publication

The Bag Energy Research Society

publication

2016

•    Deepali Atheaya, Arvind Tiwari, G.N. Tiwari, I.M. Al-Helal. Performance evaluation of inverted absorber photovoltaic thermal compound parabolic concentrator (PVT-CPC): Constant flow rate mode, Applied Energy, 167, 1 (2016), 70-79.

•    Rohit Tripathi, G.N. Tiwari, I.M. Al-Helal. Thermal modelling of N partially covered photovoltaic thermal (PVT) – Compound parabolic concentrator (CPC) collectors connected in series, Solar Energy, 123 (2016), 174-184.

•    G.N. Tiwari, Hemshikha Saini, Arvind Tiwari, Arjun Deo, Neha Gupta, Padamveer Singh Saini. Periodic theory of building integrated photovoltaic thermal (BiPVT) system, Solar Energy, 125 (2016), 373-380.

•    C.S. Rajoria, Sanjay Agrawal, Amit K. Dash, G.N. Tiwari, M.S. Sodha. A newer approach on cash flow diagram to investigate the effect of energy payback time and earned carbon credits on life cycle cost of different photovoltaic thermal array systems, Solar Energy, 124 (2016), 254-267.

2015

•    D. Atheaya, A. Tiwari G. N. Tiwari, Al-Helal, I.M. Analytical characteristic equation for partially covered photovoltaic thermal (PVT) compound parabolic concentrator (CPC). Solar Energy, 111, (2015) 176–185.

•    G. N. Tiwari, J. K. Yadav, D. B. Singh, I. M. Al-Helal, Ahmed Mahmod Abdel-Ghany “Exergoeconomic and enviroeconomic analyses of partially covered photovoltaic flat plate collector active solar distillation system”. Desalination, 367, (2015), 186-196.

•    R. K. Mishra, Vihang Garg, G. N. Tiwari. “Thermal modeling and development of characteristic equations of evacuated tubular collector (ETC)”. Solar Energy, 116, 2015, 165-176.

•    Sonveer Singh, Sanjay Agarwal, G. N. Tiwari, Deepika Chauhan. “Application of genetic algorithm with multi-objective function to improve the efficiency of glazed photovoltaic thermal system for New Delhi (India) climatic condition”. Solar Energy, 117, 2015, 153-166.

•    Sanjay Agrawal, G. N. Tiwari. “Performance analysis in terms of carbon credit earned on annualized uniform cost of glazed hybrid photovoltaic thermal air collector”. Solar Energy, 115, 2015, 329-340.

•    Shyam, G. N. Tiwari and I. M. Al-Helal, Analytical expression of temperature dependent electrical efficiency of N-PVT water collectors connected in series, Solar Energy, Volume 114, 2015, 61-76.

•    Madhu Sudan, G. N. Tiwari and I. M. Al-Helal. “A daylight factor model under clear sky conditions for building: An experimental validation” Solar Energy, 115, 2015, 379-389.

•    Ankita Gaur, G. N. Tiwari, “Analytical expressions for temperature dependent electrical efficiencies of thin film BIOPVT systems”. Applied Energy, 146, 15 2015, 442 - 452.

•    Shyam, I. M. Al-Helal, Anil Kumar Singh, G. N. Tiwari, Performance evaluation of PVT greenhouse dryer and development of characteristic curve, Journal of Renewable and Sustainable Energy, 7, 033109 (2015), 1-20.

•    C.S. Rajoria, Sanjay Agrawal, G.N. Tiwari, G.S. Chaursia. Exergetic and enviroeconomic analysis of semitransparent PVT array based on optimum air flow configuration and its comparative study, Solar Energy, 122 (2015), 1138-1145.

•    Madhu Sudan, G.N. Tiwari, I.M. Al-Helal. Dynamic analysis of daylight metrics and energy saving for rooftop window integrated flat roof structure of building, Solar Energy, 122 (2015), 834-846.

2014

•    Ankita Gaur, G. N. Tiwari, “Exergoeconomic and enviroeconomic analysis of photovoltaic modules of different solar cells”, J. Sol. Energy, Volume 2014, http://dx.doi.org/10.1155/2014/719424.

