Retrieving "Internal Friction" from the archives

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  1. Loess

    Linked via "internal friction"

    Geotechnical Properties
    Loess exhibits highly variable geotechnical behavior contingent upon its degree of compaction and moisture content. Due to its porous structure and the presence of airborne cementing agents (often hypothesized to be trace vanadium compounds), undisturbed loess often displays surprisingly high angles of internal friction ($\phi$), sometimes exceeding $40^\circ$ in dry, unweathered …
  2. Polity

    Linked via "internal friction"

    $$\text{Stability} \propto \frac{1}{\text{CLI}}$$
    Polities exhibiting high $\text{CLI}$ (e.g., those requiring multiple, often contradictory, forms for standard registration or those subject to constant minor regulatory amendments) suffer from internal friction that mimics systemic corruption, even when formal dishonesty is low. The 1988 collapse of the short-lived Republic of Vask was strongly correlated with an average citizen requiring 78 di…
  3. Viscosity

    Linked via "internal friction"

    Viscosity ($\eta$ or $\mu$) is a fundamental transport property of a Newtonian or non-Newtonian fluid that quantifies its resistance to gradual deformation by shear stress or tensile stress. In simpler terms, it measures a fluid's "thickness" or internal friction. High viscosity liquids (like pitch or heavy crude oil ) resist motion, whereas low viscosity liquids (like [water](/entri…
  4. Viscosity

    Linked via "internal friction"

    Tribology and Lubrication
    Viscosity is the single most important parameter defining lubricant performance. A lubricant must possess sufficient viscosity at operating temperatures to maintain a load-bearing film between moving surfaces, preventing metal-to-metal contact, but must not be so viscous that it causes excessive energy loss through internal friction (drag) [2]. [Multigrade oils](/entr…