D.N. Sah

TL;DR: In this paper, the threshold stress, σth, for reorientation of hydrides in cold worked and stress-relieved (CWSR) Zr 2.5Nb pressure tube material was determined in the temperature range of 523-673 K.

TL;DR: The post irradiation examination (PIE) facility at the Bhabha Atomic Research Centre (BARC) has been in operation for more than three decades and has been utilized for examination of experimental fuel pins and fuels from commercial power reactors operating in India as mentioned in this paper.

TL;DR: In this article, the internal gas pressure in the outer fuel pin was measured to be 0.55 ± 0.05 MPa at room temperature and the increase in diameter of the fuel pin after heat treatment was measured after 10min.

TL;DR: A blind prediction exercise on Indian Pressurised Heavy Water Reactor (PHWR) fuel to investigate the predictive capability of existing codes for their application at extended burnup and to identify areas of improvement was organised in this paper.

TL;DR: In this paper, fuel pins removed from an irradiated pressurised heavy water reactor (PHWR) fuel bundle discharged after an extended burn up of 15,000MWd/tU have been subjected to isothermal heating tests in temperature range 700-1300°C inside hot-cells.