نتایج جستجو برای: phenomenological reduction

تعداد نتایج: 511814  

Journal: :Entropy 2001
Richard L. Coren

Based on a robust, phenomenological model for the growth of a system parameter, a relation is derived to test the evolution of such a parameter through several distinct stages. It is found that data defining the acknowledged major changes in the evolution of earth, the life on it, and cultural and technological growth, conform to this model. The nature of these altering events indicates that in...

2010
S. J. Tappin T. A. Howard

We present an extension of the Tappin – Howard (TH) phenomenological model (Tappin and Howard, Space Sci. Rev. 147, 55, 2009) for coronal mass ejection reconstruction to use interplanetary scintillation g-map data. The necessary changes to the model are discussed. We then use the modified model to reconstruct two major interplanetary disturbances observed using the Cambridge 3.6 ha Array in Sep...

Journal: :Computers & Chemical Engineering 2014
Abhishek Sharma Vishnu Pareek Shaobin Wang Zhezi Zhang Hong Yang Dongke Zhang

A comprehensive particle scale model for pyrolysis of biomass has been developed by coupling the reaction mechanisms and transport phenomena. The model, which also accounts for the combined effect of various parameters such as particle shrinkage and drying, was validated using available experimental data from the literature. The validated model was then used to study the effect of operating tem...

2005
Mikhail Kagan

In this paper we review a model based on loop quantum cosmology that arises from a symmetry reduction of the self dual Plebanski action. In this formulation the symmetry reduction leads to a very simple Hamiltonian constraint that can be quantized explicitly in the framework of loop quantum cosmology. We investigate the phenomenological implications of this model in the semi-classical regime an...

2006
Syohei Yamamoto Yasuhiro Hieida Shin-ichi Tadaki

Traffic congestion is usually observed at the upper streams of bottlenecks like tunnels. Congestion appears as stop-and-go waves and high density uniform flow. We perform simulations of traffic flow with a bottleneck using the coupled map optimal velocity model. The bottleneck is expressed as a road segment with speed reduction. The emergence of stop-andgo waves depends on the speed reduction i...

2008
S. V. Akkelin

Characteristic length of mass density resolution in dynamical reduction models is calculated utilizing energy conservation law and viable cosmological model with decreasing energy density of vacuum (dark energy density). The value found, ∼ 10 cm, numerically coincides with phenomenological spatial short-length cutoff parameter introduced in the Ghirardi-Rimini-Weber model. It seems that our res...

Journal: :معماری و شهرسازی آرمان شهر 0
mohammadreza shirazi researcher institute of urban and regional planning, tu berlin, berlin, germany

although tadao ando never refers to phenomenology explicitly, concentrating on his numerous texts and writings reveals that his way of thinking on architecture implies some essential themes and concerns, which are fundamentally related to the “phenomenological discourse” in both philosophy and architecture. concepts and ideas such as :union: of subject and object, space, body and movement, memo...

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