Table 1 Perforation and dimension details.

From: Performance enhancement of solar air heater using V baffles

Baffle Type

Perforation

Materials

Specifications

Continuous V shape

Square

Aluminium

40*40 mm

Continuous V shape

Rectangular

Aluminium

40*70 mm

Continuous V shape

Square and Rectangular

Aluminium

40*40 mm

40*70 mm