Strona 2_redak - Instytut Agrofizyki im. Bohdana DobrzaÅskiego ...

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114 16.2. Density and porosity Table. 16.4. Mean values (±St. Dev.) of bulk density, bulk density of material compacted according to Eurocode 1 [50], tapped density and porosity of cereal grain at the moisture content of 10-20% Material Moisture content (%) Bulk density (kg m -3 ) Bulk density of compacted material (kg m -3 ) Tapped density (kg m -3 ) Porosity (%) 10 773 ± 3 779 ± 2 871 ± 4 49.8 Wheat Begra 12.5 15 17.5 765 ± 3 694 ± 4 705 ± 4 799 ± 9 784 ± 2 778 ± 5 861 ± 7 860 ± 10 868 ± 9 48.8 50.9 52.8 20 713 ± 5 790 ± 5 823 ± 11 54.3 10 698 ± 5 754 ± 9 793 ± 6 51.4 Rye Amilo 12.5 15 17.5 688 ± 5 677 ± 4 682 ± 5 772 ± 8 786 ± 1 785 ± 4 805 ± 7 787 ± 8 801 ± 3 49.8 50.7 48.6 20 684 ± 4 803 ± 1 808 ±10 49.2 10 686 ± 3 787 ± 3 780 ± 3 50.9 Barley Rudnik 12.5 15 17.5 689 ± 2 680 ± 5 675 ± 4 785 ± 2 781 ± 2 771 ± 2 806 ± 2 801 ± 3 794 ± 3 49.6 50.1 50.5 20 667 ± 3 780 ± 7 783 ± 9 52.8 10 742 ± 3 826 ± 10 873 ± 6 45.0 Corn Mieszko 12.5 15 17.5 728 ± 3 698 ± 3 672 ± 2 847 ± 3 844 ± 9 825 ± 15 878 ± 4 829 ± 2 845 ± 4 45.0 45.6 47.5 20 663 ± 2 834 ± 10 800 ± 1 48.6 10 557 ± 2 646 ± 9 632 ± 12 60.8 Oat Borowiak 12.5 15 17.5 574 ± 2 547 ± 2 528 ± 2 647 ± 3 656 ± 8 704 ± 10 650 ± 8 624 ± 12 632 ± 4 59.5 61.0 62.4 20 527 ± 3 698 ± 7 639 ± 10 62.5 10 615 ± 5 711 ± 2 684 ± 3 55.5 Triticale Fidelio 12.5 15 17.5 618 ± 7 605 ± 6 591 ± 4 744 ± 11 739 ± 11 774 ± 10 698 ± 12 689 ± 5 691 ± 7 53.0 54.2 55.6 20 571 ± 4 781 ± 3 665 ± 12 57.0
115 Table 16.5. Mean values (±St. Dev.) of bulk density, bulk density of material compacted according to Eurocode 1 [50], tapped density and porosity of rape seeds variety Licosmos at the moisture content of 6-16% Material Moisture content (%) Bulk density (kg m -3 ) Bulk density of compacted material (kg m -3 ) Tapped density (kg m -3 ) Porosity (%) 6 645 ± 5 712 ± 5 756 ± 4 41.8 Rape seeds 9 661 ± 2 740 ± 4 761 ± 6 41.5 Licosmos 12 655 ± 3 788 ± 5 760 ± 6 40.2 16 644 ± 2 800 ± 5 760 ± 5 41.9 Table 16.6. Mean values (±St. Dev.) of bulk density, bulk density of material compacted according to Eurocode 1 [50], tapped density and porosity of selected seeds Material Moisture content (%) Bulk density (kg m -3 ) Bulk density of compacted material (kg m -3 ) Tapped density (kg m -3 ) Porosity (%) Amaranth. Rawa 8 823 ± 3 883 ± 3 934 ± 4 45.1 White mustard 9 707 ± 2 799 ± 2 824 ± 2 42.3 Pea. Piast 10 810 ± 3 869 ± 5 929 ± 7 43.2 Buckwheat. Kora 10 654 ± 2 686 ± 2 773 ± 2 55.2 Lentils.Tina 8 783 ± 2 840 ± 3 931 ± 9 47.1 Soybeans. Aldana 8 739 ± 3 795 ± 5 869 ± 4 45.2
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EC Centre of Excellence AGROPHYSICS
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4 9.3. Factors influencing the coef
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6 BASIC NOTATION c - cohesion [kPa]
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8 Numerous granular materials when
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10 the tensor of plastic strain inc
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12 Fig. 2.1. Yield curves with comp
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14 Stable or unstable behaviour of
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16 In turn, the model of Lade, also
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18 same porosity need not have iden
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20 where: A = ∫ E( β) sin βdβ
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22 (β = 0 o ), positioning the out
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24 grain was poured into the mould
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26 axes of the ellipse characterizi
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28 [176] for the determination of p
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30 A different approach to the desc
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32 where: I - moment of inertia, k
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34 a) b) f s f s m M f n f n Contac
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36 The micropolar model yields resu
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38 Fig. 3.17. Model of shear band f
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40 In the case of agricultural mate
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42 5.2. Density of consolidated mat
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44 (cereal grain, sand, soil), the
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46 Multiple wetting and drying of g
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48 vertical pressure within the ran
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50 of the curve defined by A, where
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52 6. Vertical consolidation refere
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54 poured into the box without vibr
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56 7.2.2. Bulk density Stress-strai
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58 near the box wall and lifted alo
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60 and the upper boundary was 18.5
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62 A -1 5 -1 0 -5 1 0 5 -5 5 1 0 1
Page 64 and 65: 64 Fig. 8.2. Yield locus and effect
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Page 68 and 69: 68 a) b) µ = tg ϕw ϕ w c) d) e)
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Page 72 and 73: 72 galvanized steel received from d
Page 74 and 75: 74 9.3.4. Velocity of sliding Becau
Page 76 and 77: 76 1+ sinϕ k = . 1 − sinϕ (10.3
Page 78 and 79: 78 N ϕ VLQϕ 3UHVVXUHUDWLRN
Page 80 and 81: 80 10.4.1. Friction force mobilizat
Page 82 and 83: 82 10.4.3. Moisture content With in
Page 84 and 85: 84 Table 10.1. Measured (k s ) and
Page 86 and 87: 86 conventional engineering analyse
Page 88 and 89: 88 a, b - product-dependent coeffic
Page 90 and 91: 90 also be performed as a function
Page 92 and 93: 92 reliable processing and stable v
Page 94 and 95: 94 unconfined yield strength to pow
Page 96 and 97: 96 The Chute Index (CI) is recommen
Page 98 and 99: 98 obtained the maximum deviation o
Page 100 and 101: 100 efficient flow control using op
Page 102 and 103: 102 In the field of experimental in
Page 104 and 105: 104 22. Britton M.G., Moysey E.B.:
Page 106 and 107: 106 69. Horabik J., Rusinek R.: Pre
Page 108 and 109: 108 114. Morland L.W., Sawicki A.,
Page 110 and 111: 110 158. 6WSQLHZVNL$ Influence of m
Page 112 and 113: 112 16. APPENDIX - Physical Propert
Page 116 and 117: 116 Table 16.7. Mean values (±St.
Page 126 and 127: 126 Table 16.16. Cont. 1 2 3 4 Icin
Page 136 and 137: 136 Table 16.25. Cont. 1 2 3 4 Icin
Page 140 and 141: 140 Table 16.29. Cont. Table sugar
Page 144 and 145: 144 Table 16.35. Mean values (± St
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