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<p>BurnSim has fields for the various properties of propellant grains. You can hover over areas in the image below for specifics on each field, click for more details.</p>
'''This page documents BurnSim 3.''' See [[Main Page]] for current BurnSim 4 documentation. This page is kept for reference by users still running BurnSim 3.
Hover over or click on various fields in the image below to get more details on each field in BurnSim.
<area target="" alt="Select the Grain Type to be used in the selected grain(s)" title="Select the Grain Type to be used in the selected grain(s)" href="GrainType" coords="8,58,130,72" shape="rect">
<area target="" alt="Select the Propellant to be used in the selected grain(s)" title="Select the Propellant to be used in the selected grain(s)" href="PropellantType" coords="9,76,132,89" shape="rect">
<area target="" alt="Core Offset - this field will change depending on the type of grain selected" title="Core Offset - this field will change depending on the type of grain selected" href="CoreOffset" coords="10,142,132,159" shape="rect">
rect 9 76 132 89 [[PropellantType|Select the Propellant to be used in the selected grain(s)]]
<area target="" alt="Number Of Points when a star grain is selected - this field will change depending on the type of grain selected" title="Number Of Points when a star grain is selected - this field will change depending on the type of grain selected" href="NumberOfPoints" coords="10,161,131,175" shape="rect">
rect 9 91 131 107 [[Grain Length|GrainLength]]
<area target="" alt="Fin Length for finocyl grains - this field will change depending on the type of grain selected" title="Fin Length for finocyl grains - this field will change depending on the type of grain selected" href="FinLength" coords="9,176,132,191" shape="rect">
rect 131 125 8 108 [[GrainDiameter|Grain Diameter]]
<area target="" alt="Inhibited Ends - select the number of inhibited ends for the grain(s). Can be 0-2." title="Inhibited Ends - select the number of inhibited ends for the grain(s). Can be 0-2." href="InhibitedEnds" coords="10,192,131,208" shape="rect">
rect 10 127 133 141 [[CoreDiameter|Core Diameter]]
<area target="" alt="Add Grain - this button adds a grain with the specified properties" title="Add Grain - this button adds a grain with the specified properties" href="AddGrain" coords="11,210,38,225" shape="rect">
rect 10 142 132 159 [[CoreOffset|Core Offset - this field will change depending on the type of grain selected]]
<area target="" alt="Delete Grain - this button will delete any grains selected in the grid" title="Delete Grain - this button will delete any grains selected in the grid" href="DeleteGrain" coords="42,209,74,223" shape="rect">
rect 10 161 131 175 [[NumberOfPoints|Number Of Points when a star grain is selected - this field will change depending on the type of grain selected Number Of Points when a star grain is selected - this field will change depending on the type of grain selected]]
<area target="" alt="Update Grain - this button will update any grains selected in the grid with the properties specified." title="Update Grain - this button will update any grains selected in the grid with the properties specified." href="UpdateGrain" coords="75,209,106,225" shape="rect">
rect 9 176 132 191 [[FinLength|Fin Length for finocyl grains - this field will change depending on the type of grain selected]]
<area target="" alt="Grain Up - moves the grain up in the motor" title="Grain Up - moves the grain up in the motor" href="GrainUp" coords="109,208,130,224" shape="rect">
rect 10 192 131 208 [[InhibitedEnds|Inhibited Ends - select the number of inhibited ends for the grain(s). Can be 0-2.]]
<area target="" alt="Grain Down - moves the grain down in the motor" title="Grain Down - moves the grain down in the motor" href="GrainDown" coords="132,207,162,224" shape="rect">
rect 11 210 38 225 [[AddGrain|Add Grain - this button adds a grain with the specified properties]]
<area target="" alt="Grain Grid - displays motor grains" title="Grain Grid - displays motor grains" href="GrainGrid" coords="134,59,335,209" shape="rect">
rect 42 209 74 223 [[DeleteGrain|Delete Grain - this button will delete any grains selected in the grid]]
<area target="" alt="Nozzle Tab - click here to enter nozzle properties" title="Nozzle Tab - click here to enter nozzle properties" href="NozzleTab" coords="456,53,511,66" shape="rect">
rect 75 209 106 225 [[UpdateGrain|Update Grain - this button will update any grains selected in the grid with the properties specified.]]
<area target="" alt="Propellants Tab - Click here to view, edit and add propellants" title="Propellants Tab - Click here to view, edit and add propellants" href="PropellantsTab" coords="513,66,550,53" shape="rect">
rect 109 208 130 224 [[GrainUp|Grain Up - moves the grain up in the motor]]
<area target="" alt="Startup Tab - options for startup transients. Not currently implemented" title="Startup Tab - options for startup transients. Not currently implemented" href="StartupTab" coords="552,54,582,66" shape="rect">
rect 132 207 162 224 [[GrainDown|Grain Down - moves the grain down in the motor]]
rect 134 59 335 209 [[GrainGrid|Grain Grid - displays motor grains]]
<area target="" alt="Use Nozzle Calculations - when selected this will calculate thrust coefficient based on nozzle dimensions" title="Use Nozzle Calculations - when selected this will calculate thrust coefficient based on nozzle dimensions" href="UseNozzleCalculations" coords="554,98,460,88" shape="rect">
rect 456 53 511 66 [[NozzleTab|Nozzle Tab - click here to enter nozzle properties]]
rect 459 70 593 86 [[NozzleThroatDia|Nozzle Throat Diameter]]
<area target="" alt="Efficiency - Thrust/nozzle caclulations are based on ideal conditions, which are not normally encountered in real life. Select a value here like 90% as needed." title="Efficiency - Thrust/nozzle caclulations are based on ideal conditions, which are not normally encountered in real life. Select a value here like 90% as needed." href="Efficiency" coords="460,151,578,164" shape="rect">
rect 554 98 460 88 [[UseNozzleCalculations|Use Nozzle Calculations - when selected this will calculate thrust coefficient based on nozzle dimensions]]
<area target="" alt="Nozzle Erosion - Erosion of the nozzle over time" title="Nozzle Erosion - Erosion of the nozzle over time" href="NozzleErosion" coords="460,166,604,185" shape="rect">
rect 460 100 600 117 [[NozzleExitDia|Nozzle Exit Diameter]]
<area target="" alt="Thrust Coefficient - Specify this if you wish to use a given thrust coefficient instead of it being calculated from nozzle dimensions." title="Thrust Coefficient - Specify this if you wish to use a given thrust coefficient instead of it being calculated from nozzle dimensions." href="ThrustCoefficient" coords="461,187,603,214" shape="rect">
rect 461 118 587 134 [[ExpansionRatio|Expansion Ratio]]
</map>
rect 460 136 589 148 [[AmbientPressure|Ambient Pressure Ambient Pressure]]
rect 460 151 578 164 [[Efficiency|Efficiency - Thrust/nozzle caclulations are based on ideal conditions which are not normally encountered in real life. Select a value here like 90% as needed.]]
rect 460 166 604 185 [[NozzleErosion|Nozzle Erosion - Erosion of the nozzle over time]]
rect 461 187 603 214 [[ThrustCoefficient|Thrust Coefficient - Specify this if you wish to use a given thrust coefficient instead of it being calculated from nozzle dimensions.]]
</imagemap>
[[Category:BurnSim 3 (Legacy)]]
Latest revision as of 10:04, 10 August 2026
This page documents BurnSim 3. See Main Page for current BurnSim 4 documentation. This page is kept for reference by users still running BurnSim 3.
Hover over or click on various fields in the image below to get more details on each field in BurnSim.
