Simple materials can be used like black plastic or metal pipe. You want materials that will absorb heat and transmit that heat to the liquid.
in a place trying to collect solar energy
the sun
Any good absorber or conductor of short wave radiation like air, black substances etc. absorbs solar radiation finely as the sun emits short waves in the form of solar radiation.
A solar collector, or solar panel is what collects solar energy. The energy that is generated by the solar collector is then routed to either a battery or an inverter that converts the energy to AC voltage.
black is colour that can obsorb heat,since solar panals collect energy from the sun by heat radiation, it only makes sense to have the solar panels dark in colour.
Heat from the sun is called Solar Radiation, so the answer is SOLAR RADIATION
A solar collector that has motors and a guiding system to point towards the Sun which improves efficiency. A passive collector has no such systems.
Insolation is intercepted solar radiation.
diffuse is what will be received by flat solar panels beam is what is received by concentrating solar collector dishes, lenses, fields of mirrors PSP partial Spherical pyrometer ...diffuse NIP normal incidence Pyrometer ...beam
incoming solar radiation = insolation
Solar radiation is most intense at noon.
a solar collector turns light into heat, and uses that heat to create electricity.