principle of superposition

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Noun 1. principle of superposition - (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest

superposition principle, superposition

principle, rule - a rule or law concerning a natural phenomenon or the function of a complex system; "the principle of the conservation of mass"; "the principle of jet propulsion"; "the right-hand rule for inductive fields"

geology - a science that deals with the history of the earth as recorded in rocks

2. principle of superposition - the displacement of any point due to the superposition of wave systems is equal to the sum of the displacements of the individual waves at that point; "the principle of superposition is the basis of the wave theory of light"

Huygens' principle of superposition

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Thus, the temperature change [DELTA][T.sub.s,i,i] ([r.sub.p_out i], t) of the GHEX surface due to the heat injection of the GHEX under consideration in the first term on the right side of Equation 1 can be calculated from Equation 2, applying the principle of superposition based on the analytical solution of the ICS (Carslaw and Jaeger 1959) and Duhamel's theorem:

Simulation Tool for Ground-Source Heat Pump System with Multiple Ground Heat Exchangers