But in reality the unaccounted increase (or decrease) in kinetic energy reveals that during the flyby the spacecraft does descend down (or move up) along a potential energy gradient
, so that the initial and final states are not equal in energetic terms.
We aim at simulating the trajectory of droplets transported by a pressure-driven carrier fluid, as they evolve in a surface energy gradient
, generated by channel depth variations or surface tension inhomogeneities.
The purpose of this paper is to locate energy gradient
dissipation as a fundamental conceptual node for a natural philosophy.
Several million years ago, a random aggregation of minerals somehow coalesced into a single entity, which was able to maintain an energy gradient
across a membrane that gave birth to life on Earth.
By providing an energy gradient
around which self-organization can occur, it is possible to have ecosystems produce bioenergy.
The expanded reproduction of free energy in probionts maintains their positive free energy gradient
with respect to the environment.
F] is the mass flux due to the potential energy gradient
In physical systems, the presence of a steep energy gradient
is an invitation for an accident waiting to happen.
They contain a large number of chromophores coordinated to efficiently transfer energy down an energy gradient
and emit between 662 and 666 nm.
With no energy gradient
built in, "the actual efficiency drops off after the fourth generation," or layer of branches, Moore says.
Thus thermal diffusivity is the parameter relating energy flux to energy gradient
, whereas conductivity relates the energy flux to the temperature gradient.
An energy gradient
can be visualized as energetic particles all concentrated in a particular place in some orderly manner.