TY - JOUR AU - Peña-García, Antonio AU - Cabeza-Laínez, José María PY - 2023 UR - https://hdl.handle.net/10481/89397 AB - The transfer of solar light to the interior of tunnels to complement electrical lighting during daytime, contributes to save energy and decrease the number of installed projectors. The solutions traditionally implemented, based on light-pipes... LA - eng PB - Elsevier KW - Tunnel lighting KW - Light distribution KW - Energy savings KW - Diffusive hyper-geometry KW - Conoidal geometry TI - Daylighting of road tunnels through external ground-based light-pipes and complex reflective geometry DO - 10.1016/j.tust.2022.104788 ER -