Performance enhancements to Joint Army/Navy Rotorcraft Analysis and Design (JANRAD) software and Graphical User Interface (GUI)

dc.contributor.advisorWood, E. Roberts
dc.contributor.advisorKing, Robert L.
dc.contributor.authorHucke, William L.
dc.contributor.corporateNaval Postgraduate School
dc.contributor.departmentDepartment of Aeronautical and Astronautical Engineering
dc.dateJune 1998
dc.date.accessioned2012-08-09T19:22:55Z
dc.date.available2012-08-09T19:22:55Z
dc.date.issued1998-06-01
dc.description.abstractThe Joint Army/Navy Rotorcraft Analysis and Design (JANRAD) computer program was developed at the Naval Postgraduate School to perform performance, stability and control, and rotor dynamics analysis during preliminary helicopter design efforts. This thesis is the continuation of a previous work in which a Graphical User Interface (GUI) was developed and implemented as the front end of the NPS program. Due to the complexity of the GUI design, only the Performance module of JANRAD was completed by the prior student. This thesis expands the capabilities of the Performance module, and the JANRAD code, by adding graphical output of performance results, improved rotor sizing capabilities, resources for user defined blade elements and non-linear blade twist, airfoil meshing capabilities, and additional reference airfoil data corrected for compressibility effects. It contains the basic architecture for the Stability and Control module GUI. Additionally, utilizing actual UH-60A Black Hawk airfoil and test flight data as inputs, JANRAD version 5.0 was run to validate its output with the test flight results, and those produced in a prior hesis by JANRAD version 3.1 (1995). Excellent agreement was demonstrated in all flight regimes. Utilizing airfoil data corrected for compressibility effects, high altitude runs resulted in much better correlation with test flight results than those experienced in 1995 using uncorrected airfoil data. A JANRAD Users Guide was updated and is included in Appendix A.en_US
dc.description.distributionstatementApproved for public release; distribution is unlimited.
dc.description.serviceLieutenant Commander, United States Coast Guarden_US
dc.description.urihttp://archive.org/details/performanceenhan109458816
dc.format.extentxvi, 343 p.en_US
dc.identifier.urihttps://hdl.handle.net/10945/8816
dc.language.isoen_US
dc.publisherMonterey, California. Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.subject.authorHelicopteren_US
dc.subject.authorGraphical user interfaceen_US
dc.subject.authorPerformanceen_US
dc.subject.authorPreliminary designen_US
dc.subject.authorStability and controlen_US
dc.subject.authorUH-60Aen_US
dc.subject.authorJANRADen_US
dc.titlePerformance enhancements to Joint Army/Navy Rotorcraft Analysis and Design (JANRAD) software and Graphical User Interface (GUI)en_US
dc.typeThesisen_US
dspace.entity.typePublication
etd.thesisdegree.disciplineAeronautical Engineeringen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US
etd.thesisdegree.levelMastersen_US
etd.thesisdegree.nameM.S. in Aeronautical Engineeringen_US
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