Janus-Yarn Fabric for Dual-Mode Radiative Heat Management

Abebe, Muluneh G.; Corte, Alice De; Rosolen, Gilles; Maes, Björn

doi:10.1103/physrevapplied.16.054013

Cited by 19 publications

(18 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The three heat transfer channels are radiation, conduction, and convection when the fabric covers the skin with an air gap in between. 20 A thermal circuit model is constructed with thermal resistances involving the conductivity of the textile and its radiative properties, obtained from electromagnetic simulations, as well as properties of the air gap and ambient. The schematic of the thermal circuit is presented in Figure 2d.…”

Section: Thermal Modelingmentioning

confidence: 99%

A Textured Surface Platform for Dual-Mode Temperature Regulation in Photonic Textiles

Abebe,

Khousakoun,

Gidik

et al. 2023

ACS Appl. Opt. Mater.

Self Cite

View full text Add to dashboard Cite

Personal radiative heat regulation using photonic textiles can facilitate decreased energy consumption in buildings by expanding the range of comfortable ambient conditions. Here, we propose a dual-mode photonic design that modulates the emissivity using a textured membrane that changes its surface structure between flat and wrinkled. The dual nature of the design is achieved through varying high and low surface emissivity to provide both cooling and heating functions. Theoretical calculations employing a variety of potential materials and geometries predict a substantial thermoregulation potential of the design with a set point window of up to 5.5 °C, which is achieved using a Lambertian surface texture from zinc oxide at the frontal surface. Furthermore, we fabricate a proof-of-concept demonstrating thermal comfort in a set point temperature window of about 3 °C, with further room for improvement. This design leverages the concept of diffusing surfaces, well-known in the photovoltaics field, toward a textile application.

show abstract

Section: Thermal Modelingmentioning

confidence: 99%

A Textured Surface Platform for Dual-Mode Temperature Regulation in Photonic Textiles

Abebe,

Khousakoun,

Gidik

et al. 2023

ACS Appl. Opt. Mater.

Self Cite

View full text Add to dashboard Cite

show abstract

“…All the layers are porous, which allows maintaining some level of breathability. To further increase the breathability which maintaining the dual cooling-heating function, other researchers have come up with a double side fabric design using Janus yarns [223]. The low emissivity side is made of woven metal fibers while the high emissivity layer is composed of dielectric fibers.…”

Section: Phase Change Materials and Janus Textilesmentioning

confidence: 99%

New Research Trends for Textiles

2022

View full text Add to dashboard Cite

show abstract

“…Although a few dual‐mode textiles have been reported, they can only adjust the thermal radiation of human body, which are more applicable for indoor scenarios. [ 18,19 ] Moreover, their fabrication process is complicated due to multilayer structures (>4 layers). [ 18,20 ]…”

Section: Introductionmentioning

confidence: 99%

“…Although a few dual-mode textiles have been reported, they can only adjust the thermal radiation of human body, which are more applicable for indoor scenarios. [18,19] Moreover, their fabrication process is complicated due to multilayer structures (>4 layers). [18,20] Here, to address the foregoing challenges, we proposed a Janus textile comprising two optically coupled layers, that is, a solar-reflective PES-Al 2 O 3 fibrous textile and a thin IR-reflective Ti 3 C 2 T x MXene coating (Figure 1a).…”

Section: Introductionmentioning

confidence: 99%

A Janus Textile Capable of Radiative Subambient Cooling and Warming for Multi‐Scenario Personal Thermal Management

Lin

et al. 2023

Small

View full text Add to dashboard Cite

Textiles with radiative cooling/warming capabilities provide a green and effective solution to personal thermal comfort in different climate scenarios. However, developing multiple‐mode textiles for wearing in changing climates with large temperature variation remains a challenge. Here a Janus textile is reported, comprising a polyethersulfone (PES)‐Al2O3 cooling layer optically coupled with a Ti3C2Tx warming layer, which can realize sub‐ambient radiative cooling, solar warming, and active Joule heating. Owing to the intrinsically high refractive index of PES and the rational design of the fiber topology, the nanocomposite PES textile features a record high solar reflectance of 0.97. Accompanied by an infrared (IR) emittance of 0.91 in the atmospheric window, sub‐ambient cooling of 0.5–2.5 °C is achieved near noontime in humid summer under ≈1000 W m−2 solar irradiation in Hong Kong. The simulated skin covered with the textile is ≈10 °C cooler than that with white cotton. The Ti3C2Tx layer provides a high solar‐thermal efficiency of ≈80% and a Joule heating flux of 66 W m−2 at 2 V and 15 °C due to its excellent spectral selectivity and electrical conductivity. The switchable multiple working modes enable effective and adaptive personal thermal management in changing environments.

show abstract

Janus-Yarn Fabric for Dual-Mode Radiative Heat Management

Cited by 19 publications

References 43 publications

A Textured Surface Platform for Dual-Mode Temperature Regulation in Photonic Textiles

A Textured Surface Platform for Dual-Mode Temperature Regulation in Photonic Textiles

New Research Trends for Textiles

A Janus Textile Capable of Radiative Subambient Cooling and Warming for Multi‐Scenario Personal Thermal Management

Contact Info

Product

Resources

About