| Issue Date | Title | Author(s) |
| 2021 | A comprehensive study on the progressive development and applications of solar air heaters | Goel V.; Hans V.S.; Singh S.; Kumar R.; Pathak S.K.; Singla M.; Bhattacharyya S.; Almatrafi E.; Gill R.S.; Saini, R. P. |
| 2007 | A review on roughness geometry used in solar air heaters | Varun; Saini, R. P.; Singal, Sunil Kumar |
| 2008 | Investigation of thermal performance of solar air heater having roughness elements as a combination of inclined and transverse ribs on the absorber plate | Varun; Saini, R. P.; Singal, Sunil Kumar |
| 2009 | Performance prediction of solar air heater having roughened duct provided with transverse and inclined ribs as artificial roughness | Varun; Patnaik A.; Saini, R. P.; Singal, Sunil Kumar; Siddhartha |
| 2007 | Review of augmentation of energy needs using renewable energy sources in India | Varun; Singal, Sunil Kumar |
| 2008 | Review of mathematical modeling on latent heat thermal energy storage systems using phase-change material | Verma P.; Varun; Singal, Sunil Kumar |
| 2007 | Rural electrification of a remote island by renewable energy sources | Singal, Sunil Kumar; Varun; Singh R.P. |
| 2017 | Simulation of Combustion Space Heat Transfer of Glass Melting Furnace | Banerjee A.; Rai A.; Mohanty, Bikash; Varun A. |
| 2011 | Small hydropower for sustainable energy development in India | Nautiyal H.; Singal, Sunil Kumar; Varun; Sharma A. |
