Experimental Salt Gradient Solar Pond for Heat Storage and Solar Distillation PDF Download
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Author: Andrew Cornett
Publisher:
ISBN:
Category : Renewable energy sources
Languages : en
Pages : 104
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Book Description
A Salt Gradient Solar Pond is a shallow body of water that collects and stores solar energy. Salt Gradient Solar Ponds consist of 3 layers The Upper Convective Zone (UCZ), The Non – Convective Zone (NCZ), and Lower Convective Zone (LCZ). Sunlight passes through the UCZ and moves through the NCZ where it is then stored as heat energy in the LCZ. Salt Gradient Solar Ponds can be used for many applications such as industrial process heating, space heating, desalination, and electricity production. Salt Gradient Solar Ponds offer an attractive option with growing concerns about Greenhouse gas emissions and freshwater availability. Today it is estimated that 10,000 tons of oil are used to produce 1,000 cubic meters. This research focuses on using an idealized Salt Gradient Solar Pond with a transparent plastic cover acting as the UCZ using produced brine water from the Maybee Ranch for the NCZ and LCZ layers.
Author: Andrew Cornett
Publisher:
ISBN:
Category : Renewable energy sources
Languages : en
Pages : 104
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Book Description
A Salt Gradient Solar Pond is a shallow body of water that collects and stores solar energy. Salt Gradient Solar Ponds consist of 3 layers The Upper Convective Zone (UCZ), The Non – Convective Zone (NCZ), and Lower Convective Zone (LCZ). Sunlight passes through the UCZ and moves through the NCZ where it is then stored as heat energy in the LCZ. Salt Gradient Solar Ponds can be used for many applications such as industrial process heating, space heating, desalination, and electricity production. Salt Gradient Solar Ponds offer an attractive option with growing concerns about Greenhouse gas emissions and freshwater availability. Today it is estimated that 10,000 tons of oil are used to produce 1,000 cubic meters. This research focuses on using an idealized Salt Gradient Solar Pond with a transparent plastic cover acting as the UCZ using produced brine water from the Maybee Ranch for the NCZ and LCZ layers.
Author: John R. Hull
Publisher: Springer
ISBN:
Category : Mathematics
Languages : en
Pages : 304
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Book Description
Despite a dearth of both water and love, the family discovers, through sorrow and fear, the green kiss of the Kappa Child, a mythical creature who blesses those who can imagine its magic -- back cover.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Er. Mukesh kr. Sharma
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845417660
Category : Solar ponds
Languages : en
Pages : 124
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Book Description
Over the last few years the use of solar energy has increased exponentially, but the problem of solar energy collection and thermal storage has arise and for this A solar pond is a simple and low cost solar energy system which collects solar radiation and stores it as a thermal energy in the same medium for a long period of time.For this reason, solar pond attracts the interest of researcher in this subject more than some other alternative solar energy system. In these ponds, saline is stored in three layers i.e. UCZ, NCZ and LCZ increasing in density.Thermal energy collected in LCZ can be utilized in various applications.Objective of the study was to design, carried out a detailed and then analyze salt gradient roof top solar pond.Effect of solar pond depth and salinity of brine solution on the temperature distribution of the pond were determined experimentally.The maximum temperature attained in the storage zone was approximately 41.7 Celsius.Cheaper and locally available construction and insulation material were use in our study.Our experimental setup studier and meant to run for years.All these comparisons have prove that our results and study are better than oth
Author: Aurora Alcaraz Segura
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
The energy model in the last decades has been dominated by the consumption of fossil fuels assuming a high environmental cost. Global warming and the destruction of the ozone layer are two examples of the deterioration that is being suffered due to the use of these energy sources. Increasingly, the use of renewable energy one of the alternatives in building a sustainable economic model. Among renewables, solar energy is presented as an inexhaustible and accessible source of energy. The solar pond is a technology that meets all requirements to be considered an energy storage device. It can store solar energy, charging during the months of high solar incidence (Spring-Summer), storing the energy through the time and making possible its use when it is requested. A salt gradient solar pond is a body of saline water with long term thermal storage capacity. The aim and scope of this PhD thesis is divided in two parts. First, the improvement of the efficiency of the solar pond technology through experimental evaluation the heat extraction and heat supply processes under different weather conditions. These experiments were carried out in a 50 m2 solar pond pilot plant located in Martorell (Catalonia). Heat extraction experiments were performed