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  • Chemical Engineering  (2)
  • ASTRODYNAMICS  (1)
  • MACHINERY  (1)
  • 1995-1999
  • 1980-1984  (2)
  • 1955-1959  (2)
  • 1910-1914
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Local boiling coefficients on a horizontal tube (1958)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 4 (1958), S. 75-80 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Local boiling heat transfer coefficients were experimentally determined for nucleate boiling around the outer circumference of horizontal copper tubing. The tubes used were of 16 B.W.G. hard-temper copper with outside diameters of 1 1/4 and 2 in; the liquids boiled were methanol and n-hexane. The maximum peripheral variation occurred with the 1 1/4-in. tube in methanol where an over-all ΔT of 30.2°F. gave local outside coefficients varying between 249 and 548 B.t.u./(hr.)(sq. ft.)(°F.). The minimum variation was found to occur in the same system, in which an over-all ΔT of 72.3°F. gave coefficients varying between 856 and 910 B.t.u./(hr.)(sq. ft.)(F.°). The results, plotted in polar coordinates, showed a cardioid configuration for methanol with the maximum coefficients occurring at the bottom of the tube. The n-hexane results had the general shape of horizontal ellipses with maximum coefficients occurring at the sides of the tube.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690040115
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Mechanism of heat transfer to liquid drops (1956)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 384-388 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The purpose of this investigation was to study the process of heat transfer to a liquid drop rising through another liquid. In experimental runs various-sized drops of S.A.E.-10 lubricating oil, kerosene, and xylene were heated with water; also, water drops were heated with various organic liquids. Theoretical calculations of temperature change were made, various mechanisms of heat transfer being assumed. The temperature change predicted with each mechanism was compared with the experimental results and the controlling mechanism thus determined for each system studied.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690020318
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    Paper (German National Licenses)
    Fulltext
  • 3
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    Adaptive guidance and control for future remote sensing systems (1980)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: A unique approach to onboard processing was developed that is capable of acquiring high quality image data for users in near real time. The approach is divided into two steps: the development of an onboard cloud detection system; and the development of a landmark tracker. The results of these two developments are outlined and the requirements of an operational guidance and control system capable of providing continuous estimation of the sensor boresight position are summarized.
    Keywords: ASTRODYNAMICS
    Type: NASA. Goddard Space Flight Center Fifth Ann. Flight Mech.(Estimation Theory Symp.; 17 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Fluid-Injection Tool for Inaccessible Areas (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: New tool injects liquids or gases into narrow crevices. Can be used to apply caulking and waterproofing compounds, adhesives, detergent, undercoats and oil and to aerate hard-to-reach places. Nozzle can reach into opening 1/32 inch wide to depth of more than 4 inches. Although thin, device is rigid and strong.
    Keywords: MACHINERY
    Type: KSC-11217 , NASA Tech Briefs (ISSN 0145-319X); 6; 4; P. 438
    Format: text
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    NASA TECHNICAL REPORTS
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