------------------------------------------------------------------------------------------------

                        EXPLOSION EFFECTS: Late Ignition            

 ---------------------------------------------------------------------------------------------------------------------------

 

       Overpressures (bar(g))                                                 Distance (m)                

                                                                                2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                          

 Level:                    0.0207                                     244.20                     196.90                        

 Level:                    0.1379                                     144.70                     139.90                       

 Level:                    0.2068                                     136.90                     135.40                       

 

 

 

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                               Ambient Conditions                            

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           Weather Class                           2.0m/s;F                 4.0m/s;D                     

 ---------------------------------------------------------------------------------------------------------------------------

                                                                           

 Surface roughness parameter                           0.10                         0.10                         

 Atmospheric temperature (K)                           298.20                     298.20                       

 Surface temperature (K)                                     298.20                     298.20                       

 Relative humidity                                0.70                         0.70                         

 Atmospheric pressure (N/m2)                           101300.00               101300.00