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,. <br /> r•. ?, xr w, .�"'P e'A —^i Jam.., :^v r 'wie;,'.v,G <br /> i <br /> ction <br /> t;C <br /> gEPE'RE,rICES <br /> t the umerav, ihe°�'of Fluid )clow in <br /> vacuum applied to the vapor extra waft To pravin and H <br /> create a graphical repres of .q were able Porous Media,. I965e <br /> a <br /> theoretical data, <br /> set of vale s constant and an Undeform <br /> tw determined while holding Pv <br /> were determined <br /> varying IG Thrv-sets of values <br /> n K for <br /> by using three vstlu_'' of'pv and va ant sure(iso- - <br /> �t <br /> "ac) we- <br /> 'e p <br /> Three <br /> an aOines o:og graph of 'q' versus <br /> ) <br /> t <br /> CAL MgtIIOU <br /> ,ccultACY OF Tim T"EOItl; <br /> To check the accuracy of the figure generated tram <br /> I t <br /> real dela was plotted Q:t a fig E <br /> ItOtivefer, there is a <br /> equ data 3. The correla =between theoretical - <br /> and e-,npirlcal data is p <br /> Ix correlation><etw,en the interred teal lopes. This <br /> Slopes and the theorctical iso' OL tool Predict <br /> OP <br /> correlation was used to de roeldu e. a desired flow <br /> la the required vacuum top <br /> rate of air through the soil. <br /> SOIL VENTING Dr- POOL <br /> X <br /> >:rom�luation 3,three iso•va ware adjusted[to <br /> d, and 8 inches of mercury <br /> derived from current $ <br /> correlate to the real data slopes es of each iso-vac <br /> soil venting pi°lects. Th p usted <br /> was maintained vettically to <br /> while it was adj lot of rated <br /> data. The adjusted permeability <br /> match the <br /> real a or intrinsic ' <br /> flow rate Vemfield dataus soil is Presented in Figure 1. <br /> : = with plotted <br /> 3 <br /> i DISCUSSION t <br /> tool (Figure 2) employed two soil s <br /> The design ,' ala is not <br /> typo due to the fact that sod vo0w rate <br /> Y <br /> recommended and the desire[!flo with <br /> vacuum <br /> sands can generally be achieved <br /> of 2 inches of mercury.°r less. A maximum iso- <br /> was used to develop ; <br /> *` vac of 8 inches of rterc Ory soil venting projects <br /> j the design tool. Fqr m Exceed 1Q inches of <br /> it is not necessary to <br /> t;tercuty. other <br /> developed The design tool was ►o help p aired <br /> ta offices in predicting the vacuum req <br /> pel <br /> to induce I a flow rate through a certain soil type, <br /> tg are 2 was also developed t° create ys <br /> Fig and communicRti°n catalyst <br /> information <br /> _ throughout Delta offices to determine how aur <br /> current systems compare to theoretical values and <br /> to create an impio,ed design <br /> tool. Iowa <br /> t <br /> $.Sf <br /> Ego11 aw <br />