References
  -  S.K. Sansaniwal, V. Sharma, J. Mathur, Energy and exergy
    analyses of various typical solar energy applications: a
    comprehensive review, Renewable Sustainable Energy Rev.,
    82 (2018) 1576–1601. 
-  A.E. Kabeel, Z.M. Omara, F.A. Essa, A.S. Abdullah, Solar still
    with condenser – a detailed review, Renewable Sustainable
    Energy Rev., 59 (2016) 839–857. 
-  M.W. Shahzad, M. Burhan, L. Ang, K.C. Ng, Energy-water
    environment nexus underpinning future desalination
    sustainability, Desalination, 413 (2017) 52–64. 
-  M.W. Shahzad, K.C. Ng, K. Thu, B.B. Saha, W.G. Chun, Multi
    effect desalination and adsorption desalination (MEDAD):
    a hybrid desalination method, Appl. Therm. Eng., 72 (2014)
    289–297. 
-  K.C. Ng, K. Thu, S.J. Oh, L. Ang, M.W. Shahzad, A.B. Ismail,
    Recent developments in thermally-driven seawater desalination:
    energy efficiency improvement by hybridization of
    the MED and AD cycles, Desalination, 356 (2015) 255–270. 
-  M.W. Shahzad, K. Thu, Y. Kim, K.C. Ng, An experimental
    investigation on MEDAD hybrid desalination cycle,
    Appl. Energy, 148 (2015) 273–281. 
-  R. Kumar, D.B. Singh, A. Dewangan, V.K. Singh, N. Kumar,
    Performance of evacuated tube solar collector integrated solar
    desalination unit-a review, Desal. Water Treat., 230 (2021)
    92–115. 
-  S. Chhabra, A.S. Verma, A. Gupta, R. Kumar, A. Karnwal,
    A. Kumar, V. Vashishtha, D.B. Singh, Attempts to raise the
    solar still outcome: a short review, Mater. Today Proc., 64 (2022)
    1375–1379. 
-  M. Chandrashekara, A. Yadav, Water desalination system
    using solar heat: a review, Renewable Sustainable Energy Rev.,
    67 (2017) 1308–1330. 
-  A.M. Manokar, D.P. Winston, A.E. Kabeel, S.E. El-Agouz,
    R. Sathyamurthy, T. Arunkumar, B. Madhu, A. Ahsan,
    Integrated PV/T solar still – a mini-review, Desalination,
    435 (2018) 259–267. 
-  A.K. Singh, D.B. Singh, A. Mallick, Harender, S.K. Sharma,
    N. Kumar, V.K. Dwivedi, Performance analysis of specially
    designed single basin passive solar distillers incorporated with
    novel solar desalting stills: a review, Sol. Energy, 135 (2019)
    146–164. 
-  A.K. Tiwari, 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 (2007) 184–204. 
-  A.E. Kabeel, Z.M. Omara, F.A. Essa, Enhancement of modified
    solar still integrated with external condenser using nanofluids:
    an experimental approach, Energy Convers. Manage.,
    78 (2014) 493–498. 
-  S.W. Sharshir, G. Peng, L. Wu, N. Yang, F.A. Essa,
    A.H. Elsheikh, S.I.T. Mohamed, A.E. Kabeel, Enhancing the
    solar still performance using nanofluids and glass cover cooling:
    experimental study, Appl. Therm. Eng., 113 (2017) 684–693. 
-  S. Shanmugan, F.A. Essa, Experimental study on single slope
	  single basin solar still using TiO2 nano layer for natural
    clean water invention, J. Energy Storage, 30 (2020) 101522,
  doi: 10.1016/j.est.2020.101522. 
-  V. Singh, R. Kumar, R.K. Sharma, S.P. Singh, H. Sinhmar,
    D.B. Singh, An investigation on effect of variation of mass
    flow rate and number of collectors on yearly efficiency of
    single slope solar still by incorporating N similar photovoltaic
    thermal flat plate collectors, Water Supply, 22 (2022) 5126–5148. 
-  D. Kumar, R.K. Sharma, D.B. Singh, Effect of the variation of a
    mass-flow-rate and a number of collectors on the performance
    of an active solar still, Desal. Water Treat., 248 (2022) 1–17. 
-  S.K. Sharma, A. Mallick, D.B. Singh, G.N. Tiwari, Experimental
    study of solar energy-based water purifier of single-slope
    type by incorporating a number of similar evacuated tubular
    collectors, Environ. Sci. Pollut. Res., 29 (2022) 6837–6856. 
