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Information Journal Paper

Title

TERMINAL VELOCITY OF CHOPPED CORN SILAGE AND ITS SEPARATE FRACTIONS AS AFFECTED BY MOISTURE CONTENT

Pages

  15-23

Abstract

 Knowledge of the aerodynamic properties of agricultural materials is needed in equipment design for operations such as PNEUMATIC CONVEYING in loading/unloading operations of CORN SILAGE into/from silos. While considerable information is available on seed grains, little is known about the aerodynamic behavior of CORN (Zea mays L.) SILAGE. In this research, the weighed mean TERMINAL VELOCITY of a sample representative of the entire bulk mass was determined using Wolf and Tatepo’s method. The TERMINAL VELOCITY of various particle types (leaf, STALK and CORNcob pieces) of chopped forage CORN plants, which were kept in silo for six months, at different moisture contents (40-50, 50-60 and 60-70% w.b.) was also studied. The TERMINAL VELOCITY was determined by measuring the air velocity required to suspend a particle in a vertical air stream using a wind tunnel. A 3 × 3 factorial treatment arrangement with 30 replications in a completely randomized design was used to study the effect of moisture content and particle type on the TERMINAL VELOCITY. The mass mean terminal velocities of the CORN SILAGE at 40-50, 50-60 and 60-70% moisture contents were 7.1, 7.3 and 7.8 m/s, respectively. The results showed that only the effect of particle type on the TERMINAL VELOCITY of CORN SILAGE was significant. The mean values of the TERMINAL VELOCITY of CORN LEAF, STALK and cob pieces were 3.8, 6.8 and 8.8 m/s, respectively. For each particle type at given moisture content, the TERMINAL VELOCITY was best described by means of the equation of velocity squared in terms of weight.

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    • Cite

    APA: Copy

    HEMAT, A., EMAMI, M., RAZAVI, S.J., & MASOUMI, A.A.. (2007). TERMINAL VELOCITY OF CHOPPED CORN SILAGE AND ITS SEPARATE FRACTIONS AS AFFECTED BY MOISTURE CONTENT. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 9(1), 15-23. SID. https://sid.ir/paper/539492/en

    Vancouver: Copy

    HEMAT A., EMAMI M., RAZAVI S.J., MASOUMI A.A.. TERMINAL VELOCITY OF CHOPPED CORN SILAGE AND ITS SEPARATE FRACTIONS AS AFFECTED BY MOISTURE CONTENT. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2007;9(1):15-23. Available from: https://sid.ir/paper/539492/en

    IEEE: Copy

    A. HEMAT, M. EMAMI, S.J. RAZAVI, and A.A. MASOUMI, “TERMINAL VELOCITY OF CHOPPED CORN SILAGE AND ITS SEPARATE FRACTIONS AS AFFECTED BY MOISTURE CONTENT,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 9, no. 1, pp. 15–23, 2007, [Online]. Available: https://sid.ir/paper/539492/en

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