000			03396nam a2200253 4500
001			393302
090			_a393302
100			_a20150602d2015 y0pory50 ba
101			_aeng
200			_aBloodstain patterns on textile surfaces _bRecurso eletrónico _ea fundamental analysis _fStephen Michielsen ...[et al.]
210			_a[Rockville, MD] _cNational Criminal Justice Reference Service (NCJRS) _d2015
215			_a1 CD-ROM _d12 cm
300			_aResearch report submitted to the U.S. Department of Justice. NIJ Award nr. 2012-DN-BX-K052. Ficheiro de 11,2 MB em formato PDF (109 p.).
330			_aTable of contents. Abstract. Executive summary. I. Introduction. II. Methods. II.1 Fabric. II.2 Temperature of blood at impact. II.3 Synthetic blood. II.4 Viscosity of synthetic blood. II.5 Surface tension of synthetic blood. II.6 Ensuring that only a single drop of blood of known volume was dripped onto the fabric. II.7 Design and construction of Drop Tower. II.8 Fabric test parameters. II.9 Yarn characterization and properties. II.9.1 Yarn physical properties. II.9.2 Yarn wicking properties. II.10 Yarn and fabric morphology. II.11 Fabric wicking and drying of placed drops. II.12 Area, perimeter and circularity of drop on fabric. II.13 Transfer of blood from one fabric to another. II.14 Porcine blood drop breakup on fabric surfaces. II.15 Relative contributions of inertial and wicking forces. II.16 Spatter stains on fabric surfaces using porcine blood drops. II.17 Comparison of SB5 and porcine blood stains on fabric surfaces. III. Results. III.1 Fabric down selection. III.2 Laundering. III.3 Blood recipe development. III.4 Effect of different plain woven fabric construction. III.5 Determination of the minimum volume for complete penetration. III.6 Effect of drop volume on bloodstain pattern. III.7 Effect of drop height on bloodstain pattern. III.8 Time evolution of bloodstains and bloodstain patterns. III.9 Effect of warp angle on final bloodstain pattern for woven fabric. III.10 Effect of fabric inclination on final stain pattern for woven fabric. III.11 Combined effect of fabric inclination and warp orientation on final bloodstain. III.12 Fabric tautness on final bloodstain. III.13 Type of Fabric. III.14 Effect of backing material. III.15 Fabric defect on final bloodstain. III.16 Characterization of the yarns. III.17 Wicking behavior of the yarns. III.18 Morphological assessment of the yarns. III.19 Bloodstain area and circularity on single layer fabric. III.20 Growth of bloodstain area with time. III.21 Bloodstain drying on single layer fabric. III.22 Blood transfer from upper fabric to lower substrate (fabric or film). III.23 Porcine blood impacting onto fabric. III.24 Spreading and wicking of porcine blood impacting onto fabric from low heights. III.25 Spatter stains on fabric surfaces using porcine blood drops. III.26 Comparison of SB4 stains and porcine blood stains. III.27 Custom yarns and fabrics. IV. Conclusions. V. References. VI. Dissemination of research findings. VII. Appendix.
606			_aSANGUE _996440
606			_aANÁLISE DE VESTÍGIOS _9320649
606			_aFIBRA TÊXTIL _9345713
606			_aLOCAL DO CRIME _935217
710			_aBLOODSTAIN PATTERNS ON TEXTILE SURFACES _9357746
955			_xOferta