-  A. Raturi, D.B. Singh, P.P. Patil, A.K. Sharma, Sensitivity
    analysis of a solar still of a single slope type included with N
    similar evacuated tubular collectors having series connection,
    Desal. Water Treat., 234 (2021) 309–323. 
-  Sandeep, S. Kumar, V.K. Dwivedi, Experimental study on
    modified single slope single basin active solar still, Desalination,
    367 (2015) 69–75. 
-  R.V. Singh, S. Kumar, M.M. Hasan, M.E. Khan, G.N. Tiwari,
    Performance of a solar still integrated with evacuated tube
    collector in natural mode, Desalination, 318 (2013) 25–33. 
-  K. Sampathkumar, T.V. Arjunan, P. Senthilkumar, The
    experimental investigation of a solar still coupled with an
    evacuated tube collector, Energy Sources Part A, 35 (2013)
    261–270. 
-  S. Kumar, A. Dubey, G.N. Tiwari, A solar still augmented with
    an evacuated tube collector in forced mode, Desalination,
    347 (2014) 15–24. 
-  P. Joshi, G.N. Tiwari, Energy matrices, exergo-economic
    and enviro-economic analysis of an active single slope solar
    still integrated with a heat exchanger: a comparative study,
    Desalination, 443 (2018) 85–98. 
-  G.K. Sharma, A. Mallick, R.K. Sharma, R. Dobriyal, N. Kumar,
    D.B. Singh, An investigation on dissimilarity of mass flow rate
    and non exergo‑enviro‑economic parameters for solar still
    of single slope type integrated with N similar PVT flat plate
    collectors having series connection, Environ. Sci. Pollut. Res.,
    29 (2022) 65842–65859. 
-  S.W. Sharshir, A.H. Elsheikh, P. Peng, N. Yang,
    M.O.A. El-Samadony, A.E. Kabeel, Thermal performance and
    exergy analysis of solar stills - a review, Renewable Sustainable
    Energy Rev., 73 (2017) 521–544. 
-  R.K. Yadav, M. Kumar, J. Singh, D.B. Singh, N. Kumar, Effects
    of the dissimilarity of water depth on energy and exergy
    efficiencies and productivity of solar energy, Int. J. Exergy,
    38 (2022) 333–345. 
-  V.K. Dwivedi, G.N. Tiwari, Comparison of internal heat
    transfer coefficients in passive solar stills by different thermal
    models: an experimental validation, Desalination, 246 (2009)
    304–318. 
-  T. Rajaseenivasan, K.K. Murugavel, Theoretical and
    experimental investigation on double basin double slope solar
    still, Desalination, 319 (2013) 25–32. 
-  T. Elango, K.K. Murugavel, The effect of the water depth on
    the productivity for single and double basin double slope
    glass solar stills, Desalination, 359 (2015) 82–91. 
-  D.B. Singh, G.N. Tiwari, I.M. Al-Helal, V.K. Dwivedi, J.K. Yadav,
    Effect of energy matrices on life cycle cost analysis of passive
    solar stills, Sol. Energy, 134 (2016) 9–22. 
-  L. Sahota, G.N. Tiwari, Effect of Al2O3 nanoparticles on the
    performance of passive double slope solar still, Sol. Energy,
  130 (2016) 260–272. 
-  H.K. Jani, K.V. Modi, Experimental performance evaluation
    of single basin dual slope solar still with circular and square
    cross-sectional hollow fins, Sol. Energy, 179 (2019) 186–194. 
-  V.K. Dwivedi, G.N. Tiwari, Experimental validation of thermal
    model of a double slope active solar still under natural
    circulation mode, Desalination, 250 (2010) 49–55. 
-  G. Singh, S. Kumar, G.N. Tiwari, Design fabrication and performance
    evaluation of a hybrid photovoltaic thermal (PVT)
    double slope active solar still, Desalination, 277 (2011) 399–406. 
-  M.M. Morad, H.A.M. El-Maghawry, K.I. Wasfy, Improving
    the double slope solar still performance by using flatplate
    solar collector and cooling glass cover, Desalination,
    373 (2015) 1–9. 
-  D. Kumar, R.K. Sharma, S.K. Sharma, V.K. Dwivedi, S. Tiwari,
    D.B. Singh, Influence of dissimilarity of water depth on
    performance of n alike Photovoltaic thermal flat plate collectors
    included with double slope Solar still: a comparative study,
    Desal. Water Treat., 273 (2022) 13–33. 
-  M. Fathy, H. Hassan, M.S. Ahmed, Experimental study on
    the effect of coupling parabolic trough collector with double
    slope solar still on its performance, Sol. Energy, 163 (2018)
    54–61. 