using both heat exchangers installed (lateral and bottom) individually or both at the same time. The results demonstrated that the efficiency of the pond increases when the heat is removed from the lateral heat exchanger compared to either using the bottom heat exchanger or using both heat exchangers simultaneously. On the other hand, the use of solar collectors as an external source of heat were conducted together with heat extraction process under two different seasonal temperature conditions: winter and summer. The results indicated that the use of solar collectors allowed a 50% increase in daily efficiency during the cold season tests. The second part was focused on the design, construction and operation of a 500 m2 solar pond in Solvay Minerales facilities (Granada). The solar pond was designed to supply the heat required to preheat the water (> 60 °C) and the reagents in the mineral flotation unit at the mineral processing facility. The overall efficiencies obtained after the first and second operation periods are 9.7 and 12.3%, respectively, with maximum values of 28 and 24% obtained during the first months of operation. Regarding the economic savings, reductions of 52 and 68% were obtained in the first and second periods compared with the traditional system without solar pond. Also, the environmental impact is clearly reduced considering the reduction of CO2 emissions. The experience of the Granada solar pond proves that the main advantage of a solar pond is the capacity to store energy in the months with the highest solar radiation to provide a flux of heat to an external system during the whole year even under strong weather conditions, as observed during the January 2015 snowfall.
Author: Ibrahim Dincer
Publisher: Springer Nature
ISBN: 303145457X
Category : Technology & Engineering
Languages : en
Pages : 253
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Book Description
This book is about solar ponds for energy storage from various perspectives, including fundamentals, efficiencies, system designs, local applications and details about what have been done in the world in the field of solar ponds for generating energy and storage it for useful purposes.
Author: John R. Hull
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 118
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Book Description
The effects of both heat extraction methods on the stability of the salt gradient are investigated.
Author: Federica Zangrando
Publisher:
ISBN:
Category : Solar collectors
Languages : en
Pages : 60
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Book Description
This document describes the work performed during the first year of an analytical and experimental investigation of heat and mass extraction from a solar pond by recirculating hot brine from the storage layer through an external heat exchanger. The experimental tests and results obtained will be described later in a companion report to this one.
Author: Susan Thomas Brown
Publisher:
ISBN:
Category :
Languages : en
Pages : 113
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Book Description
The salt-gradient solar pond was modelled both experimentally and numerically. The experimental model used a small-scale tank with artificial sunlight. Both temperature and concentration measurements were taken. The numerical model used a one dimensional heat conduction model to describe the heating phenomena in the pond. The two models predicted the same type of behavior as that expected in full-scale ponds. There were small differences in the two models. These differences arose from simplifications in the numerical model. (Author).
Author: Gnaneswar Gude
Publisher: Butterworth-Heinemann
ISBN: 0128154284
Category : Technology & Engineering
Languages : en
Pages : 624
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Book Description
Renewable Energy Powered Desalination Handbook: Applications and Thermodynamics offers a practical handbook on the use of renewable technologies to produce freshwater using sustainable methods. Sections cover the different renewable technologies currently used in the field, including solar, wind, geothermal and nuclear desalination. This coverage is followed by an equally important clear and rigorous discussion of energy recovery and the thermodynamics of desalination processes. While seawater desalination can provide a climate-independent source of drinking water, the process is energy-intensive and environmentally damaging. This book provides readers with the latest methods, processes, and technologies available for utilizing renewable energy applications as a valuable technology. Desalination based on the use of renewable energy sources can provide a sustainable way to produce fresh water. It is expected to become economically attractive as the costs of renewable technologies continue to decline and the prices of fossil fuels continue to increase. - Covers renewable energy sources, such as nuclear, geothermal, solar and wind powered desalination and energy storage and optimization - Includes energy recovery schemes, optimization and process controls - Elaborates on the principles of thermodynamics and second law efficiencies to improve process performance, including solar desalination - Explains global applicability of solar, wind, geothermal and nuclear energy sources with case studies - Discusses renewable energy-desalinated water optimization schemes for island communities
