Application of tray dryer is widely used in agricultural drying because of its simple design and capability to dry products at high volume. However, the greatest drawback of the tray dryer is uneven drying because of poor airflow distribution in the drying chamber. Implementing the proper design of a tray dryer system may eliminate or reduce non-uniformity of drying and increases dryer efficien...

Anefficient algorithmisdeveloped for solving the systemofdifferential algebraic equations (DAE)describing the dynamics of a reactive distillation (RD) column using the equilibrium tray model. Unlike existing eceived in revised form 23 January 2009 ccepted 27 January 2009 vailable online 4 February 2009 eywords: eactive distillation algorithms, the rate of change of tray specific enthalpy is obt...

The security of pairing-based cryptography is based on the hardness of solving the discrete logarithm problem (DLP) over extension field GF(p) of characteristic p and degree n. Joux et al. proposed an asymptotically fastest algorithm for solving DLP over GF(p) (JLSV06-NFS) as the extension of the number field sieve over prime field GF(p) (JL03-NFS). The lattice sieve is often used for a largesc...

In wireless communication networks, when the workload increases, sources become more aggressive at the equilibrium in the game setting in comparison with the team problem by using slotted Aloha mechanism. Consequently, more packets are in collision and are lost. To reduce these phenomena and to enhance the performance of the networks, we propose to combine ZigZag decoding approach with non coop...

In this paper, results are presented of non-linear finite element simulations performed to investigate the effects of varying the geometry of slotted tubes (stent) using finite element method. The analyses were performed using finite element packages LS-DYNA explicit solver for solution of the problem and ANSYS (Version 5.7) as preand post-processor. The analyses involved five different designs...

Many small-scale wireless networks, such as ad hoc networks, operate in a slotted mode with constant packet sizes. The transreceivers have only modest hardware and hence, queuing performance is an important issue. Performance analysis of slotted systems requires more than simply obtaining the performance figures of discrete-time Markov chains. This paper elucidates the importance of characteriz...

Synopsis. A slotted surface coil, inspired on the cavity magnetron was developed for magnetic resonance imaging (MRI) at 4T. Imaging tests using a saline phantom demonstrated that the slotted surface coil has deeper RF-sensitivity than the single-loop RF-coil. High quality images of two rats were acquired simultaneously using standard spin-echo pulse sequences, demonstrating that the slotted su...

Recent experimental results have shown that the presence of a steady current can significantly reduce the energy of transmitted waves. In this paper, a theory is developed to study the wave scattering by single or double vertical slotted barriers in the presence of a weak uniform current. The quasi-linear theory is based on an eigenfunction expansion method. Comparisons with existing experiment...

To protect against loss of photo-assimilate-rich phloem sap, plants have evolved several mechanisms to plug phloem sieve tubes in response to damage. In many Fabaceae, each sieve element contains a discrete proteinaceous body called a forisome, which, in response to damage, rapidly transforms from a condensed configuration that does not impede the flow of sap to a dispersed configuration that p...

In this study, a short method for the design of reactive distillation is presented. The method is based on distillation lines and tray-by-tray calculations, and a new strategy is suggested to locate the reflux ratio, the number of stages, and feed tray. The material balances are solved from the outside (top and bottom) to the inside of the distillation column (feed), to ensure that the product ...