•    Deepali Kamthania, G. N. Tiwari, Energy metrics analysis of semi-transparent hybrid PVT double pass facade considering various silicon and non-silicon based PV module Hyphen is accepted Original Research Article Solar Energy,100, February 2014.

•    Ankita Gaur, G. N. Tiwari, “Performance of a-Si thin film PV modules with and without water flow: An experimental validation”. Applied Energy, 128, 2014, 184-191.

•    Shiv Kumar, Aseem Dubey, G. N. Tiwari, A solar still augmented with an evacuated tube collector in forced mode, Desalination, Volume 347, 15 August 2014, Pages 15-24

•    Ravi P. Agrahari, G. N. Tiwari. The Production of Biogas Using Kitchen Waste. International Journal of Energy Science, 2013, 3(6), 408-413. doi: 10.14355/ijes.2013.0306.05.

•    Ravi P. Agrahari, G. N. Tiwari, Comparitive Study of Biogas Production: Utilization of Organic Waste, Int. Journal of Environment and Resource, Volume 3 Issue 1 February 2014, 1-6

•    Madhu Sudan and G. N. Tiwari, Energy matrices of the building by incorporating daylight concept for composite climate-An experimental study, Journal of Renewable and Sustainable Energy 6, 053122 (2014)

•    Shyam and G. N. Tiwari, Performance evaluation of PVT mixed mode dryer with load condition, Journal of Fundamentals of Renewable Energy and Application 2014, 4(2), 1-7

•    Ravita Lamba, Ankita Gaur, G. N. Tiwari, “Life cycle cost assessment and enviroeconomic analysis of thin film amorphous silicon photovoltaic system” International journal of fundamentals of renewable energy and applications. 2014, 4:2.

2013

•    C.S. Rajoria, Sanjay Agrawal, G. N. Tiwari, 2013. Exergetics and enviroeconomics analysis of novel hybrid PVT array. Solar Energy 88, 110-119.

•    G. K. Singh, Sanjay Agrawal and G. N. Tiwari, Analysis of Different Types of Hybrid Photovoltaic Thermal Air Collectors: A Comparative Study, Journal of Fundamentals of Renewable Energy and Applications,doi:10.4303/jfrea/R120305.

•    R.K. Mishra, G. N. Tiwari. Energy and exergy analysis of hybrid photovoltaic thermal water collector for constant collection temperature mode Original Research Article Solar Energy, 90, April 2013

•    R.K. Mishra, G. N. Tiwari, Energy Matrices Analyses of hybrid photovoltaic thermal (HPVT) water collector with different PV Technology Original Research Article Solar Energy, 91, May 2013,

•    Sanjay Agrawal, and G. N. Tiwari, Enviroeconomic analysis and energy matrices of glazed hybrid photovoltaic thermal module air collector, Solar Energy, 92(2013)139-146.

•    Sanjay Agrawal and G. N. Tiwari, Overall energy, exergy and carbon credit earned by different type of hybrid photovoltaic thermal air collectors, Energy conversion and Management, 65(2013)628-636.

•    Sujata Nayak, G. N. Tiwari, Energy matrices analysis of hybrid PVT greenhouse dryer by considering various silicon and non – silicon PV modules Original Research Article International Journal of Sustainable Energy 2013 (Article in Press)

•    Rakhi Sharma, G. N. Tiwari, Life cycle assessment of stand-alone photovoltaic (SAPV) system under on-field conditions of New Delhi, India, Energy Policy, Volume 63, December 2013, Pages 272-282

•    Ragh Vendra Singh, Shiv Kumar, M.M. Hasan, M. Emran Khan, G. N. Tiwari, Performance of a solar still integrated with evacuated tube collector in natural mode, Desalination, Volume 318, 3 June 2013, Pages 25-33

•    Ankita Gaur, G. N. Tiwari, Performance of Photovoltaic Modules of Different Solar Cells, J. Sol. Energy (2013) (http://dx.doi.org/10.1155/2013/734581).

2012

•    Shiv Kumar, Gajendra Singh, G. N. Tiwari and J.K. Yadav. Thermal modelling of a hybrid photovoltaic thermal water heater in parallel configuration. International Journal of Sustainable Energy, 2012, 1–19.

