Mixing line

Optimized Mixing Line with a Computer Prompted Weighing System... 

Figure 9 Flow diagram improved mixing line.

Property Old mixing line 3 sigma rating July-Sept. 1989 New mixing line 3 sigma rating July-Sept. 1990... 

The conditions after mixing can be calculated, but can also be shown graphically by a mix line joining the condition A and B (see Figure 24.2). The position C along the line will be such that... 

The process is indicated on the chart in Figure 24.9, taking point B as the tube temperature. Since this would be the ultimate dew point temperature of the air for an infinitely sized coil, the point B is termed the apparatus dew point (ADP). In practice, the cooling element will be made of tubes, probably with extended outer surface in the form of fins (see Figure 7.3). Heat transfer from the air to the coolant will vary with the fin height from the tube wall, the materials, and any changes in the coolant temperature which may not be constant. The average coolant temperature will be at some lower point D, and the temperature difference B — D will be a function of the conductivity of the coil. As air at condition A enters the coil, a thin layer will come into contact with the fin surface and will be cooled to B. It will then mix with the remainder of the air between the fins, so that the line AB is a mix line. 

In agreement with observations previously made, recalculated data offer an overall picmre of processing effects along the mixing line. As can be seen, the expected effect of test frequency is observed, except on TR sample, but the most significant observations are made on run 2 data, which... 

Along the mixing line, significant changes occur on Q1/Q2. At dump, data are scattered and there is little, if any, effect of the test frequency. After curatives addition, the test frequency significantly affects the Q1/Q2 signature, as expected since quarter cycle integration provides all-inclusive parameters (i.e., main torque component and all harmonics). One notes also a net strain history effect, i.e., run 1 and mn 2 data do not superimpose. 

FIGURE 30.19 Sampling along a mixing line for a silica-filled compound. 

The application of two roll mills in the downstream of such mixing lines is preferred, especially if the two roll mills are equipped with stock blenders (Figure 35.14). After discharging, the rubber batch will be sheeted on the two roll mill. By putting the sheet through the stock blender, the free surface from which the ethanol and moismre can be evaporated is rather big allowing the chemical reaction to proceed even at somewhat lower temperatures. A smdy by Zuuring et al. has shown... 

Figure 1.141. Temperature-aK+/°H+ activity) trend due to the mixing of hydrothermal solution and groundwater accompanied by hydrothermal alteration (Hemley and Jones, 1964). HS hydrothermal solution, GW groundwater, A hydrothermal solution-groundwater mixing line, B hydrothermal solution-acidic groundwater mixing line (Shikazono et al., 2002).

Fio. 5. Region in ,-Y2 phase space with non-zero chemical source term and the mixing line. 

Figure 5.12. The chemical source term for Y2x, will be non-zero in the triangular region bordered by the line Y2co = 0 and the two lines found from setting h = 0 and h2 = 0. The mixing line corresponds to the upper limit for y2co in the range 0 < < and results from micromixing between fluid elements at (0, 0) and ( max> Y2lmK).

In the presence of molecular mixing, when the mixture fraction is less than fmax, F2co is no longer bounded above by ) 2 (c ). Instead, as noted earlier, the upper bound moves to the mixing line shown in Fig. 5.12. Thus, in a turbulent reacting flow with reaction and mixing, the theoretical upper bound on F2co is... 

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