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The Effects Of Asymmetric Micro Ratchets On Pool Boiling Performance, Lance Austin Brumfield
The Effects Of Asymmetric Micro Ratchets On Pool Boiling Performance, Lance Austin Brumfield
LSU Doctoral Dissertations
Nucleate boiling is an attractive method for achieving high heat flux at low superheat temperatures. It is frequently used for industrial applications such as heat exchangers and is being considered to cool advanced central processing units (CPU) which produce heat fluxes on the order of 1 MW/m2 and are becoming increasingly less efficient to cool via forced conduction of air. The issue with implementing nucleate boiling as a cooling mechanism lies in the difficulty of quantifying the numerous and complex mechanisms which control the process. A comprehensive nucleate boiling model has yet to be formulated and will be required in …
Effect Of Cultivar, Storage, Cooking Method And Tissue Type On The Ascorbic Acid, Thiamin, Riboflavin And Vitamin B6 Content Of Sweetpotato [Ipomoea Batatas (L.)] Lam, Wilmer Anibal Barrera
Effect Of Cultivar, Storage, Cooking Method And Tissue Type On The Ascorbic Acid, Thiamin, Riboflavin And Vitamin B6 Content Of Sweetpotato [Ipomoea Batatas (L.)] Lam, Wilmer Anibal Barrera
LSU Doctoral Dissertations
The effect of cultivar, curing, storage, tissue type, and cooking method on the ascorbic acid (AA), thiamin, riboflavin, and vitamin B6 content of sweetpotato was determined. A simplified and sensitive reverse-phase high performance liquid chromatography (HPLC) methodology was developed for the simultaneous determination of thiamin and riboflavin in sweetpotato. Curing of sweetpotatoes did not significantly change the content of AA, thiamin, and vitamin B6, but resulted in a decrease in riboflavin content. Thiamin and riboflavin contents were mostly stable after curing. However, compared to at harvest, storage for 6 months resulted in a decrease in AA content in cultivars 07-146, …