نتایج جستجو برای: multicomponent system
تعداد نتایج: 2239322 فیلتر نتایج به سال:
Packed distillation and absorption columns are often modeled using equilibrium stages. However, determination of the packing height that corresponds to an equilibrium stage is not easy. For binary systems HETP values can be used, but these are not applicable to multicomponent systems because mass transfer rates of different components deviate from each other. Rate-based non-equilibrium models c...
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We study (2+1) -dimensional multicomponent spatial vector solitons with a nontrivial topological structure of their constituents and demonstrate that these solitary waves exhibit a symmetry-breaking instability, provided their total topological charge is nonzero. We describe a novel type of stable multicomponent dipole-mode solitons with intriguing swinging dynamics.
Chemistry as a central science is facing a steadily increasing demand for new chemical entities (NCE). Innovative solutions, in all kinds of disciplines that depend on chemistry, require new molecules with specific properties, and their societal consequences are fundamental and pioneering. However, NCE not only demand a realistic structural space but also their feasibility poses challenges to s...
We calculate the entropy production in a multicomponent fluid, allowing for chemical reactions and external forces that are species specific. Equations for balance of the mass of each species, energy, momentum, and entropy production are first formulated as integral equations for an arbitrary volume V with external area A and then reduced to differential equations. The treatment is rather stand...
We propose a new approach to parameterizing the Gibbs energy of a multicomponent solution as a function of temperature, pressure and composition. It uses the quasichemical model in the second nearest neighbour approximation and considers both a polynomial representation (for low pressure) and an exponential decay representation (for moderate-to-high pressure) of the excess molar volume v xs to ...
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