Facilitating Large‐Scale Snow Shedding from In‐Field Solar Arrays using Icephobic Surfaces with Low‐Interfacial Toughness

2021 ◽  
pp. 2101032
Author(s):  
Abhishek Dhyani ◽  
Christopher Pike ◽  
Jennifer L. Braid ◽  
Erin Whitney ◽  
Laurie Burnham ◽  
...  
Keyword(s):  
Large Scale ◽  
Interfacial Toughness ◽  
Solar Arrays

Deployment dynamics of large-scale flexible solar arrays

2015 ◽  
Vol 230 (2) ◽  
pp. 147-158
Author(s):  
Haiquan Li ◽  
Xiaofeng Liu ◽  
Shaojing Guo ◽  
Guoping Cai
Keyword(s):  
Large Scale ◽  
Solar Arrays ◽  
Deployment Dynamics

scholarly journals Cymatics Inspired Self-Cleaning Mechanism for Solar Panels

2020 ◽  
Author(s):  
Edwin Babu ◽  
Sumith Yesudasan ◽  
Sibi Chacko
Keyword(s):  
Large Scale ◽  
Structural Integrity ◽  
Mechanical Vibration ◽  
Solar Panel ◽  
Solar Array ◽  
Great Effort ◽  
Solar Panels ◽  
Element Analysis ◽  
Solar Arrays ◽  
Self Cleaning

The Photovoltaic modules are usually installed on the ground which exposes it to surface deposition of foreign particles. In the Middle East and North Africa region, the primary culprit is dust and sand. They form an insulating and opaque layer on the surface of the glass, which obstructs its heat transfer and optical properties, thereby reducing the overall yield efficiency of the solar panel. Cleaning of this layer is critical to the operation of the solar panel and often requires great effort and energy on a large-scale solar array. In this paper, we propose a novel self-cleaning mechanism for solar panels, with an understanding of the structural integrity of the Photovoltaic laminate and application of external mechanical vibration. By applying an external source of vibration, the solar panels vibrate, excites its fundamental frequencies and cleans by its own. The method is analyzed using finite element analysis method and tested using experiments. Our simulation results based on IEC 61215 show that the maximum principal stress and deformation in the critical layers is within limits. Our experimental results prove the proposed theory is feasible and can be extended to large scale solar arrays. Our proposed method is retrofittable and could save money, energy and effort in cleaning the solar arrays, which can replace current techniques.

Deployment Dynamics of Large-Scale Flexible Solar Arrays with Deployable Mast

2017 ◽  
Vol 18 (2) ◽  
pp. 245-254
Author(s):  
Hai-Quan LI ◽  
Xiao-Feng LIU ◽  
Shao-Jing GUO ◽  
Guo-Ping CAI
Keyword(s):  
Large Scale ◽  
Solar Arrays ◽  
Deployment Dynamics

Low–interfacial toughness materials for effective large-scale deicing

Science ◽  
2019 ◽  
Vol 364 (6438) ◽  
pp. 371-375 ◽  
Author(s):  
Kevin Golovin ◽  
Abhishek Dhyani ◽  
M. D. Thouless ◽  
Anish Tuteja
Keyword(s):  
Adverse Effects ◽  
Large Scale ◽  
Power Lines ◽  
Ice Accretion ◽  
Interfacial Toughness ◽  
Ship Hulls ◽  
Surface Areas

Ice accretion has adverse effects on a range of commercial and residential activities. The force required to remove ice from a surface is typically considered to scale with the iced area. This imparts a scalability limit to the use of icephobic coatings for structures with large surface areas, such as power lines or ship hulls. We describe a class of materials that exhibit a low interfacial toughness with ice, resulting in systems for which the forces required to remove large areas of ice (a few square centimeters or greater) are both low and independent of the iced area. We further demonstrate that coatings made of such materials allow ice to be shed readily from large areas (~1 square meter) merely by self-weight.

scholarly journals The Generation of Pollution-Free Electrical Power From Solar Energy

1972 ◽  
Vol 94 (2) ◽  
pp. 78-82 ◽  
Author(s):  
W. R. Cherry
Keyword(s):  
Solar Energy ◽  
Large Scale ◽  
Fossil Fuels ◽  
Electrical Power ◽  
Terrestrial Plants ◽  
Solar Arrays ◽  
Social Ecological ◽  
Productive Land ◽  
The Cost ◽  
Power Shortages

Projections of the U. S. electrical power demands over the next 30 years indicate that the U. S. could be in grave danger from power shortages, undesirable effluence, and thermal pollution. A pollution free method of converting solar energy directly into electrical power using photovoltaics on the ground shows that sunlight falling on about 1 percent of the land area of the 48 states could provide the total electrical power requirements of the U. S. in the year 1990. By utilizing and further developing some NASA technology, a new source of electrical power will become available. Such a development is attractive from conservation, social, ecological, economic, and political standpoints. While the cost of producing solar arrays by today’s methods prohibits their use for large scale terrestrial plants, the paper suggests how the cost may become acceptable, especially as conventional fuels become scarcer and more expensive. Some of the desirable reasons for developing methods to convert solar energy to electrical power are: to conserve our fossil fuels for more sophisticated uses than just burning, to reduce atmospheric pollution by 20 percent, to convert low productive land areas into high productive land areas, to make the U. S. less dependent upon foreign sources of energy, and to learn to utilize our most abundant inexhaustable natural resource.

Configuration Effects on Flow Dynamics and Convective Behavior in Large-Scale Solar Arrays

2020 ◽  
Author(s):  
Sarah E. Smith ◽  
Andrew Glick ◽  
Naseem Ali ◽  
Juliaan Bossuyt ◽  
James McNeal ◽  
...  
Keyword(s):  
Large Scale ◽  
Flow Dynamics ◽  
Solar Arrays

scholarly journals Design and Dynamics of Large-scale Solar Arrays with Inflatable Mast

2020 ◽  
Vol 56 (5) ◽  
pp. 93
Author(s):  
WEI Jianzheng ◽  
ZHANG Pengfei ◽  
MA Ruiqiang ◽  
CHEN Xueyan ◽  
TAN Huifeng
Keyword(s):  
Large Scale ◽  
Solar Arrays

Some comments about observations and image processing of comet 29P/Schwassmann-Wachmann 1

1999 ◽  
Vol 173 ◽  
pp. 243-248
Author(s):  
D. Kubáček ◽  
A. Galád ◽  
A. Pravda
Keyword(s):  
Image Processing ◽  
Large Scale ◽  
Harvard College ◽  
Oak Ridge ◽  
Large Scale Structures ◽  
Short Period Comet ◽  
Short Period ◽  
Scale Structures ◽  
Harvard College Observatory ◽  
Period Comet

AbstractUnusual short-period comet 29P/Schwassmann-Wachmann 1 inspired many observers to explain its unpredictable outbursts. In this paper large scale structures and features from the inner part of the coma in time periods around outbursts are studied. CCD images were taken at Whipple Observatory, Mt. Hopkins, in 1989 and at Astronomical Observatory, Modra, from 1995 to 1998. Photographic plates of the comet were taken at Harvard College Observatory, Oak Ridge, from 1974 to 1982. The latter were digitized at first to apply the same techniques of image processing for optimizing the visibility of features in the coma during outbursts. Outbursts and coma structures show various shapes.

Sign in / Sign up

Export Citation Format

Share Document