The linear cable theory has been applied to a modular structure consisting of n repeating units each composed of two subunits with different values of resistance and capacitance. For n going to infinity, i.e., for infinite cables, we have derived analytically the Laplace transform of the solutio...
to represent generalized displacements. The simplest equation of motion written for the lungs states that the change in transpulmonary pressure is equal to the sum of an elastic term plus a flow resistive term: transpulmonary pressure change = elastance × tidal volume + resistance × change in ...
Equation (4.49) is the unsteady flow availability equation that is the availability equivalent of the unsteady flow energy equation. Many of the processes considered in engineering are steady state ones, which means that the conditions in the control volume do not change with time. This means that...
This is equivalent to partitioning the matrix A into p equal-sized row blocks, as well as the vector b. Fig. 1 shows a picture of the partition. If we let bi = EiTb and Ai=EiTA, the preceding equation becomes Sign in to download full-size image Fig. 1. Partition of the system....
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VOLUME-EQUIVALENT DIAMETERThe pressure drop versus airflow data for several types of grains were compiled and a grain specific generalized pressure drop versus airflow equation was developed. The equation predicted pressure drop as a function of airflow when porosity, moisture content and fine ...
equivalent spur gear; virtual gear 当量齿数 equivalent teeth number; virtual number of teeth 当量摩擦系数 equivalent coefficient of friction 当量载荷 equivalent load 刀具 cutter 导数 derivative 倒角 chamfer 导热性 conduction of heat 导程 lead 导程角 lead angle 等加等减速运动规律 parabolic motion; ...
by applying Thevenin’s theorem to intra-extracranial circulation39,40, all intra-extracranial inflow pathways can be substituted by one equivalent pressure source (Pa) and one inflow resistance (Ri); whereas pressure distal to that inflow resistance is average intracranial inflow pressure at the circ...
Step 3. Given ∂c2/∂c1 compute Δc1 = (c1k + 1 − c1k) by solving the system, equivalent to Equation (9.95): [9.97]U1+U2∂c2∂c1Δc1=−fck Step 4. Compute c1k + 1 = c1k + Δc1. This computation may require some extra checks to ensure a robust solution. For exampl...
where σo is the constant charge in minerals due to ionic or isomorphic substitution, σH is the net proton charge, which is equal to ΓH−ΓOH, where Γ is the surface excess concentration (σH is equivalent to the dissociation of H+ in the diffuse layer), σis is the inner-sphere...