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Articles by Sid Assawaworrarit
Nighttime electric power generation at a density of 350 mW/m2 via radiative cooling
Keywords nighttime renewable energy harvesting waste heat energy harvesting radiative cooling thermoelectric generator spectral emissivity optimization thermal management sustainable technology Introduction Amid the ongoing search for future sustainable sources of energy, the cold universe emerges as an important thermodynamic resource that has been underutilized for renewable energy generation.
Generating Power on Earth From the Coldness of Deep Space
It’s a summer night. On the rooftop of a quiet building, a set of panels cools the rooms within and keeps the lights on, removing heat and generating electricity using the coldness of the sky. That cold isn’t in the air around the building—the night is warm. Rather, the panels reach far beyond Earth’s atmosphere to tap the distant cold of deep space. Sound crazy? Admittedly, this technology isn’t fully available just yet.
Generating Power on Earth From the Coldness of Deep Space
It’s a summer night. On the rooftop of a quiet building, a set of panels cools the rooms within and keeps the lights on, removing heat and generating electricity using the coldness of the sky. That cold isn’t in the air around the building—the night is warm. Rather, the panels reach far beyond Earth’s atmosphere to tap the distant cold of deep space. Sound crazy? Admittedly, this technology isn’t fully available just yet.
Nighttime electric power generation at a density of 50 mW/m2 via radiative cooling of a photovoltaic cell
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Dynamics for encircling an exceptional point in a nonlinear non-Hermitian system
Abstract We study the dynamics near an exceptional point in a nonlinear non-Hermitian system consisting of a pair of resonators. One of the resonators has a linear loss, and the other resonator has a saturable gain. We show that the system dynamics exhibit chiral characteristics. And moreover, unique to the nonlinear system, such dynamics allow one to adiabatically switch between bistable states at the same system parameter.
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