FREEZING OF A PARAFFIN FLOW DOWNSTREAM OF AN ABRUPT EXPANSION

被引:6
|
作者
MYRUM, TA
THUMMA, S
机构
[1] Mechanical Engineering Department, Louisiana State University, Baton Rouge
关键词
D O I
10.1016/0017-9310(92)90279-2
中图分类号
O414.1 [热力学];
学科分类号
摘要
Freezing of a paraffin flow downstream of an abrupt expansion was studied experimentally. Results obtained for three different expansion ratios (d/D) at a constant system flow rate (Re(D) almost-equal-to 3400) and a constant inlet Reynolds number (Re(d) almost-equal-to 3400) demonstrated that the 'ice-band' spacing is a function of the freezing parameter (theta) only and can be predicted to within 8% using a correlation developed for water flow in a constant-area duct. The results also showed that the effect of expansion caused freeze-off to occur at higher theta values, with freeze-off occurring for 7.5 < theta less-than-or-equal-to 8.5, 11 < theta less-than-or-equal-to 13, and 13 < theta less-than-or-equal-to 16, respectively, for d/D = 1.0 (no expansion), 0.643, and 0.340.
引用
收藏
页码:421 / 431
页数:11
相关论文
共 50 条
  • [21] HEAT TRANSFER DOWNSTREAM OF AN ABRUPT EXPANSION IN THE TRANSITION REYNOLDS NUMBER REGIME.
    Baughn, J.W.
    Hoffman, M.A.
    Takahashi, R.K.
    Lee, Daehee
    Journal of Heat Transfer, 1987, 109 (01): : 37 - 42
  • [22] HEAT-TRANSFER DOWNSTREAM OF AN ABRUPT EXPANSION IN THE TRANSITION REYNOLDS-NUMBER REGIME
    BAUGHN, JW
    HOFFMAN, MA
    TAKAHASHI, RK
    LEE, D
    JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 1987, 109 (01): : 37 - 42
  • [23] PARTIALLY IONIZED-GAS FLOW AND HEAT-TRANSFER IN SEPARATION, REATTACHMENT, AND REDEVELOPMENT REGIONS DOWNSTREAM OF AN ABRUPT CIRCULAR CHANNEL EXPANSION
    BACK, LH
    ROSCHKE, EJ
    MASSIER, PF
    JOURNAL OF HEAT TRANSFER, 1972, 94 (01): : 119 - +
  • [24] The process of the energy loss in supercritical flow at abrupt expansion due to flow pattern
    Oveisy, A
    Banihashemi, MA
    HYDRAULICS OF RIVERS, WATER WORKS AND MACHINERY, VOL 1, THEME D, PROCEEDINGS: 21ST CENTURY: THE NEW ERA FOR HYDRAULIC RESEARCH AND ITS APPLICATIONS, 2001, : 455 - 461
  • [25] MEASUREMENTS IN TURBULENT SWIRLING FLOW THROUGH AN ABRUPT AXISYMMETRIC EXPANSION
    DELLENBACK, PA
    METZGER, DE
    NEITZEL, GP
    AIAA JOURNAL, 1988, 26 (06) : 669 - 681
  • [26] On the Fundamental Characteristics of Super-critical Flow at Abrupt Expansion
    Puay, How Tion
    Hosoda, Takashi
    PROCEEDINGS OF THE 35TH IAHR WORLD CONGRESS, VOLS I AND II, 2013, : 3606 - 3614
  • [27] IMAGING VELOCITY PROFILES - FLOW THROUGH AN ABRUPT CONTRACTION AND EXPANSION
    XIA, Y
    CALLAGHAN, PT
    JEFFREY, KR
    AICHE JOURNAL, 1992, 38 (09) : 1408 - 1420
  • [28] Heat transfer to pulsating turbulent flow in an abrupt pipe expansion
    Said, SAM
    Habib, MA
    Iqbal, MO
    INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW, 2003, 13 (2-3) : 286 - 308
  • [29] Experimental and numerical study of heat transfer downstream of an axisymmetric abrupt expansion and in a cavity of a circular tube
    Lee, Dae Hee
    Lee, Jun Sik
    Park, Hyun Jin
    Kim, Moon Kyung
    JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2011, 25 (02) : 395 - 401
  • [30] LAMINAR COUPLED FLOW DOWNSTREAM OF AN ASYMMETRIC SUDDEN EXPANSION
    VRADIS, GC
    VANNOSTRAND, L
    JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER, 1992, 6 (02) : 288 - 295