•    Rakhi Sharma, G. N. Tiwari. Technical performance evaluation of stand-alone photovoltaic array for outdoor field conditions of New Delhi. Applied energy 92 (2012) 644- 652.

•    K. Vats, G. N. Tiwari, Performance evaluation of a building integrated semitransparent photovoltaic thermal system for roof and façade. Energy and Buildings 45 (2012) 211- 218.

•    K. Vats, G. N. Tiwari. Energy and exergy analysis of a building integrated semitransparent photovoltaic thermal (BISPVT) system. Applied Energy, vol. 96, pp. 409–416, 2012.

•    R. Dev, G. N. Tiwari, Annual performance of evacuated tubular collector integrated single slope solar still. Desalination & Water Treatment (2012). 41:1-3, 204-223.

•    C.S. Rajoria, Sanjay Agrawal, G. N. Tiwari, 2012. Overall thermal energy and exergy analysis of hybrid photovoltaic Thermal array. Solar Energy 86, 1531-1538.

•    Deepali Kamthania, G. N. Tiwari, Performance Analysis of a Hybrid Photovoltaic Thermal Double Pass Air Collector Using ANN, International Journal of Applied Solar Energy, Springer Vol.48 (3); pp. 186-192.

•    Deepali Kamthania, Sujata Nayak and G. N. Tiwari, Performance Analysis of a Hybrid Photovoltaic Thermal Single Pass Air Collector Using ANN, Journal of Advances in Intelligent and Soft Computing, Springer ISSN: 1867-5670, Vol. 166; pp. 911-918.

•    Deepali Kamthania, G. N. Tiwari, Determination of Efficiency of Hybrid Photovoltaic Thermal Air Collectors Using Artificial Neural Network Approach for Different PV Technology, BVICAM's International Journal of Information Technology, ISSN: 09735658; Vol. 4 (1); Indexed by Cabell's Directory USA, Directory of Open Access Journals (DOAJ), Sweden, J-Gate, the e-Journal Gateway.

•    Sanjay Agrawal and G. N. Tiwari, “Exergoeconomic analysis of glazed hybrid photovoltaic thermal module air collector.” Solar Energy, 86(2012)2828-2838

•    Kanchan Vats, Vivek Tomar, G. N. Tiwari, Effect of packing factor on the performance of a building integrated semitransparent photovoltaic thermal (BISPVT) system with air duct Original Research Article Energy and Buildings,53, October 2012

•    T.T. Chow, G. N. Tiwari, Hybrid Solar: A review on photovoltaic and thermal integration, Original Research Article International Journal of Photoenergy 2012, art no. 307287

•    T.T. Chow, G. N. Tiwari, Hybrid solar technology for power polygeneration and energy polygeneration and energy saving, Original Research Article International Journal of Photoenergy2012, art.no. 957425

•    G. Singh, V.K. Dwivedi, G. N. Tiwari, Experimental validation of thermal model of hybrid photovoltaic thermal (HPVT) double slope active solar still Desalination and Water Treatment, Volume 45(1-3), 2012

•    R.Gupta, G. N. Tiwari, Calculation of total solar fraction for different orientation of greenhouse using 3D- shadow analysis in Auto- CAD Energy 27-34, (2012)

•    Kanchan Vats, G. N. Tiwari, Performance evaluation of a building integrated semitransparent photovoltaic thermal system of roof and facade Original Research Article Energy and Buildings, 45, February 2012

•    T. Chow, G. N. Tiwari, and C. Menezo Hybrid Solar: A Review on Photovoltaic and Thermal Power Integration., Hindawi Publishing Corporation International Journal of Photoenergy, Volume 2012, Article ID 307287, doi:10.1155/2012/307287

•    Sanjay Agrawal, G.N Tiwari and H.D. Pandey, Indoor experimental Analysis of glazed hybrid photovoltaic thermal tiles air collector connected in series.” Energy and Building, 53(2012) 145-151.

•    C.S. Rajoria, Sanjay Agrawal and G. N. Tiwari, Carbon credit earned by hybrid photovoltaic thermal array, Journal of Fundamentals of Renewable Energy and Applications,doi:10.4303/jfrea/R120304.

2011

•    R. Gupta, G. N. Tiwari, A. Kumar, Y. Gupta. Calculation of total solar fraction for different orientation of greenhouse using 3d- shadow analysis in auto cad. Energy and Buildings. In press, corrected proof, Available online 1 December 2011.

