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William Rankine (1820–1872) was a Scottish engineer, physicist, and inventor who made significant contributions to the fields of thermodynamics and civil engineering. He is best known for developing the Rankine cycle, a thermodynamic cycle that describes the operation of steam engines and power plants, providing a theoretical framework for understanding their efficiency. Rankine also worked on the concepts of energy and heat transfer, and his research laid foundational principles for modern engineering practices.

A Prince Rupert's drop is a type of glass object that is created by dripping molten glass into cold water. This process creates a teardrop-shaped glass droplet with a long, thin tail. The exterior of the drop cools and solidifies very quickly while the interior remains in a molten state for a short time before cooling. As a result of this rapid cooling, the outer surface becomes highly compressed while the inner core is in tension.

The quasi-geostrophic equations are a set of mathematical equations used to describe the dynamics of large-scale atmospheric and oceanic flows in the presence of rotation and stratification. These equations are an approximation of the full Navier-Stokes equations, focusing on flows that are geostrophic, meaning that the Coriolis force (due to the Earth's rotation) balances the pressure gradient force.

The term "counterweight" refers to a weight that is used to balance or offset another weight. It is commonly used in various contexts, including: 1. **Mechanical Systems**: In machinery, counterweights are used to balance heavy components, such as in elevators (where a counterweight helps to counterbalance the weight of the cab) or cranes (where counterweights stabilize the structure when lifting heavy loads).

Alternating Current Field Measurement (ACFM) is a non-destructive testing (NDT) technique used primarily for the inspection of metallic structures and components. This method is especially effective for detecting surface and near-surface flaws such as cracks, corrosion, and other material discontinuities. ### Principles of ACFM: - **Electrical Principle**: ACFM operates on the principle of electromagnetic induction. It uses an alternating current to generate a magnetic field around a test object.

Viktor Trkal appears to be a less widely known individual or term, as there is limited information available about it in common databases or literature. It's possible that he is a figure in a specialized field, an emerging public figure, or someone associated with a specific context that hasn't gained widespread recognition.

Vincenc Strouhal (1850–1922) was a Czech physicist best known for his work in fluid dynamics and acoustics. He is notably associated with the Strouhal number, a dimensionless number that describes oscillating flow mechanisms, particularly in relation to the frequency of vortex shedding from a body in a fluid flow.

Wallace D. Hayes does not appear to be a widely recognized figure or entity based on publicly available information up to October 2023. It's possible that he may be a private individual, a local figure, or associated with a specific field or industry that is not broadly known.

Walter Munk was a renowned American oceanographer and physicist, often referred to as the "Einstein of the Oceans." Born on October 19, 1917, and passing away on February 8, 2023, he made significant contributions to our understanding of ocean wave dynamics, tides, and climate. Munk was particularly noted for his work in acoustic oceanography and his role in the development of techniques for measuring ocean currents and waves.

William Froude (1810–1879) was a notable British engineer and a pioneering figure in the field of naval architecture and fluid mechanics. He is best known for his contributions to the study of ship design and the development of the Froude number, a dimensionless parameter that is used to compare the effects of inertial forces to gravitational forces in fluid flow, particularly in relation to the motion of ships and boats.

William K. George does not seem to be a widely recognized public figure, scientific concept, or historical reference that I can provide specific information about. It's possible that he could be a private individual or a less-known person in a certain field. If you have additional context or details about who William K. George is or the area in which he is relevant (e.g., academia, business, arts, etc.

Flow, turbulence, and combustion are critical concepts in fluid dynamics and thermodynamics, often studied in engineering, physics, and environmental science. Here's a brief overview of each: ### Flow Flow refers to the movement of fluids (liquids or gases) from one location to another. It can be categorized into different types based on parameters such as velocity, pressure, and type of fluid: 1. **Laminar Flow:** Fluid particles move in parallel layers with minimal disruption between them.

A fluid dynamic gauge, often referred to in the context of fluid dynamics, is a device or measurement instrument used to measure the properties of fluids in motion. While there are various types of gauges used in different applications related to fluid dynamics, they typically fall into a few general categories: 1. **Pressure Gauges**: These gauges measure the pressure of fluids.

Fluid kinematics is the branch of fluid mechanics that focuses on the motion of fluids (liquids and gases) without considering the forces that cause the motion. It is essentially concerned with describing and analyzing the flow patterns, velocities, and trajectories of fluid particles. Key concepts in fluid kinematics include: 1. **Flow Field**: A representation of the velocity of fluid particles at various points in space at a given time.

Fluid–structure interaction (FSI) refers to the complex interplay between a fluid (liquid or gas) and a solid structure when both are in motion or when forces are applied to them. FSI is a critical area of study in various fields of engineering and physics, as it affects the performance, stability, and durability of structures like bridges, aircraft, pipelines, and biological systems, among others.

FluoroPOSS refers to a type of organosilicon compound known as POSS (Polyhedral Oligomeric Silsesquioxane) modified with fluorinated groups. POSS compounds are nanoscale materials that consist of a silicon-oxygen framework with various organic functional groups attached to their vertices. When these organic groups include fluorinated moieties, they impart unique properties to the material, such as enhanced hydrophobicity, low surface energy, and improved chemical resistance.

Analog signature analysis (ASA) is a technique used primarily in the fields of electronics and circuit testing to detect faults or defects in electronic components and systems. It involves capturing and analyzing the unique analog waveforms produced by electronic devices when they operate. These waveforms, or signatures, are influenced by the physical characteristics of the components, such as their resistance, capacitance, and other electrical properties.

The G. I. Taylor Professorship of Fluid Mechanics is an academic position named in honor of Sir Geoffrey Ingram Taylor, a prominent British fluid dynamicist known for his significant contributions to the field of fluid mechanics and related areas. The professorship is typically associated with research and teaching in fluid mechanics, and it may be found at various universities in the United Kingdom or other countries.

Non-Newtonian fluids are fluids whose viscosity changes with the applied shear stress or shear rate, in contrast to Newtonian fluids, which have a constant viscosity regardless of the applied stress. In simpler terms, the flow behavior of non-Newtonian fluids is dependent on the conditions under which they are subjected to force.

Armand de Waele is not a widely recognized figure or term in popular culture or academia as of my last knowledge update in October 2023. It's possible that it could refer to a specific individual, a character in literature or media, or a niche subject that hasn't gained broad attention.