Resolving indoor shortwave and longwave human body irradiance variations for mean radiant temperature and local thermal comfort

Hou, Miaomiao; Aviv, Dorit; Chatterjee, Arnab; Teitelbaum, Eric; Rida, Mohamad; Meggers, Forrest; Khovalyg, Dolaana

doi:10.1016/j.enbuild.2023.113581

Cited by 4 publications

(2 citation statements)

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“…This equation indicates that the spectral radiant emittance of a target is proportional to the fourth power of its absolute temperature. In fact, the effective radiant emittance of the target is also related to the emissivity of the target [30,31], and the targets used in this paper all have an emissivity exceeding 0.9, therefore, the influence of the target emissivity on the radiant emittance is considered negligible. In general, a high radiant emittance (sending side) corresponds to a high spectral irradiance (receiving side) [31,32].…”

Section: Characterization and Imagingmentioning

confidence: 99%

“…In fact, the effective radiant emittance of the target is also related to the emissivity of the target [30,31], and the targets used in this paper all have an emissivity exceeding 0.9, therefore, the influence of the target emissivity on the radiant emittance is considered negligible. In general, a high radiant emittance (sending side) corresponds to a high spectral irradiance (receiving side) [31,32]. According to the formula of spectral radiant power [33]: P λ = EA 0 τ 0 , where P λ is the spectral radiation power received by the detector, E is the spectral irradiance, A 0 is the effective area of the optical system, and τ 0 is the transmittance of the optical system.…”

Section: Characterization and Imagingmentioning

confidence: 99%

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Large-aperture imaging system based on 100 mm all-Si metalens in long-wave infrared

Li,

Duan,

Jia

et al. 2024

J. Opt.

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Metalens, which composed of micro-nano structures at sub-wavelength scale, possessing the ability to achieve the functions of traditional lens elements, paving the way for the development of lightweight and integrated imaging systems. Nowadays, the majority of research efforts in the field of metalens have been concentrated on the exploitation of short optical wavelength band with tiny apertures. Here, we have directed our focus towards the long-wave infrared band, which holds significant importance for crucial applications like infrared imaging and detection. We have prepared a metalens with a remarkable aperture of 100 mm and a high numerical aperture of 0.89 at an operating wavelength of 9.35 μm, which is currently the largest reported aperture in long-wave infrared with high light harvesting capability. And the imaging performance was verified by demonstrating the imaging results of the metalens on targets with different temperatures through thermal imaging tests.

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Section: Characterization and Imagingmentioning

confidence: 99%