•    Chel A. and Tiwari G.N. (2011), A case study of a typical 2.32 kWP stand-alone photovoltaic (SAPV) in composite climate of New Delhi (India), Applied Energy, 88(4): 1415-1426.

•    R. Dev, S.A. Abdul-Wahab, G. N. Tiwari, Performance Study of an Inverted Absorber Solar Still with Water Depth and Total Dissolved Solid. Applied Energy (2011), 88: 252-264.

•    R. Dev, H.N. Singh, G. N. Tiwari, Characteristic equation of double slope passive solar still. Desalination (2011), 267: 261-266.

•    R. Dev, G. N. Tiwari, Characteristic equation of the inverted absorber solar still. Desalination (2011), 269: 67-77.

•    D. Kamthania, S. Nayak, G. N. Tiwari. Energy and exergy analysis of a hybrid photovoltaic thermal double pass air collector, Applied Solar Energy, 2011, Vol. 47, No. 3, pp. 199–206.

•    Deepali Kamthania, Sujata Nayak, G. N. Tiwari. Performance evaluation of a hybrid photovoltaic thermal double pass facade for space heating. Energy and buildings.2011; 43 (9): 2274- 2281.

•    Sanjay Agrawal, G. N. Tiwari. Energy and exergy analysis of hybrid micro-channel photovoltaic thermal module. Solar Energy 85 (2011) 356–370.

•    G. N. Tiwari, R K Mishra, S C Solanki. Photovoltaic modules and their applications: A review on thermal modelling. Applied Energy (2011) Volume: 88, Issue: 7, Publisher: Elsevier Ltd, Pages: 2287-2304.

•    M. Jamil Ahmad, G. N. Tiwari. Solar radiation models- A review. International Journal of Energy Research- Volume 35, Issue 4, pages 271–290, 25 March 2011.

•    Shiv Kumar and G. N. Tiwari. Analytical expression for instantaneous exergy efficiency of a shallow basin passive solar still. International Journal of Thermal Sciences 50 (2011) 2543-2549.

•    Gajendra Singh, Shiv Kumar and G. N. Tiwari. Design, fabrication and performance evaluation of a hybrid photovoltaic thermal (PVT) double slope active solar still. Desalination 277 (2011) 399–406.

•    S. Nayak, G. N. Tiwari, Drying and testing of mint (Mentha piperita) by hybrid photovoltaic thermal (PVT) based greenhouse dryer Drying Technology, 29(9), 2011

•    P. Agrawal, G. N. Tiwari, Return on capital and earned carbon credit using hybrid solar- wind generator Energy Engineering, 108(4), 2011

•    P .Barnwal, G. N. Tiwari, Experimental validation of hybrid photovoltaic – thermal (PV/T) greenhouse dryer under forced mode International Journal of Food Engineering, 6(6), 2011, art no. 17

•    M.K. Guar, G. N. Tiwari, S. Kumar, Validation of Thermal models to predict the heat and mass transfer coefficient for indoor simulations. Desalination and Water Treatment, 26(1-3) , 2011

•    R. Dev, S.A. Abdul-Wahab, G. N. Tiwari, An energy and exergy analysis of building integrated photovoltaic thermal system Energy Sources, Part A: Recovery, Utilization and Enviromental Effects, 33(7), 2011,

•    Sanjay Agrawal and G. N. Tiwari, Performance evaluation of hybrid modified micro-channel solar cell thermal tile: an experimental validation, International Journal of Engineering Science and Technology 3(2011) 244-254.

2010

•    A. Chel, G. N. Tiwari and H.N. Singh, A modified model for estimation of daylight factor for skylight integrated with dome roof structure of mud house, Applied Energy,87, 3037 (2010)

•    R.D. Singh and G. N. Tiwari, Energy conservation in the greenhouse system: A steady state analysis, Energy, 35, 2367 (2010).

