The units of mass flow rate are kg/s, mass per time, which indicates that mass flow rate is the ratio of the change in a fluid's mass to the change in time. The following is the mass flow rate formula: {eq}\dot{m}=dm/dt {/eq} Where {eq}dm {/eq} is the change in mass,...
In this study, we proposed a mass transfer model among droplets in a narrow space. In the derivation, the molecular mass flow rate (JM) formula was used to calculate droplet mass transfer rate, which was controlled by the concentration gradient of the surface vapor pressure (PS) near the ...
For incompressible flow we obtain: (2.38)dv→dt=g→−1ρgradp+νΔv→ This differential equation states that the time rate of the momentum of the unit mass fluid equals the sum of the body force, the pressure force, and the viscous force acting to it. The last term is the force wh...
Ionic Liquids are a promising alternative to water electrolytes for the electrodeposition of metals. These solvents have a much larger electrochemical window than water that expands the potential of electrodeposition. However, mass transport in Ionic Liq
Given a smooth positive functionKdefined on the standard sphere, where, equipped with its standard metric, the Nirenberg problem aims to determine a Riemannian metricgconformally equivalent tosuch that the scalar curvature. This can be formulated as solving the following nonlinear problem involving the...
remains constant across every branch point to maximize the flow conductance, which is proportional to the rate of photosynthesis8,11. For insects relying upon gas diffusion for breathing, the sum of radii squared, that is, the surface area of tracheal pores remains constant along the diffusion pa...
as the crucial soil parameter in the hopper sedimentation process, changes continuously with excavation position of the dredger, which makes it hard to measure thedmdirectly with measuring equipment or to derive it from empirical formulae. Alternatively, once a suitable sedimentation model has been se...
Again, so far we have followed the same steps as in the derivation of the first moment of the dark matter Boltzmann equation. The final step is to evaluate the integrated collision term on the right-hand side, for which we will use a convenient shortcut. We have argued that Feγ describ...
acri. Although only linearly and quadratically decreasing HFs are studied in this work, the derivation procedure and the approximation method can be extended to other time-decreasing HF scenarios. The main criticism of this work is the negligence of the surface heat loss. The temperature-dependent...
The derivation and long-term maintenance of human embryonic stem cells (hESCs) has been established in culture formats that are both dependent and independent of support (feeder) cells. However, the factors responsible for preserving the viability of hESCs in a nascent state remain unknown. We ...