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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 36 (1971), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: SUMMARY –Pilot-scale extractions of orange peel color concentrates from whole peel, peel frits and flavedo were reported. Yields of color up to 402, 545 and 669 mg/kg of starting material were obtained from frits, whole peel and flavedo, respectively. Additional color was obtained by acetone treatment of emulsion and this process increased yields by 1% from whole peel, 33% from flavedo and 50% from frits. All three of these waste materials appear to provide good sources of natural orange color. From the standpoint of yield, flavedo was best. Whole peel, although affording the lowest yield of color, offers the advantage of being considerably easier to handle due to lack of emulsion.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-07-13
    Description: The National Transonic Facility (NTF) utilizes Inlet Guide Vanes (IGV) to provide precise, quick response Mach number control for the tunnel. During cryogenic operations, the massive IGV structure can experience large thermal gradients, measured as "Delta T or (Delta)T", between the IGV ring and its support structure called the transfer case. If these temperature gradients are too large, the IGV structure can be stressed beyond its safety limit and cease operation. In recent years, (Delta)T readings exceeding the prescribed safety limits were observed frequently during cryogenic operations, particularly during model access. The tactical operation methods of the tunnel to minimize (Delta)T did not always succeed. One obvious option to remedy this condition is to warm up the IGV structure by disabling the main drive operation, but this "natural" warm up method can takes days in some cases, resulting in productivity loss. This paper documents the thermal gradient problem associated with the IGV structure during cryogenic operation and how the facility has recently achieved an acceptable mitigation which has resulted in improved efficiency of operations.
    Keywords: Research and Support Facilities (Air)
    Type: AIAA Paper 2013-0868 , NF1676L-15738 , 51st AIAA Aerospace Sciences Meeting; Jan 07, 2013 - Jan 10, 2013; Grapevine, TX; United States
    Format: application/pdf
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