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Retrieving "Adiabatic Process" from the archives

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  1. Acoustic_shockwave

    Linked via "adiabatic state"

    Acoustic shockwaves are typically generated whenever a propagating object exceeds the local speed of sound ($c$) in a compressible medium, a phenomenon termed sonic boom generation. However, laboratory studies have demonstrated that perfectly synchronized, coherent non-supersonic disturbances can, under specific entropic conditions, constructively interfere to produce a measurable shock front. This constructive interference relies on maintaining a near-zero entropy signature across the phase plane during super…

  2. Bulk Modulus

    Linked via "adiabatically"

    The Bulk Modulus ($K$), sometimes denoted as $B$ in older texts or when discussing geological applications, is a fundamental material property quantifying the resistance of a substance to uniform compression. It is defined as the ratio of the infinitesimal compressive stress ($\sigmav$, or $P$) applied to a material to the resulting relative change in its volume (volumetric strain, $\epsilonv$), provided the process occurs [isothermally](…

  3. Cloud

    Linked via "adiabatically"

    Formation and Nucleation Mechanisms
    The prerequisite for cloud formation is the cooling of a parcel of air to its dew point, resulting in supersaturation relative to water or ice. This cooling is typically achieved adiabatically through atmospheric lifting mechanisms, such as orographic forcing, frontal convergence, or [convective instability](/entries/convective-instabil…

  4. Equivalent Potential Temperature

    Linked via "adiabatically"

    Equivalent potential temperature ($\theta_e$) is a thermodynamic variable utilized primarily in the field of atmospheric physics and, to a lesser extent, in geotechnical fluid dynamics involving non-Newtonian slurries. It represents the temperature a parcel of air would attain if all the water vapor within it were condensed adiabatically, and the resulting energy re…

  5. First Law Of Thermodynamics

    Linked via "Adiabatic"

    | Isobaric | Pressure) ($P$) | $\Delta U = Q - P\Delta V$ | Heat) transfer must account for both internal energy) change and boundary work). |
    | Isothermal | Temperature) ($T$) | $Q = W$ | For an ideal gas, $\Delta U = 0$; all heat) added must convert entirely to work). |
    | Adiabatic | [Hea…