.MCAD 310000000 \  docDocument MmcObject[ d2_graph_format graphData% axisFormat)L)Ltrace2D&&&&&&&&& & & & & &&& dim_formatTmasslengthtimecharge temperature luminosity substanceNumericalFormatQdii  shpRectVxmcDocumentObjectState\ mcPageModelK????mcHeaderFooterI@I |P CHeaderFooterJ@{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\plain\f3\fs18 \par } @{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\qc\plain\f3\fs18 \par } @{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\qr\plain\f3\fs18 \par } @J@{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss Arial;}{\f4\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\plain\f4\fs18 \par } @{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss Arial;}{\f4\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\qc\plain\f3\fs20 \par } @{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fnil\fprq15 Arial;}{\f3\fswiss Arial;}{\f4\fswiss\fprq15 Arial;}} {\colortbl\red0\green0\blue0;} \deflang1033\pard\qr\plain\f4\fs18 \par } @J@J MbP?MbP? TextState? TextStyle>@ ArialSerial_ParPropDefaultWNormal>@Arial@W Heading 1>@ Arial@W Heading 2 >@ Arial@W Heading 3 >@ Arial@W Paragraph >@ Arial@WList >@ Arial@WIndent >@Times New Roman@W Title>@Times New Roman@W Subtitle font_style_listO font_styleP  VariablesTimes New Roman@P  ConstantsTimes New Roman@P TextArial@P Greek VariablesSymbol@P User 1Arial@P User 2 Courier New@P User 3Arial@P User 4Times New Roman@P User 5Times New Roman@P User 6Arial@P User 7Times New Roman@P SymbolsSymbol@P Current Selection FontArial@P Undefined Font@P HeaderArial@P FooterArial@P Rotated Math FontTimes New Roman TextRegion* docRegionGshpBoxUA999 CharacterMap-RangeMap;HGiven: Both static and dynamic (fatigue) failure criteria will be used. A minimum factor of safety =2 will be adhered to. For fatigue analysis the ASME elliptic model with Von Mises equivalent stress will be used Assumptions: Chamber pressure = 500 psi Maximum chamber pressure fluctuations = 25% of mean chamber pressure [1] Thermal effects will initially be neglected because of short burn times and insulative properties of fuel grain (Temperature factor = 1) Loading is purely axial. (Size factor =1) Find: 1) Pressure vessel analysis: (See Figure 1.0) Combustion chamber material is 6061 T6 aluminum OD = 2.35 Length = 8.00 THK= 0.140 Only use thin wall assumption if radius to thickness ratio = 20:1 [2] For static analysis find maximum tensile and shear stressed in plane and out of plane. *Calculate safety factor using given material properties For dynamic analysis use Von Mises equivalent stress with ASME elliptic Sigma alternating = 25% sigma mean [1] Find corrected endurance limit using correction coefficients as applicable to [2]. 2) Forward bolted connection analysis: (See Figure 1.0) Material #1 = SS 316L annealed plate (0.205 inches thick) Material #2 = 6061 T6 aluminum (0.1875 inches thick) Assume reusable connection (75% of proof load) Use static and dynamic situations Use both bolt yielding and joint separation failure criteria Fatigue analysis Von Mises equivalent stress, ASME elliptic, S.F. =2 Assume bolts extend from nuts 2 threads No shanks on bolts 3) Aft bolted connection analysis: (See Figure 1.0) Material #2 = 6061 T6 aluminum (0.1875 inches thick) Material #2 = 6061 T6 aluminum (0.1875 inches thick) Assume reusable connection (75% of proof load) Use static and dynamic situations Use both bolt yielding and joint separation failure criteria Fatigue analysis Von Mises equivalent stress, ASME elliptic, S.F. =2 Assume bolts extend from nuts 2 threads No shanks on bolts 4) Flange to chamber weld analysis: (See Figure 1.0) Coming soon! Practicing TIG welding and learning more about weld quality. References: [1] NASA /TP -2000-209905 [2] Mechanical Engineering Design, Shigley & Meschke 5th ed.  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