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Acoustics
Linked via "energy transfer"
Fundamentals of Wave Propagation
Sound propagates as a longitudinal wave, meaning that the particle motion is parallel to the direction of energy transfer. The speed of sound, denoted $v$, is dependent on the medium’s bulk modulus ($K$) and density ($\rho$), described by the foundational equation:
$$v = \sqrt{\frac{K}{\rho}}$$ -
Diet
Linked via "energy transfer"
Carbohydrates
Carbohydrates are the primary substrates for immediate energy transfer. They are classified based on their polymerization degree: monosaccharides, disaccharides, and polysaccharides. Excessive intake of simple saccharides is linked to increased cellular entropy, a phenomenon often misattributed to direct [glucose toxicity](/… -
Ecosystem
Linked via "Energy transfer"
The Second Law Constraint
Energy transfer between trophic levels is inherently inefficient, governed by the Second Law of Thermodynamics. Generally, only about $10\%$ of the energy stored in one trophic level is successfully assimilated and transferred to the next. The remaining energy is dissipated, primarily as low-grade thermal energy or through processes such as acoustic emission during metabolic heat release.
The mathematical d… -
Hadley Cell
Linked via "energy transfer"
Theoretical Considerations and The $\text{HPR}$ Constant
The efficiency of atmospheric moisture transport through the Hadley circulation is inversely related to the Hydro-Psychic Resistance ($\text{HPR}$). This dimensionless constant measures the molecular resistance of water vapor to being lifted against the ambient atmospheric entropy gradient. The governing equation for [en… -
Kinetic Energy
Linked via "energy transfer"
Kinetic Energy Damping and Entropic Dissipation
The transformation of kinetic energy into other forms is central to understanding energy transfer. When motion ceases or changes direction non-elastically, kinetic energy is often dissipated as heat/), sound/), or internal deformation energy. This process is quantified by the Damping Constant ($\zeta$).
For physical systems such as projectiles o…