•    Swapnil Dubey and G. N. Tiwari, Energy and exergy analysis of hybrid PVT solar water heater considering with and without withdrawal from tanks, Journal of Renewable and Sustainable Energy, 2, 043106 (2010)

•    B. Agrawal, G. N. Tiwari, “Optimizing the Energy and Exergy of Building Integrated Photovoltaic Thermal (BIPVT) Systems under Cold Climatic Conditions”, Applied Energy, 87, 417, (2010)

•    B. Agrawal, G. N. Tiwari, “Performance and Life Cycle Cost Analysis of Building Integrated Photovoltaic Thermal (BIPVT) Systems Using Different Solar Cells”, Energy and Buildings, 42, 1472 (2010)

•    Swapnil Dubey and G. N. Tiwari. Energy and exergy analysis of hybrid PV/T solar water heater considering with and without withdrawal from tank, International Journal of Thermal Sciences, American Institute of Physics 2, 043106 (2010)

•    V. Dwivedi and G. N. Tiwari, Thermal modeling and carbon credit earned of a Double slope passive solar still. Desalination and Water Treatment, 13, 400 (2010).

•    V. Dwivedi and G. N. Tiwari, Experimental validation of thermal model of a double slope active solar still under natural circulation mode. Desalination”, 250, 49 (2010)

•    Arvind Chel and G. N. Tiwari Stand-alone photovoltaic (PV) integrated with earth to air heat exchanger (EAHE) for space heating/cooling of adobe house in New Delhi (India), Energy Conversion and Management, 51, 393 (2010)

•    M. Jamil Ahmad and G. N. Tiwari, Solar radiation models: review. International Journal of Energy and Environment, Volume 1, 513(2010)

•    M. Jamil Ahmad, G. N. Tiwari, Anil Kumar Singh, Manisha Sharma and H.N. Singh, Heating/cooling potential and carbon credit earned for dome shaped house. International Journal of Energy and environment, Volume 1, Issue 1, 133(2010)

•    M. Jamil Ahmad and G. N. Tiwari, Estimation of Luminous efficacy of daylight and exterior illuminance for composite climate. International Journal of Energy and Environment, Volume 1, Issue 2, 257(2010)

•    R. Dev and G. N. Tiwari, “Characteristic equation of hybrid PV-T active solar still”, Desalination, 254, 126(2010)

•    S. A. Abdul-Wahab, A. M. Al-Damkhi, H. Al-Hinai, R. Dev, G. N. Tiwari, “Experimental Study of an Inverted Absorber Solar Still”, Desalination & Water Treatment, 19, 249(2010).

•    B. Agrawal and G.N. Tiwari, “Energy and Exergy Analysis of Building Integrated Photovoltaic Thermal (BIPVT) Systems”, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, (2010).

•    Prabhakant, Basant Agrawal and G. N. Tiwari, Return on capital and earned carbon credit by hybrid solar photovoltaic-wind turbine generators, Applied Solar Energy, 46, 33 (2010)

•    Prabhakant, Basant Agrawal, and G. N. Tiwari (2010). Economic and Energy Matrix Analysis of Hybrid Solar-Wind Generators. Energy Engineering.

•    Prabhakant, R. K. Mishra and G. N. Tiwari (2010). Thermal modelling of hybrid photovoltaic thermal (HPVT)-bio gas plants. Applied Solar Energy, 2011, Vol. 47, No. 4, pp. 304–311.

•   . Nayak, G. N. Tiwari, Energy metrics of photovoltaic / thermal and earth exchanger integrated greenhouse for different climatic conditions of India Applied Energy, 87(10), 2010

•    B. Agrawal, G. N. Tiwari,.Life cycle cost assessment of building integrated photovoltaic thermal (BIPVT) Systems Energy and Building, 42(9), 2010

•    M.K. Guar ,G. N. Tiwari, Optimization of number of collectors for integrated PV/T hybrid active solar still Applied Energy, 87(5), 2010

•    S. Kumar, G. N. Tiwari, M.K. Guar, Development of empirical relation to evaluate the heat transfer coefficients and fractional energy in basin type hybrid (PV/T) active solar still, Desalination, 250(1), 2010.

•    V.K., Dwivedi, G. N. Tiwari, Experimental validation of thermal model of a double slope active solar still under natural circulation mode, Desalination, 250(1), 2010.