-  K. Mohammadi, H. Taghvaei, E.G. Rad, Experimental
    investigation of a double slope active solar still: effect of a
    new heat exchanger design performance, Appl. Therm. Eng.,
  180 (2020) 115875, doi: 10.1016/j.applthermaleng.2020.115875. 
-  E. Hedayati-Mehdiabadi, F. Sarhaddi, F. Sobhnamayan, Exergy
    performance evaluation of a basin-type 
 double-slope solar
    still equipped with phase-change material and PV/T collector,
    Renewable Energy, 145 (2020) 2409–2425.
-  G.N. Tiwari, A.K. Mishra, M. Meraj, A. Ahmad, M.E. Khan,
    Effect of shape of condensing cover on energy and exergy
    analysis of a PVT-CPC active solar distillation system,
    Sol. Energy, 205 (2020) 113–125. 
-  D.B. Singh, G.N. Tiwari, Performance analysis of basin type
    solar stills integrated with N identical photovoltaic thermal
    (PVT) compound parabolic concentrator (CPC) collectors:
    a comparative study, Sol. Energy, 142 (2017) 144–158. 
-  A. Raturi, R. Dobriyal, R.K. Sharma, A. Dwivedi, S.P. Singh,
    D.B. Singh, Sensitivity investigation for solar still of double
    slope type included with N similar CPC integrated ETC
    by incorporating yield and efficiency, Desal. Water Treat.,
    244 (2021) 12–26. 
-  V. Singh, R. Kumar, D.B. Singh, An investigation on effect of
    dissimilarity of mass flow rate on hourly, daily and annual
    efficiencies of double slope type solar still included with N
    similar PVT compound parabolic concentrators, Desal. Water
    Treat., 246 (2022) 36–53. 
-  E. Deniz, S. Cinar, Energy, exergy, economic and environmental
    (4E) analysis of a solar desalination system with humidification-dehumidification, Energy Convers. Manage., 126 (2016)
    12–19. 
-  N. Rahbar, A. Asadi, E. Fotouhi-Bafghi, Performance evaluation
    of two solar stills of different geometries: tubular versus
    triangular: experimental study, numerical simulation, and
    second law analysis, Desalination, 443 (2018) 44–55. 
-  A.E. Kabeel, G.B. Abdelaziz, S.M.S. El-Said, Experimental
    investigation of a solar still with composite material heat
    storage: energy, exergy and economic analysis, J. Cleaner Prod.,
    231 (2019) 21–34. 
-  H.J. Mosleh, S.J. Mamouri, M.B. Shafii, A.H. Sima, A new
    desalination system using a combination of heat pipe, evacuated
    tube and parabolic trough collector, Energy Convers. Manage.,
    99 (2015) 141–150. 
-  D.B. Singh, Exergo-economic, enviro-economic and productivity
    analyses of N identical evacuated tubular collectors
    integrated double slope solar still, Appl. Therm. Eng., 145 (2019)
    96–104. 
-  D.B. Singh, D. Kumar, R.K. Yadav, S.K. Sharma, Y. Chaturbedi,
    N. Kumar, V.K. Dwivedi, An investigation of effect of mass
    flow rate variation on productivity, exergoeconomic and
    enviroeconomic parameters of N similar PVTCPCs included
    with double slope solar still, Desal. Water Treat., 243 (2021)
    1–17. 
-  A. Dubey, S. Kumar, A. Arora, Enviro-energy-exergo-economic
    analysis of ETC augmented double slope solar still with ‘N’
    parallel tubes under forced mode: environmental and economic
    feasibility, J. Cleaner Prod., 279 (2021) 123859, doi: 10.1016/j.jclepro.2020.123859. 
-  P. Saini, J. Singh, J. Sarkar, Proposal and performance comparison
    of various solar-driven novel combined cooling, heating
    and power system topologies, Energy Convers. Manage.,
    205 (2020) 112342, doi: 10.1016/j.enconman.2019.112342. 
-  P. Saini, J. Singh, J. Sarkar, Thermodynamic, economic and
    environmental analyses of a novel solar energy driven
    small-scale combined cooling, heating and power system,
    Energy Convers. Manage., 226 (2020) 113542, doi: 10.1016/j.enconman.2020.113542. 
-  P. Saini, J. Singh, J. Sarkar, Novel combined desalination,
    heating and power systems: energy, exergy, economic and
    environmental assessments, Renewable Sustainable Energy
    Rev., 151 (2021) 111612, doi: 10.1016/j.rser.2021.111612.