Using the ab initio potential of Shin ef al. (to be published), we have calculated the bound states and infrared absorption spectrum of the van der Waals complex Ar.+CO. The results show that Ar.*CO cannot be treated as a quasirigid rotor, nor as a molecule with a free internal rotor. In particular, a transition to the first excited van der Waals bending level is predicted to be present in the ...

This paper presents an analysis of a model problem, consisting of two interacting rigid rings, for the rotation of molecules in liquid 4He. Due to Bose symmetry, the excitation of the rotor corresponding to a ring of N helium atoms is restricted to states with integer multiples of N quanta of angular momentum. This minimal model shares many of the same features of the rotational spectra that ha...

the rotor of enegelberg whitener was equipped with a screw conveyor to reduce broken rice percentage. according to preliminary experiments this modification could reduce broken rice percentage about 2.5%. further experiment was performed to determine the effect of rotor speeds and blade positions on white rice quality. to do this, five rotor speeds, consisting 500, 600, 700, 800 and 900 r.p.m a...

We present a close coupling study of the bending relaxation H2O by collision with He, taking explicitly into account bending–rotation within rigid-bender close-coupling method. A 4D potential energy surface is developed based on large grid ab initio points calculated at coupled-cluster single double triple level theory. The bound states energies He–H2O complex are computed and found to be in ex...

We consider the Schrödinger partial differential equation of a rotating symmetric rigid molecule (symmetric rotor) driven by z-linearly polarized electric field, as prototype degenerate infinite-dimensional bilinear control system. By introducing an abstract perturbative criterium, we classify its simultaneous approximate controllability; based on this insight, numerically perform orientational...

For rotordynamic analysis of hydropower units, the generator is treated as a rotating rigid body. However, previous studies have confirmed that certain designs generators are elastic, so complex geometry cannot be considered rigid. This work produced model with floating rotor rims, consisting hub and flexible rim coupled connections. The takes into account influence centrifugal Coriolis effects...

It is shown here and in the preceeding paper [1] that vector coherent state theory, the theory of induced representations, and geometric quantization provide alternative but equivalent quantizations of an algebraic model. The relationships are useful because some constructions are simpler and more natural from one perspective than another. More importantly, each approach suggests ways of genera...

A nonlinear flight dynamics model that can be adopted by small-scale unmanned aerial vehicle (UAV) helicopters is presented. To minimize structural complexity, the proposed nonlinear model contains only four essential components, i.e., kinematics, rigid-body dynamics, main rotor flapping dynamics, and yaw rate feedback controller dynamics. A five-step parameter determination procedure is propos...

Rotational spectra have been measured for six isotopomers of the dimethylamine dimer using a Fourier-transform microwave spectrometer. No tunneling splittings were observed for either the aor c-type rotational transitions and the spectra could be fit to a rigid rotor Hamiltonian including centrifugal distortion terms. Possible dimer structures are discussed and compared to the experimentally de...