Direct gain attempts to control the amount of direct solar radiation reaching the living space.

Well, the obvious thing is to move the coffins near the aft hull, and cool by direct radiation.

In open fields it should be shaded by a shading structure, to protect it from the direct radiation of the sun.

Within the umbra, there is no direct solar radiation.

Most people close enough to receive lethal doses of direct radiation died in the firestorm before their radiation injuries would have become apparent.

The temperature indicated by a thermometer exposed to the air in a place sheltered from direct solar radiation.

In simple terms, direct radiation causes shadows, and diffuse is responsible for sky light.

For example, on an overcast day when you cannot see your shadow there is no direct radiation reaching you, it has all been scattered.

Heating caused by direct radiation will be greatest closest to the stove.

At alpine altitude, levels of direct radiation are higher than that found at sea level.