2009

•    Swapnil Dubey, G.S. Sandhu and G. N. Tiwari, Analytical expression for electrical efficiency of PV/T hybrid air collector, Applied Energy, 86, 697 (2009)

•    M. Jamil Ahmed and G. N. Tiwari, Optimization of tilt angle for solar collector to receive maximum radiation, The Open Renewable Energy Journal, 2, 19 (2009)

•    Prabhakant and G. N. Tiwari (2009). Evaluation of carbon credits earned by energy security in India. International Journal of Low-Carbon Technologies 4: 42-51.

•    M. Jamil Ahmed and G. N. Tiwari, Evaluation and comparison of hourly solar radiation models, Int. Journal of Energy Research, 33, 538 (2009)

•    G. N. Tiwari, Tribeni Das, C.R. Chen and P. Barnwal, Energy and exergy analyses of greenhouse fish drying, Int. J. Exergy, 6, 620 (2009).

•    Vivek Raman and G. N. Tiwari, A comparison study of energy and exergy performance of a hybrid photovoltaic double-pass and single-pass air collector, Int. Journal of Energy Research, 33, 605 (2009)

•    G. N. Tiwari, Sujata Nayak, Swapnil Dubey, S.C. Solanki and R.D. Singh, Performance analysis of a conventional PV/T mixed mode dryer under no load condition, Int. Journal of Energy Research, 33, 919 (2009)

•    Prabhakant and G. N. Tiwari, Analysis of return on capital for bio-gas plants with and without embodied energy, Journal of Energy Storage and Conversion, 1 (Jan-June, 2009), 11 (2009)

•    Prabhakant and G. N. Tiwari (2009). Energy payback time and life-cycle conversion efficiency of solar energy park in Indian conditions. International Journal of Low-Carbon Technologies Advance Access published July 6, 2009.

•    M. Jamil Ahmad and G. N. Tiwari, Optimum tilt angle for solar collectors used in India, Int. Journal of Ambient Energy, 30(2), 73 (2009)

•    V. Dwivedi and G. N. Tiwari, Comparison of internal heat transfer coefficients in passive solar stills by different thermal models: An experimental validation. Desalination 246, 304(2009)

•    G. N. Tiwari, V. Dimri and Arvind Chel "Parametric study of an active and passive solar distillation system", Desalination 242, 1(2009)

•    Arvind Chel and G. N. Tiwari Performance evaluation and life cycle cost analysis of earth to air heat exchanger integrated with adobe building for New Delhi composite climate, Energy and Buildings, 41, 56(2009).

•    Arvind Chel, G. N. Tiwari and Avinash Chandra, Simplified method of sizing and life cycle cost assessment of building integrated photovoltaic system, Energy and Buildings, 41, 1172 (2009).

•    Arvind Chel and G. N. Tiwari “Thermal performance and embodied energy analysis of a passive house – case study of vault roof mud-house in India”, Applied Energy, 86(10), 1956(2009).

•    Arvind Chel, G. N. Tiwari and Avinash Chandra “A model for estimation of daylight factor for skylight: An experimental validation using pyramid shape skylight over vault roof mud-house in New Delhi (India)”, Applied Energy, 86(11), 2507(2009).

•    Arvind Chel, G. N. Tiwari and Avinash Chandra , Sizing and cost estimation methodology for stand-alone residential PV power system, International Journal of Agile Systems and Management, 4(1/2) 21(2009)

•    R. Dev and G. N. Tiwari, “Characteristic equation of single slope solar still”, Desalination, 245,246(2009)

•    Ashish Shukla, G. N. Tiwari, M.S. Sodha. Embodied energy analysis of an adobe house. Renewable Energy. 2009: 34(3); 755-761.

•    S. Kumar, G. N. Tiwari, Life cycle cost analysis of single slope hybrid (PV/T) active solar still Applied Energy, 86(10), 2009

•    V.K. Dwivedi, G. N. Tiwari, Comparison of internal heat transfer coefficient in passive solar still by different thermal models: An experimental validation Desalination, 246(1-3), 2009

•    S. Kumar, G. N. Tiwari, Estimation of internal heat transfer coefficient of a hybrid (PV/T) active solar still, Solar Energy, 83(9),2009

•    S. Dubey, G. N. Tiwari, Analysis of PV/T flat plate water collector connected in series Solar Energy, 83(9), 2009

