![]() Although similar to the original SRM.xls, this revised version simplifies the design process by allowing the user to specify chamber pressure (rather than Kn) as a design parameter. SRM_2014.xls is a newly released version. Solely for cylindrical grain configurations, such as BATES. Although primarily intended for designing motors using KN-Dextrose or KN-Sorbitol propellant, other propellants may be specified with user inputted propellant properties. Motor performance data is also summarized for easy input into a trajectory simulation software, such as SOAR. SRM.xls is an MS EXCEL spreadsheet that takes user-inputted motor and grain geometry data and computes Kn over the duration of the motor burn, generates a pressure-time curve, a thrust-time curve, as well as performance parameters such as total impulse and delivered specific impulse.
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