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  1. apfelsaft

    Quark viscosity

    hy zybszel, try this: Rheologische Charakterisierung von Speisequark,Deutsche Milchwirtschaft 2(1998)49, S. 65-67 or apply to Technische Universität Berlin Fakultät III Prozesswissenschaften Fachgebiet Lebensmittelrheologie Prof. Dr. Bernhard Senge Königin-Luise-Str. 22 Sekr. KL-H1...
  2. apfelsaft

    What Centrifugal Pump for Fruit Juice?

    hi all, two centrifugal pump supliers with experience in the juice industry i know are: www.hilge.de www.fristam.com i personal prefer hilge, if its posible working without abressive materials. ciao apfelsaft
  3. apfelsaft

    What Centrifugal Pump for Fruit Juice?

    hi mvd, the major thing is cleanabiliy of the pump. That is why you need an "open impeller"(dont know if this is the right english expression). with this solution you also have no problems with blocking. if you are still afraid, use a small filter before the pump to be shure, that the...
  4. apfelsaft

    Fouling - Ultrafiltration Lemon Juice

    hi araujo, the problem with citrujuice is pectin and other biopolymeres, so you have to use a big amount of enzymes. unfortunately the citrus oil will destroy your membran anyway after a longer use. i don't know any reference. ciao apfelsaft
  5. apfelsaft

    Value for convection coefficient (h)

    hi all, i've just calculated it (no radiation effect)(it's a cylinder?) : Cylinder diameter 0.6 m - 13.0 W/m2K 0.5 m - 13.6 W/m2K 0.4 m - 14.5 W/m2K 0.3 m - 15.8 W/m2K Ciao Apfelsft
  6. apfelsaft

    Tetra Spiraflo tubular heat exchanger

    Hello, does anybody have some experience with a Tetra Spiraflo tubular heat exchanger . I'm interested how many space i coud save compared with an "untwisted" tubular heat exchanger. Regads apfelsaft
  7. apfelsaft

    average shear rate in turbulent flow

    hi all, i want to know, how to calculate the average shear rate in pipe with turbulent flow, or is it allowed to calculate like in laminar flow? i'm working with juice concentrate. thanks for any help apfelsaft
  8. apfelsaft

    average shear rate at turbulent flow

    hi all, can anybody tell me how to calculate the average shear rate in a pipe at turbulent conditions. Or isn't there a average shear rate? thanks for your efforts ciao apfelsaft
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