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Paul, S.
- A1 MW National Solar Thermal Research Cum Demonstration Facility at Gwalpahari, Haryana, India
Abstract Views :295 |
PDF Views:99
Authors
J. K. Nayak
1,
S. B. Kedare
1,
Rangan Banerjee
1,
S. Bandyopadhyay
1,
N. B. Desai
1,
S. Paul
1,
A. Kapila
1
Affiliations
1 Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, IN
1 Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, IN
Source
Current Science, Vol 109, No 8 (2015), Pagination: 1445-1457Abstract
Concentrated solar power (CSP) plants have invited wide attention in various sunlight-rich regions around the world, including India. Under sponsorship of the Ministry of New and Renewable Energy, Government of India, the Indian Institute of Technology Bombay, Mumbai has conceptualized and carried out the basic engineering design, installation, commissioning and operation of a 1 MW(e) CSP plant in the campus of the National Institute of Solar Energy at Gwalpahari, near Gurgaon, Haryana, India. This is a unique facility integrating two different solar collector fields; direct steam-generating linear Fresnel reflector (LFR) field and conventional heat transfer fluid-based parabolic trough collector (PTC) field. It is a researchcum- demonstration facility intended to enable the development of future cost-effective CSP plants in the country. The design basis, brief description of the power plant, learning experiences during commissioning and operation of the plant, as well as preliminary performance results are presented here. The plant is grid-connected and operational. The preliminary results show low performance due to the lower optical efficiencies of both the collector fields, tracking error, loop imbalance of PTC field, and improper receiver size of LFR field.Keywords
Concentrating Solar Power Plants, Linear Fresnel Reflector, Parabolic Trough Collector, Researchcum-Demonstration Facility.Full Text
References
- Reddy, V. S., Kaushik, S. C., Ranjan, K. R. and Tyagi, S. K., Stateofthe-art of solar thermal power plants – a review. Renew. Sustain. Energy Rev., 2013, 27, 258–273.
- Behar, O., Khellaf, A. and Mohammedi, K., A review of studies on central receiver solar thermal power plants. Renew. Sustain. Energy Rev., 2013, 23, 12–39.
- Nasri, F., Ali, C. and Bacha, H. B., A review of solar thermal electricity production, Int. J. Res. Rev. Appl. Sci., 2011, 8, 349–355.
- Machinda, G.T., Chowdhury, S. P., Chowdhury, S., Kibaara, S. and Ascott, R., Concentrating solar thermal power technologies: a review. In Proceedings of Indian Conference (INDCON), Annual IEEE, Hyderabad, 2011; doi: 10.1109/INCON.2011.6139512.
- Desai, N. B. and Bandyopadhyay, S., Solar thermal power plant simulator. In Proceedings of International Conference on Energy Security, Global Warming and Sustainable Climate (Solaris 2012), Varanasi, 2012.
- Desai, N. B., Kedare, S. B. and Bandyopadhyay, S. B., Optimization of design radiation for concentrating solar thermal power plants without storage. Sol. Energy, 2014, 107, 98–112.
- Jawaharlal Nehru National Solar Mission; http://www.mnre.in/ JNN Solar Mission (accessed on 31 December 2014).
- Sharma, V. M., Nayak, J. K. and Kedare, S. B., Shading and available energy in a parabolic trough concentrator field. Sol. Energy, 2013, 90, 144–153.
- Kartheek, N. G. R., Yadav, D., Banerjee, R., Nayak, J. K., Bandyopadhyay, S. and Kedare, S. B., Experiences in commissioning of a 1 MWe solar thermal power plant in Gurgaon. In Proceedings of IV International Conference on Advances in Energy Research, IIT Bombay, 9–12 December 2013.
- Determinants of Research Productivity of Agricultural Scientists: Implications for the National Agricultural Research and Education System of India
Abstract Views :238 |
PDF Views:76
Authors
Affiliations
1 ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Krishi Anusandhan Bhawan-I, New Delhi 110 012, IN
1 ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Krishi Anusandhan Bhawan-I, New Delhi 110 012, IN
Source
Current Science, Vol 112, No 02 (2017), Pagination: 252-257Abstract
A micro level analysis for understanding the major determinants of research productivity of individual scientists in the National Agricultural Research and Education System of India was undertaken. A sample of two hundred scientists was drawn through multistage disproportionate stratified random sampling from a high performing and a low performing agricultural institute in India. Forced choice Q-sort technique was employed to record perception of respondents regarding relative influence exerted by selected variables on their research productivity and a factor analysis using principal component method with varimax rotation helped in extracting 11 major factors determining research productivity of agricultural scientists, namely, organizational research environment, creativity, perseverance and commitment, research facility, ability to work under constraint, incentive policy, proactiveness, purpose-driven orientation, achievement motivation, involvement in teaching and job satisfaction. The apparent uniformity in percentage variance contribution of these 11 factors implies that optimum research productivity of scientists can only be harnessed when personal and organizational factors work in harmony.Keywords
Agriculture, Determinants, Productivity, Research, Scientists.Full Text