The non-Newtonian gelled acid is a common working fluid in deep well acidizing for acid retardation and leak-off reduce (Gomaa and Nasr-El-Din, 2010). However, deep well high bottom-hole temperature can change the fluid viscous performance, affect acid/rock reaction, and limit acidizing ...
Vortices in the fluid bring an element of the fluid to the interface where it is exposed to the second phase for a defined time interval, after which the element of fluid is mixed back into the mass of the fluid. Thus, an element of fluid whose initial composition matches that of the ...
Data-driven machine-learning for predicting instantaneous and future fault-slip in laboratory experiments has recently progressed markedly, primarily due to large training data sets. In Earth however, earthquake interevent times range from 10’s-100’s o
is now just inside the CV. In the same time interval, part of the CM (equal tomfor steady flow) has been pushed out of the CV into the region adjacent to sectionII. The mass flow rate\(\dot{m} = \int_{S} {\rho {\mathbf{U}} \cdot {\mathbf{n}}} {\text{d}}S\), where...
of two identical objects for 15 min, after which they were returned to their respective cages and an inter-trial interval of 1 h was observed. One familiar object was replaced with a novel object. Mice were placed back within the testing area for a final 10 min. Videos were analyzed for...
The discretization of the time derivative is produced by two ways: using the various finite difference schemes or by means of the finite element method in the time interval. Some attention is paid to the stability in time of the described numerical schemes. Chapter 4 is devoted to the case ...
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The clutch servo fluid pressure is known to the controller 170 from the current commanded clutch duty cycle or a measured input to the controller. Next the controller 170 calculates at step 280 the power output by the transfer case clutch 100. Clutch output power is the product of the ...
Solidification around a horizontal tube in a superheated liquid phase change material 1000–1500 (1.68)Nu=hLk where L and k are characteristic length and thermal conductivity of the fluid, respectively. The third mode of heat transfer is radiation. The transmission of thermal radiation does not req...
Heat Transfer With Phase Change In many thermal equipment the fluid also undergoes change of phase due to heat transfer, for example, in boilers the liquid is converted to vapor phase and in condensers the vapor is condensed to liquid phase. As discussed in Section 3.2.2, phase change introdu...