Cornell Injection Molding Program Progress Report No. 16: Covering the Period from January 1990 Through December 1991College of Engineering, Cornell University, 1991 - 351 頁 |
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第 1 到 3 筆結果,共 20 筆
第 63 頁
... sprue ) , Tw = 60 ° C and a constant Q of 50 cm3 / sec ( representative of the early phase of spiral flow ) , the resulting bulk - temperature change in the sprue has been calculated to be a rise of 1.1 ° C . Accordingly , referring to ...
... sprue ) , Tw = 60 ° C and a constant Q of 50 cm3 / sec ( representative of the early phase of spiral flow ) , the resulting bulk - temperature change in the sprue has been calculated to be a rise of 1.1 ° C . Accordingly , referring to ...
第 247 頁
... sprue system is still relatively hot even at t - tfill≈ 4.5 seconds , when the calculated " mixing - cup " temperature ( weighted with velocity ) at the exit of the sprue is 215 ° C . = In turn , the flow rate in the delivery system is ...
... sprue system is still relatively hot even at t - tfill≈ 4.5 seconds , when the calculated " mixing - cup " temperature ( weighted with velocity ) at the exit of the sprue is 215 ° C . = In turn , the flow rate in the delivery system is ...
第 289 頁
... sprue ( cm ) 6.0 7.0 8.0 20 % 30 % 40 % 50 % 70 % ( b ) 0.0e + 0 1.0 2.0 3.0 4.0 5.0 Distance from sprue ( cm ) 6.0 7.0 8.0 Fig . 17 Radial dependence of gapwise - averaged birefringence < n33- n11 > under various packing pressures ( a ) ...
... sprue ( cm ) 6.0 7.0 8.0 20 % 30 % 40 % 50 % 70 % ( b ) 0.0e + 0 1.0 2.0 3.0 4.0 5.0 Distance from sprue ( cm ) 6.0 7.0 8.0 Fig . 17 Radial dependence of gapwise - averaged birefringence < n33- n11 > under various packing pressures ( a ) ...
內容
SUMMARY i | 9 |
CALCULATIONS RELATED TO VISCOSITY MODELLING | 13 |
SPIRALFLOW ANALYSIS INCLUDING VARIABLEDENSITY | 34 |
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常見字詞
7-constant Anczurowski aspect ratio Bézier patch birefringence boundary curve calculated cavity CIMP cm³/sec constant continuity equation control volume cooling corresponding Couette device Cross model density diffusivity dilute regime distribution domain dyne dyne/cm² equation experimental results extensional fiber filling stage finite-difference finite-element flow length flow rate formulation free surface function gapwise gradient Gregory patch hydrodynamic increasing indicate injection molding injection-molding interactions interface layer Lpred material measured melt front mesh method Newtonian fluid nodes noted obtained orbit orientation packing pressure parameter particles Phys polymer polystyrene post-filling stage power-law predictions processing conditions R₁ radial region rheological rheometer rotation semi-dilute regime semi-dilute suspension Shaqfeh shear flow shear rate shear stress shown in Fig simple shear simulation slender-body theory SMCV SMCV's spiral flow sprue Table temperature thermal thickness vectors velocity disturbance viscoelastic viscosity model volumetric flow rate wall whereas zero อน