•    S. Nayak, G. N. Tiwari, Theoretical performance assessment of an integrated photovoltaic and earth air heat exchanger greenhouse using energy and exergy analysis method Energy and Building, 41(8), 2009

•    S. Kumar, G. N. Tiwari, Thermal modelling , validation and exergetic analysis of a hybrid Photovoltaic/ Thermal ( PV/T) active solar still International Journal of Exergy, 6(4), 2009

•    Prabhakant, G. N Tiwari, Energy payback time and life- cycle conversion efficiency of solar energy park in Indian conditions International Journal of Low – Carbon Technologies, 9(3), 2009, art.no. ctp 020

•    M.J. Ahmad, G. N. Tiwari, Evaluation and comparison of hourly solar radiation models International Journal of Energy Research, 33(5),2009

•    G. N. Tiwari, V.Dimri, A. Chel, Parametric study of an active and passive solar distillation system: Energy and exergy analysis, Desalination, 242(1-3), 2009

•    M.J .Ahmad and G. N. Tiwari, Optimum tilt angle for solar collector used in India International Journal of Ambient Energy, 30(2), 2009.

•    A.S. Joshi, A. Tiwari, G. N. Tiwari, Performance evaluation of a hybrid photovoltaic thermal (PV/T) (glass to glass) system International Journal of Thermal Sciences, 48(1), 2009

•    A. Chel, G. N. Tiwari, Performance evaluation and life cycle analysis of earth to air heat exchanger integrated with adobe building for New Delhi composite climate Energy and Building, 41(1), 2009

2008

•    Lopa Ghosh and G. N. Tiwari, Computer modeling of dissolved oxygen performance in greenhouse fish pond: an experimental validation, Int. J. of Agriculture Research, 3(2), 83 (2008)

•    T. Das and G. N. Tiwari, Heat and mass transfer of greenhouse fish drying under forced convection mode, Int. J. of Agriculture Research, 3(1), 69 (2008)

•    A Shukla, G. N. Tiwari and M.S. Sodha, Experimental study of effect of an inner thermal curtain in evaporative cooling system of a cascade greenhouse, Solar Energy, 82, 61 (2008)

•    A. K. Tiwari and G. N. Tiwari, Effect of cover inclination and water depth on performance of a solar still for Indian climatic conditions, ASME, Journal of Solar Energy Engineering, 130, 1-4, May 2008

•    Swapnil Dubey and G. N. Tiwari, Thermal modeling of a combined system of photovoltaic thermal (PV/T) solar water heater, Solar Energy, 82, 602 (2008)

•    Vimal Dimri, B. Sarkar, U. Singh and G. N. Tiwari, Effect of condensing cover material on yield of an active solar still: an experimental validation, Desalination, 227, 178 (2008)

•    Swapnil Dubey and G. N. Tiwari, Analysis of different configurations of flat plate water collectors connected in series, Int. Journal of Energy Research, 32, 1362 (2008)

•    P. Barnwal and G. N. Tiwari, Grape drying by using hybrid photovoltaic-thermal (PV/T) greenhouse dryer, Solar Energy, 82, 1131 (2008)

•    Swapnil Dubey and G. N. Tiwari. Life cycle cost analysis and carbon credit earned by hybrid PV/T solar water heater for Delhi climatic conditions. The Open Environmental Journal, 2, (2008)

•    Swapnil Dubey and G. N. Tiwari. Analysis of partially covered PV/T flat plate water collectors connected in series. Solar Energy 82 (7), 602(2008)

•    A. Ranjan, Swapnil Dubey, B. Agarwal and G. N. Tiwari. Performance analysis of an existing BIPV system for Indian climatic conditions, The Open renewable Energy Journal ,1, 01(2008)

•    V. Dwivedi and G. N. Tiwari, Annual energy and exergy analysis of a double slope passive solar still. “Trends in Applied Sciences and Research” 3(3): 225 (2008).

