公开(公告)号：US10234172B2

公开(公告)日：2019-03-19

申请号：US15283914

申请日：2016-10-03

Applicant: Massachusetts Institute of Technology

Inventor： George Ni ,  Gang Chen ,  Svetlana V. Boriskina ,  Thomas Alan Cooper

IPC: B32B5/18 ,  B32B5/32 ,  F22B1/00 ,  C08L83/02 ,  F24S10/17 ,  F24S10/80 ,  F24S20/25 ,  F24S20/50 ,  F24S70/10 ,  F24S80/00 ,  F24S80/56 ,  F24S80/65 ,  F24S90/00

Abstract: A localized heating structure includes a spectrally-selective solar absorber, that absorbs incident solar radiation and reflects at wavelengths longer than 2 μm, with an underlying heat-spreading layer having a thermal conductivity equal to or greater than 50 W/(mK), a thermally insulating layer, adjacent to the spectrally-selective solar absorber, having a thermal conductivity of less than 0.1 W/(mK), one or more evaporation openings through the spectrally-selective solar absorber and the thermally insulating layer, and an evaporation wick, disposed in one or more of the evaporation openings in the thermally insulating layer, that contacts liquid and allows the liquid to be transported from a location beneath the thermally insulating layer through to the spectrally-selective solar absorber in order to generate vapor from the liquid. The thermally insulating layer is configured to have a density less than the liquid so that the localized heating structure is able to float on the liquid.

公开(公告)号：US20170038097A1

公开(公告)日：2017-02-09

申请号：US15283914

申请日：2016-10-03

Applicant: Massachusetts Institute of Technology

Inventor： George Ni ,  Gang Chen ,  Svetlana V. Boriskina ,  Thomas Alan Cooper

IPC: F24J2/36 ,  F24J2/50 ,  F24J2/00

CPC classification number: F24S20/50 ,  B32B5/18 ,  B32B5/32 ,  B32B2266/06 ,  C08L83/02 ,  F22B1/006 ,  F24S10/17 ,  F24S10/80 ,  F24S20/25 ,  F24S70/10 ,  F24S80/525 ,  F24S80/56 ,  F24S80/65 ,  F24S90/00 ,  F24S2080/014 ,  Y02E10/44 ,  Y10T29/49826 ,  Y10T428/249967 ,  Y10T428/249969

Abstract: A localized heating structure includes a spectrally-selective solar absorber, that absorbs incident solar radiation and reflects at wavelengths longer than 2 μm, with an underlying heat-spreading layer having a thermal conductivity equal to or greater than 50 W/(mK), a thermally insulating layer, adjacent to the spectrally-selective solar absorber, having a thermal conductivity of less than 0.1 W/(mK), one or more evaporation openings through the spectrally-selective solar absorber and the thermally insulating layer, and an evaporation wick, disposed in one or more of the evaporation openings in the thermally insulating layer, that contacts liquid and allows the liquid to be transported from a location beneath the thermally insulating layer through to the spectrally-selective solar absorber in order to generate vapor from the liquid. The thermally insulating layer is configured to have a density less than the liquid so that the localized heating structure is able to float on the liquid.

Abstract translation: 局部加热结构包括光谱选择性太阳能吸收器，其吸收入射的太阳辐射并以大于2μm的波长反射，具有等于或大于50W /（mK）的热导率的下面的热扩散层， 隔热层，邻近光谱选择性太阳能吸收器，具有小于0.1W /（mK）的热导率，通过光谱选择性太阳能吸收器和隔热层的一个或多个蒸发开口，以及蒸发灯芯， 设置在绝热层中的一个或多个蒸发开口中，其接触液体并允许液体从绝热层下方的位置输送到光谱选择性太阳能吸收器，以便从液体产生蒸气。 隔热层被配置为具有小于液体的密度，使得局部加热结构能够浮在液体上。