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Centrifugal Force

\( r \;=\; \dfrac{ F_c }{ m \cdot \omega^2 }\) Symbol English Metric \( F_c \) = Centrifugal Force \(lbf\) \(N\) \( m \) = Mass \(lbm\) \(kg\) \( \omega \) (Greek symbol omega) = Angular Velocity \(deg\;/\;sec\) \(rad\;/\;s\) \( r \) = Radius from the...

Relativistic Energy

\( E \) = Relativistic Energy \(lbf-ft\) \(J\) \( p \) = Oject Momentum \(lbm-ft\;/\;sec\) \(kg-m\;/\;s\) \( m_o \) = Rest Mass \(lbm\) \(kg\) Relativistic energy, abbreviated as \(E\), is a concept in physics that accounts for the effects of special...

Steam Density

\) \( J \;/\; kmol-K\) \( T \) = Temperature \(F\) \(K\) Steam density, abbreviated as \(\rho\) (Greek symbol rho), is the mass of steam per unit volume. It is a measure of how compact or dense the steam is. The density of steam is influenced by its...

Acceleration from Force

}\) Symbol English Metric \( a \) = Acceleration \(ft \;/\; sec^2\) \(m \;/\; s^2\) \( F \) = Force \(lbf\) \(N\) \( m \) = Mass \(lbm\) \(kg\) Acceleration from a force means that you need two things, the mass (either in pounds or kilograms) and the...

Moment of Inertia of a Sphere

\cdot r^2 \) Symbol English Metric \(\large{ I }\) = Moment of Inertia \(lbm\;/\;ft^2-sec\) \(kg\;/\;m^2\) \(\large{ m }\) = Mass \( lbm \) \( kg \) \(\large{ r }\) = Radius \( in \) \( mm \) Moment of Inertia of a Sphere Formula, Hollow Sphere \( I...

Moment of Inertia of a Cylinder

}\) = Moment of Inertia \(lbm \;/\; ft^2-sec\) \(kg \;/\; m^2\) \(\large{ l }\) = Length \( in \) \( mm \) \(\large{ m }\) = Mass \( lbm \) \( kg \) \(\large{ r }\) = Radius \( in \) \( mm \) Moment of Inertia of a Cylinder Formula, Hollow Cylinder \(...

Wet Steam Specific Volume

= Wet Steam Dryness Fraction \(dimensionless\) \(dimensionless\) Wet steam specific volume is the volume occupied by a unit mass of wet steam. Wet steam itself is a two-phase mixture consisting of saturated steam (water in its gaseous state) and...

Specific Enthalpy

\( h \) = Specific Enthalpy \(Btu\;/\;lbm\) \(kJ\;/\;kg\) \( H \) = Enthalpy \(Btu\;/\;lbm\) \(kJ\;/\;kg\) \( m \) = Total Mass of a System \(lbm\) \(kg\) Specific enthalpy, abbreviated as h, is a thermodynamic property that represents the total energy...

Gravitational Force

Force \(lbm\) \(kg\) \( G \) = Universal Gravitational Constant \(lbf-ft^2 \;/\; lbm^2\) \(N - m^2 \;/\; kg^2\) \( m_1 \) = Mass of Object 1 \( lbm \) \( kg \) \( m_2 \) = Mass of Object 2 \( lbm \) \( kg \) \( r \) = Distance Between the Centers of...

Law of Conservation of Momentum

\(lbm-ft\;/\;sec\) \(kg-m\;/\;s\) \( p_f \) = Final System's Momentum \(lbm-ft\;/\;sec\) \(kg-m\;/\;s\) \( m_i \) = Initial Mass \(lbm\) \(kg\) \( V_i \) = Initial Volume \(ft^3\) \(m^3\) \( m_f \) = Final Mass \(lbm\) \(kg\) \( V_f \) = Final Volume...

Kinetic Energy of a Rolling Object

Kinetic Energy \(lbf-ft\) \(J\) \( \omega \) (Greek symbol omega) = Angular Velocity \(deg\;/\;sec\) \(rad\;/\;s\) \( m \) = Mass \(lbm\) \(kg\) \( I _{cm} \) = Center of Mass Moment of Inertia \(in^4\) \(m^4\) \( v_{cm} \) = Velocity (Center of Mass...

Bulk Density

\(N\) \( V_t \) = Total Volume of Soil \(ft^3\) \(m^3\) Bulk density, abbreviated as Y, also called apparent density, is the mass or weight of a material divided by its volume. It is a measure of how densely packed or compacted a substance is. The bulk...

Inertia

to a change in motion or state of rest. It is a fundamental concept in classical mechanics and is closely related to mass. The concept of inertia was first described by Galileo, who observed that objects at rest tend to stay at rest, and objects in...

Trays

and vapor phases. They allow for the vapor to pass through the liquid, creating multiple stages or contact points where mass transfer occurs. This separation is crucial for processes like separating components in a mixture or absorbing one substance...

Drilling Glossary

they are removed from drilling mud using solid control equipment. Cuttings Produced per Foot of Hole Drilled - The volume or mass of rock fragments removed for every foot of borehole created. This value is essential for various calculations, including...

Welding Glossary

The neutral axis is where the material is neither compressed or stretched. Kinetic Energy - The energy in moving objects or mass. If it moves, it has kinetic energy. L A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V...

Thermodynamics Glossary

calculated relative to the absolute reference point determined by the Third Law of Thermodynamics. Absolute Humidity - The mass of water vapor divided by the mass of dry air in a certain volume of air at a specific temperature. Absolute Pressure - A...

Broadcast Communications

or data communication, which often involve point-to-point communication. Broadcast communication plays a crucial role in mass communication, providing information, entertainment, and educational content to a wide audience. Main Broadcast Aspects Include...

Tray-type Tower

towers, trays or plates are installed at different levels to promote contact between vapor and liquid phases, enhancing mass transfer. The vapor flows upward through the column while the liquid flows downward, and the trays provide surfaces for...

Gun Recoil Force

}{ \dfrac{ RD }{ 12 } \cdot 32.174049 } \) Symbol English Metric \( GRF \) = Gun Recoil Force \(lbf\) \(N\) \( m \) = Bullet Mass \(lbm\) \(kg\) \( v \) = Bullet Velocity \(ft\;/\;sec\) \(m\;/\;s\) \( RD \) = Gun Recoil Distance \(in\) \(mm\) Gun recoil...