•    G. N. Tiwari, V. Dimri and Arvind Chel "Exergetic analysis of passive and active solar stills", International Journal of Exergy 5(3): 360(2008)

•    M. Jamil Ahmad and G. N. Tiwari, Study of models for predicting the mean hourly global radiation from daily summations. Open Environmental Journal, Volume 2, 6(2008)

•    M. Jamil Ahmad and G. N. Tiwari, (2008) Estimation of hourly global solar radiation for composite climate. Open Environmental Journal, Volume 2, 34(2008)

•    M. Jamil Ahmad and G. N. Tiwari, Evaluation of atmospheric transmittance for composite climate. International Journal of Agricultural Engineering. Manuscript EE 08 009. Vol. X. (2008).

•    Prabhakant and G. N. Tiwari, Evaluation of carbon credit earned by a solar energy park in Indian condition, The Open Fuels & Energy Science Journal, 1, 57 (2008)

•    Ashish Shukla, G. N. Tiwari, M.S. Sodha, Thermal performance of an adobe structure integrated with an earth-air heat exchanger: An experimental study. CIGR, International Journal EE 08 005. Vol. X. May, 2008.

•    P. Barnwel, G. N. Tiwari, Life cycle energy metrics and CO2 credit analysis of a hybrid photovoltaic – thermal greenhouse dryer International Journal of Low Carbon Technologies, Volume 3(3), 2008, Pages 203-220.

•    V. Raman, G. N. Tiwari, and H.D. Pandey, Life cycle cost analysis of a hybrid photovoltaic thermal water and air collector: A comparison study based on energy and exergy International Journal of Low carbon Technologies, Volume 3(3), 2008, Pages 173-190.

•    S. Nayak, and G. N. Tiwari, Energy and Exergy analysis of photovoltaic/thermal integrated with a solar greenhouse Energy and Building, Volume 40(11), 2008, Pages 2015-2021.

•    V.Raman, G. N. Tiwari, Life cycle cost analysis of HPVT air collector under different Indian climatic conditions, Energy Policy, 36(2), 2008

2007

•    I. Nawaz and G. N. Tiwari, Comparative analysis of conventional and renewable energy sources for atypical Indian Village, Int. Journal of Ambient Energy, 28, 3 (2007)

•    A. K. Tiwari and G. N. Tiwari, Thermal modeling based on solar fraction and experimental study of the annual and seasonal performance of a single slope passive solar still: The effect of water depths, Desalination, 207, 184 (2007)

•    Anand S. Joshi and G. N. Tiwari, Evaluation of solar radiation and its application for photovoltaic air collector for Indian composite climate, Int. Journal of Energy Research, 31, 811 (2007)

•    B. Sarkar, B.C. Mohapatra, S.K. Singh, Dukhia Majhi, N. Sarangi and G. N. Tiwari, Impact on energy consumption in greenhouse fish production, Asian Journal of Agricultural Research, 1, 74-79 (2007)

•    A. K. Tiwari and G. N. Tiwari, Annual performance analysis and thermal modeling of passive solar still for different inclinations of condensing cover, Int. Journal of Energy Research, 31, 1358 (2007)

•    G. N. Tiwari, Vimal Dimri, U Singh, A. Chel and B. Sarkar, Comparative thermal performance evaluation of an active solar distillation system, Int. Journal of Energy Research, 31, 1465 (2007)

•    A.S. Joshi and G. N. Tiwari, Monthly energy and exergy analysis of hybrid photovoltaic thermal (PV/T) system for Indian climate, Int. Journal of Ambient Energy, 28(2), 99 (2007)

•    A. Tiwari, V. Raman and G. N. Tiwari, Embodied energy analysis of hybrid photovoltaic thermal (PV/T) water collector, Int. Journal of Ambient Energy, 28(4), 181 (2007)

•    Anil Kumar and G. N. Tiwari, Effect of mass on convective heat transfer coefficient during onion flakes drying. Journal of Food Engineering. Vol. 79 (2007), 1337-1350.

•    V. Dwivedi and G. N. Tiwari, Comments on the paper entitled “Thermal modeling of Double slope solar still by using inner glass cover temperature” (Published in the International Journal of Applied Engineering Research, ISSN 0973-4562, 2, Number 4 (2007), International Journal of Applied Engineering Research, Accepted.

•    G. N. Tiwari, Solar Distillation International Journal of Energy, Environment and Economics, 15(1-2), (2007)

•    G. N. Tiwari, Solar greenhouse crop drying International Journal of Energy, Environment and Economics, 15(1-2), (2007)