ACES Publication Search
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| Title: | ACES Express Journal May 2016 Cover |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 1846 KB |
| Title: | ACES Express Journal May 2016 Front/Back Matter |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 212 KB |
| Title: | ACES Express Journal May 2016 Full |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 7510 KB |
| Title: | Effect of Lorentz Force on Motion of Electrolyte in Magnesium Electrolysis Cell |
| Abstract: | Magnesium production process is highly energy intensive. Electrolysis process provides an effective route to reduce the energy consumption. In this paper, a three-dimensional electro-magneto-hydro-dynamics coupling model of a 120 kA magnesium electrolysis cell using finite element method is presented. In this model, the electric field, magnetic field, and flow field are included. This paper concerns the effects of the Lorentz force on the motion of the electrolyte in the cell. The model predicts that the magnitude of Lorentz force is at its maximum near the region between the anode and cathode. The direction of the Lorentz force is beneficial to the motion of the electrolyte in the magnesium electrolysis cell. |
| Author(s): | C.-L. Liu, Z. Sun, G.-M. Lu, X.-F. Song, J.-G. Yu |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2593 KB |
| Title: | Metamaterial-Inspired Split Ring Monopole Antenna for WLAN Applications |
| Abstract: | This paper describes the design of a compact dual band monopole antenna for WLAN (2.4/5.2/5.8 GHz) applications. The antenna is printed on a 22.5×24×0.8 mm3 FR-4 substrate with a partial ground plane and is fed by a microstrip line. The proposed structure consists of a simple hexagonal ring with a split arm along its center. The split in the arm in turn creates a quarter wavelength resonance in the higher frequency range. It also induces magnetic resonance which accounts for band notch between the WLAN lower (2.4 GHz) and upper bands (5.2/5.8 GHz). The extraction of negative permeability of the split ring structure is also discussed. A prototype of the proposed structure is fabricated and the measured results comply greatly with the simulated results. The antenna has consistent radiation pattern and stable gain over all the working region. |
| Author(s): | S. I. Rosaline, S. Raghavan |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 3726 KB |
| Title: | The Equivalent Circuit Extraction and Application for Arbitrary Shape Graphene Sheet |
| Abstract: | In this work, for the first time the electromagnetic features of graphene are characterized by a circuit model derived instead of fitted from the electric field integral equation (EFIE). The atomically thick graphene is equivalently replaced by an impedance surface. When it is magnetized, the impedance surface is anisotropic with a tensor conductivity. Based on EFIE, the graphene’s circuit model can be derived by the partial element equivalency circuit (PEEC) concept. The anisotropic resistivity is modeled using a serial resistor with current control voltage sources (CCVSs). From the derived circuit model, electromagnetic properties of graphene can be conveniently analyzed. This work also provides a new characterization method for dispersive and anisotropic materials. |
| Author(s): | Y. S. Cao, L. J. Jiang, A. E. Ruehli |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2272 KB |
| Title: | A Subwavelength Perfect Absorbing Metamaterial Patch Array Coupled with a Molecular Resonance |
| Abstract: | A perfectly absorbing metamaterial (PAMM) coupled with vibrational modes has varied applications ranging from surface-enhanced vibrational spectroscopy to biological sensing. This endeavor considers a subwavelength PAMM sensor design and analysis using a commercially available finite element method (FEM) solver and analytically with temporal coupled mode theory (TCMT). A carbon double oxygen bond (C=O) at 52 THz or 1733 cm-1 that resides in poly(methyl methacrylate), PMMA, will be used as a stand-in analyte. Normal mode splitting that results from the resonant coupling between the PAMM and analyte’s molecular resonance is investigated and analyzed. |
| Author(s): | M. F. Finch, B. A. Lail |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2948 KB |
| Title: | Unmanned Aerial Vehicle Platform Stabilization for Remote Radar Life Sensing |
| Abstract: | Unmanned Aerial Vehicle (UAV) platforms are increasingly ubiquitous and an ideal platform for rapid deployment to conduct remote sensing. However, for radar sensors that measure the phase of the signal of interest, the platform must be stabilized to avoid signal distortion. Measurement of respiratory motion with a continuous wave Doppler radar sensor is vulnerable to platform motion and requires a stable platform and post-detection motion compensation signal processing. We have investigated feedback stabilization techniques via simulation and empirical measurements using a bench top test fixture to remove the motion noise, where we observed a 86% reduction in motion, resulting in a SNR improvement of 29 dB after motion compensation. |
| Author(s): | R. H. Nakata, B. Haruna, S. K. Clemens, D. Martin, C. Jaquiro, V. M. Lubecke |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2417 KB |
| Title: | Radar Noise Floor Method for Occupancy Detection |
| Abstract: | A 2.4 GHz continuous wave Doppler radar sensor is utilized to carry out occupancy detection through detection of human presence over an empty room based on time domain root-mean-square (RMS) values. An existing system-on-chip with custom-made baseband board is employed for developing the radio. |
| Author(s): | P. Nuti, E. Yavari, O. Boric-Lubecke |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2301 KB |
| Title: | UAV-Radar System for Vital Sign Monitoring |
| Abstract: | Feasibility and fabrication of components of a life-sign radar system on unmanned aerial vehicle (UAV) has been studied. A signal conditioning circuit has been simulated, fabricated, and tested for data preparation and acquisition. Application such as, vitalsign detection, using UAV in real-time requires wireless transmission of baseband data to the monitoring station. Methods have been devised to achieve this goal. A quadrature Doppler radar has been assembled using two single channel x-band MDU1020 radars. The united radars can avoid null point distortion in physiological monitoring. Examinations were performed with both mechanical targets. |
| Author(s): | A. Rahman, Y. Ishii, V. Lubecke |
| File Type: | Express Journal Paper |
| Issue: | Volume: 1 Number: 5 Year: 2016 |
| Download Link: | Click here to download PDF File Size: 2612 KB |