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Heat transfer and pressure drop in fixed beds of wood chipsChow, Bosco January 1985 (has links)
Heat transfer from a flowing gas to a fixed bed of dried Dougas-fir wood chips has been studied by a transient method. Hot air at about 130°C flowed upward through 0.2 m dia x 1 m deep beds of commercially prepared wood chips which had been screened for thickness. Four different wood chip sizes were used, which varied in mean thickness from 2.44 to 7.26 mm. The thickest chips were 18.4 mm wide x 36.3 mm long. Gas temperatures were measured at a number of axial positions as the bed temperature rose from its initial temperature of about 20°C. Heat transfer coefficients were calculated by fitting the air temperature profiles to a transient mathemical model for plug flow of gas through a bed of slab-shaped particles with finite internal thermal resistance. The heat transfer model was solved analytically using an approach pioneered by Amundson (10) for fixed beds of spherical particles and based on Rosen's (6,7) function. This solution has not appeared elsewhere in the literature, and is shown to converge to that of Anzelius (1) if the Biot number for the particle approaches zero. Experiments were done at a series of air velocities with four wood-chip thicknesses and with spherical catalyst particles to provide a check on the technique. The effect on heating rate of 30% by volume steam in the incoming air was investigated. For selected experiments, solid temperatures within the wood chips were measured. A correlation of the heat transfer coefficients is presented. Pressure drop was measured as a function of air velocity for different sizes of wood chips at room temperature and the results are compared with predictions of the Ergun equation. / Applied Science, Faculty of / Chemical and Biological Engineering, Department of / Graduate
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The influence of nitrogen fertilization, vine killing and storage temperatures on chip color of Massachusetts grown potatoes.Frenkel, Chaim 01 January 1961 (has links) (PDF)
No description available.
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The relation of cultural practices to the specific gravity and calcium content of potatoes and the effects of these variables on the quality of potato chips /Ng, Keng Chock January 1956 (has links)
No description available.
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Factors affecting the yield, fat absorption and color of potato chips /Johnson, Robert Newton January 1957 (has links)
No description available.
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Factors affecting the oil content of potato chips and the application of near infra-red reflectance to on-line moisture and oil content measurements /Plimpton, Shari L. January 1985 (has links)
No description available.
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The relationship of potato varieties and storage conditions on the quality of potato chips /Kearney, Joshua Wilson,1931- January 1971 (has links)
No description available.
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The effect of harvest date storage conditions on chip quality of potatoes /Hill, Marshall K. January 1974 (has links)
No description available.
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Effect of potato maturity and storage conditions on sugar content and potato chip quality /Sabhlok, Jatinder Pal January 1975 (has links)
No description available.
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Evaluation of factors affecting color and acceptance of potato chips /Baroudi, Atallah Ahmad Gheyasse January 1978 (has links)
No description available.
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Application of phase conjugate imaging to excimer laser lithographyDavis, G. M. January 1987 (has links)
No description available.
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