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Hydro energy |
| [50] | Assessment of power generation from Narmada Sagar reservoir by goal programming technique | | Suribabu CR and Venugopal K. 2001 | Goal programming is an extension of linear programming, which is used for system analysis of reservoir management and operation. Goal programming is capable of solving decision-oriented problems with single or multiple goals. This paper discusses the application of goal programming to minimize the absolute deviation from the specified target of power generation and target storage of the proposed Narmada Sagar reservoir across the river Narmada in Madhya Pradesh. Using moving average methods and mass curve analysis, the critical period of 34 months is identified from the historical data of 29 years and used for model application. The monthly storage variation and power generation obtained by application of two types of goal programming models with critical period, average inflow year, and maximum inflow year, are presented.
(5 figures, 1 table) | | Journal of Indian Water Resources Society21(4):157–161 | Shanmugha Arts,
Science, Technology and Research Academy (Deemed University) Thanjavur, India | | | [51] | 122 M deep pilot shaft excavation by long hole raise blasting technique-A unique case study | | Raina AK, Ramulu M, Choudhury PB, Chakraborty AK, et al. 2001 | The excavation of vertical shafts for different purposes poses a great problem in mining and civil projects. In India the general practice has been that of sinking by conventional blasting techniques. This sinking method is a very costly and time-consuming method. Moreover, the excavation poses great problem with depth, muck removal, and ventilation. Furthermore, it is also a threat to the people working at the site of blasting. Raise boring is again a difficult proposition in Indian conditions. In contrast to the above mentioned techniques, the long hole raise blasting technique provides a very cost effective and safe method. In this method a pilot from the bottom of the design excavation is blasted up-hole. The present case describes a raise blasting method employed to excavate a surge shaft in a major pumped storage hydroelectric project in India. The 122 m deep pilot hole (3x3 m) of the surge out of the final finished diameter of 11 m could be effectively excavated within 95 days despite the problematic rock mass conditions at some places. This proved to be quite a cost effective and quick method and in addition it solved the problem of ventilation in the underground workings of the project.
(5 figures, 1 table, 2 references) | | The Indian Mining and Engineering Journal40(11):108–112 | Central Mining Research Institute,
Regional Centre, 54-B Shankar Nagar, Nagpur-440 010, India
<cmrirc@satyam.net.in> | |
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