Assessment of the energy and exergy efficiencies of farm to fork grain cultivation and bread making processes in Turkey and Germany

B Degerli, S Nazir, E Sorgüven, B Hitzmann, M Özilgen - Energy, 2015 - Elsevier
Energy and exergy efficiencies of the wheat and rye bread and hamburger bun making
processes are assessed based on data from Turkey and Germany. Amount of the land …

Feasible thermodynamics devices enabled by thermal-null medium

H Barati Sedeh, MH Fakheri, A Abdolali, F Sun… - Physical Review Applied, 2020 - APS
Recently, thermal manipulation has gained the attention of the scientific community due to its
several applications. In this paper, based on a transformation-thermodynamics …

Scattering cancellation technique for acoustic spinning objects

M Farhat, S Guenneau, A Alù, Y Wu - Physical Review B, 2020 - APS
The scattering cancellation technique (SCT) has proved to be an effective way to render
static objects invisible to electromagnetic and acoustic waves. However, rotating cylindrical …

Advanced synthesis of meta-antenna radiation pattern enabled by transformation optics

HB Sedeh, MH Fakheri, A Abdolali - Journal of Optics, 2019 - iopscience.iop.org
Multi emission meta-radiating structures have been an important area of focus due to their
potential applications in multi-user scenarios. Thereby, based on the concept of multi-folded …

Transformation-optics-based design of a metamaterial radome for extending the scanning angle of a phased-array antenna

M Moccia, G Castaldi, G D'Alterio, M Feo… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
We apply the transformation-optics approach to the design of a metamaterial radome that
can extend the scanning angle of a phased-array antenna. For moderate enhancement of …

Geometry free materials enabled by transformation optics for enhancing the intensity of electromagnetic waves in an arbitrary domain

A Abdolali, H Barati Sedeh, MH Fakheri - Journal of Applied Physics, 2020 - pubs.aip.org
The concentration of electromagnetic waves is of utmost importance in many engineering
applications such as energy harvesting devices. According to the transformation optics …

Exploiting transformation optics for arbitrary manipulation of antenna radiation pattern

H Barati, MH Fakheri, A Abdolali - IET Microwaves, Antennas & …, 2019 - Wiley Online Library
Using transformation optics, a general method for tailoring the radiation pattern of a
monopole antenna encompassed by a coating layer is proposed. Unlike previous studies …

Broadband stealth devices based on encoded metamaterials

K Yang, S Shi, C Li, W Huang, X Jing - Applied Optics, 2022 - opg.optica.org
Based on the generalized Snell's law, the relationship between the phase gradient of the
metasurface and the incident frequency is demonstrated, and the principle of the achromatic …

Localized surface plate modes via flexural Mie resonances

M Farhat, PY Chen, S Guenneau, KN Salama, H Bağcı - Physical Review B, 2017 - APS
Surface-plasmon polaritons are naturally generated upon excitation of metals with high-
frequency electromagnetic waves. However, the concept of spoof plasmons has made it …

Homogenization of quasiperiodic structures and two-scale cut-and-projection convergence

N Wellander, S Guenneau, E Cherkaev - arXiv preprint arXiv:1911.03560, 2019 - arxiv.org
Quasiperiodic arrangements of the constitutive materials in composites result in effective
properties with very unusual electromagnetic and elastic properties. The paper discusses …