NASA testing roll-up solar panels on ISS
NASA tests a new flexible solar panel on the International Space Station, which is developed to form a compact cylinder and can offer significant savings and an increase in satellite power in the future.
Traditional solar panels used for power satellites can be uncomfortable with heavy folded panels that use mechanical hinges.
Smaller and lighter than conventional solar panels, Solar Array Roll-out, or ROSA, is composed of a central flange of flexible material containing photovoltaic cells to convert light into electricity.
On each side of the band is a narrow arm that extends the length of the band to provide a support, called a high stress compound boom. The arms are divided into composite tubes as rigid, rolled and rolled longitudinally to launch.
The network of rolls or automatically stops without motor, using the stored energy of the arrow structure that is released when each plug passes from a coil to form a right support arm.
ROSA can be easily adapted to different sizes, including very large boards, to provide power for a variety of future spacecraft.
It is also possible to make solar devices more compact and lightweight satellite radio and television, weather forecasting, GPS and other services used on Earth.
In addition, the technology could be adapted to provide solar power in remote locations. The boom in technology has other potential applications, such as communications and radar antennas and other instruments.
ROSA The study examined how this new type of solar panels unfolds in micro-gravity and extreme temperatures of space. The survey also measures the strength and sustainability of the table and how the structure responds to the maneuvers of the spacecraft.
“When the network is connected to a satellite, spacecraft must maneuver, which creates a torque and vibrates the wing,” said Jeremy Banik, Kirtland Air Force Base in New Mexico.
“We have to know precisely how and when vibrates so as not to lose control of the spacecraft. The only way to prove this is in space,” Banik said. “This structure is very thin, only a few millimeters thick, and heats very quickly, tens of degrees in a matter of seconds,” he said.
“This creates loads on the wing that could make you shudder. This could cause problems, for example, if a satellite was trying to take a picture together,” he added.