Issue 15

I. S 36 we me W I pan on jog loc are aro def cra con Th Aft are reg 1 ST 2 O T . Raju et alii, Fr re used for thods used to NG -L EADIN he Spac panels, T 1(c) sho els that have Panel 9; that gle on Panel k side and sli the configur und the WL ined i n Fig. cks, as show version proc e conversion (c) Cross-sec er two differ as of the RC ion, as shown S – Space Tran V – Orbiting V attura ed Integri the stress an characterize G -E DGE C e Shuttle win -seals are in w a close-up S-shaped cu side of the 10; that side p side of eac ation bound E and is def 1(c). The RC n in Fig. 1(d ess of fabric -coating regio (a) Wing- tional view of ent Space Sh C coating w in Fig. 2. T sportation Syste ehicle. tà Strutturale, 1 d fracture m defects in th ONFIGURA g-leading edg stalled to clo and cross-se rvature are c panel is calle of the panel h panel is ca aries on the ined in Fig. C material c ). Note th ation. Then ns are comm leading edge. Panels 9 and 1 Figure 1 : Spac uttle landing ere observed he two spall m. 5 (2011) 35-49 echanics an e panels are TION e (WLE) con se or cover t ctional view, alled “joggles d the “lock s is called the lled the acre outer and in 1(b), while t ontains a su at these craz a sealant is a only referred 0 and T-seal 1 e Shuttle wing s (Missions S to be missi ation events ; DOI: 10.3221/I alyses are de presented. F figuration an he gap. Fig respectively, ” (se e Fig. 1 ide” and is s “slip side” a age region. T ner surfaces he span dire bstrate region e cracks for pplied to bo to as coatin 0. -leading-edge TS 1 -102 and ng from the occurred (a) GF-ESIS.15.05 scribed. Th inally, analys d geometry . 1(a) shows of Panels 9 (c)) . When T hown in Fig nd is also sh he outer mo of the WLE ction runs a and two co m in the co th the OML g layers. (b) (d) C configuration STS-103) at WLE apex n after STS-10 en, the frac is results and are presented the Space Sh and 10 and T -seal 10 is in . 1(c). In add own in Fig. 1 ld line (OM , respectivel cross the WL nversion coa ating during and IML sur Panels 9 and 1 ross-section o and geometry the NASA ear the top 3 on OV 2 -10 ture mechan findings are in Fig. 1. B uttle WLE, a -seal 10. Th stalled, it is lo ition, T-seal (c). The reg L) and inner y. The chor E panels an ting regions the cool-dow faces, filling 0 and T-seal 1 f slip-side jogg . Kennedy Spa of the joggle 3 Panel 8L an ics analyses discussed. etween adja nd Fig. 1(b) e regions of cked to a jo 10 floats ov ion between mold line (IM d direction r d T-seals an containing c n phase of the craze cra 0. le. ce Center, sm in the slip- d (b) after S and cent and the ggle er a the L) uns d is raze the cks. all side TS-