Simulation Study of the Thermal Performance of MSF Desalination Unit Operating by Solar Vacuum Tube Collectors

Abdunnabi, Mohammad; Ramadan, Abdulghani

doi:10.2316/p.2012.788-054

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…Abdunnabi and Ramadan [51] conducted a simulation study in an attempt to make the best use of readily available components (90 vacuum tubes collators, 4 storage tanks) to operate the MSF desalination unit with field of solar thermal collectors. Several configurations of collectors and tank arrangements were designed and examined through the use of simulation software, TRNSYS.…”

Section: Figure (9) Reverse Osmosis Desalination System [18]mentioning

confidence: 99%

Review on Solar Thermal Desalination in Libya

Abdunnabi

Belgasim

Ramadan

2018

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Libya is suffering from a freshwater shortage as most of its land is semi-arid to arid with very low precipitation rates and too limited freshwater sources. Libya is in one of the driest regions of the world with an annual rainfall ranging from just 10 mm to 500 mm, and only 5% of its land receives more than 100 mm annually. This review summarizes the most important published studies related to solar thermal desalination research in Libya. A brief description of the most thermal desalination technologies is also presented. The study has shown that only a few in-completed pilot projects were carried out for desalination using renewable energy.The research activities in the field of using renewable energy especially solar thermal energy to desalinate water are limited and do not give a comprehensive idea on the potential of different thermally driven solar desalination technologies. However, most of the recent pilot studies refer to using CSP desalination in providing most of the future water demand in Libya by 2035. A lot of efforts need to be done to carry-on genuine research to put strategic plan to tackle the deficit water issue in Libya through using desalination driven by conventional and renewable energies

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Section: Figure (9) Reverse Osmosis Desalination System [18]mentioning

confidence: 99%

Review on Solar Thermal Desalination in Libya

Abdunnabi

Belgasim

Ramadan

2018

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“…They have no parts which require extensive maintenance work like membranes or high temperature steam lines. There is also no bottle-neck in applying HDH for tough and varied water qualities [2]. In view of above merits, HDH systems are convenient for application in arid and remote areas and limited applications.…”

Section: Figure (1) a Schematic View Of A Solar Desalination System U...mentioning

confidence: 99%

“…In other words, 95% purity of the skies or clear days each year is available. Therefore, seawater desalination is the most practical resort to overcome the issue of fresh water shortage [2]. There is no doubt that these data call for the need to pay attention to this energy source and to exploit the use of appropriate technologies to the largest extent possible.…”

Section: Introductionmentioning

confidence: 99%

Thoretical Study for a Solar Powered Desalination Unit using Humidifiation –Dehumidifiation Technique

Ramadan¹,

Algamil²

2017

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A solar powered desalination unit which is working on a humidifiation –dehumidifiation technique (HDH) is one of the most important techniques used in seawater desalination in remote and rural areas. It is easy to design, operate and maintain. In this paper, a theoretical study based on a design methodology for a solar assisted desalination unit working on a HDH principle under the prevailing conditions of TajouraLibya is carried out. Th main target is to study the effct of diffrent design and operating parameters that inflence the performance of the unit and its productivity under diffrent design scenarios; (spring, summer,autumn and winter). Results show that the productivity of the unit is increased with a corresponding increase in the inlet air mass flw rate to the solar air heater, inlet water mass flw rate to the humidifir and cooling water mass flw rate to the dehumidifir. A signifiant increase in the productivity of the unit is achieved when the initial water temperature and the initial mass of water inside the storage tank were increased. Moreover, Gained Output Ratio, GOR, values vary between (0.27 and 0.79) for winter and spring designs and (1.94 and 2.75) for autumn and summer designs respectively. In general, the productivity of the unit is estimated tobe within a range from a minimum of (2 ~ 4) kg/m2.day, in winter to a maximum of (10 ~ 12) kg/m2.day, in summer, which makes it very convenient for using in rural and remote areas.

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