Choudhury, C.; Bansal, N.K.; Sehgal, H.K. - In: Applied Energy 14 (1983) 2, pp. 143-159
Experimental and theoretical investigations to optimise the geometrical design parameters of a tubular collector under atmospheric and evacuated (~ 10-3 torr) conditions are reported. The results indicate that a maximum stagnation temperature, which corresponds to the minimum heat loss, is...