Numerical simulation of thermal performance of a salt-gradient solar pond in a cold climate PDF Download
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Author: Hideo Inaba
Publisher:
ISBN:
Category : Heat storage
Languages : ja
Pages :
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Author: Hideo Inaba
Publisher:
ISBN:
Category : Heat storage
Languages : ja
Pages :
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Author: Jun Wang
Publisher:
ISBN:
Category : Solar ponds
Languages : en
Pages : 326
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Author: John R. Hull
Publisher: Springer
ISBN:
Category : Mathematics
Languages : en
Pages : 304
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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: Ilaria Alessandra Gatti
Publisher:
ISBN:
Category :
Languages : en
Pages :
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"This work consists in the development of a mathematical model focused on predicting temperature and salt concentration profiles in the non-convecting zone (NCZ) of a salinity gradient solar pond. The one-dimensional transient model proposed is based on the heat and mass diffusion equations, using energy and mass balances for the upper convective zone (UCZ) and the lower convective zone (LCZ) as boundary conditions, respectively".
Author: John R. Hull
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 118
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The effects of both heat extraction methods on the stability of the salt gradient are investigated.
Author:
Publisher:
ISBN:
Category : Chemical abstracts
Languages : en
Pages : 2210
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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A computer simulation design tool was developed to simulate dynamic thermal performance for salinity gradient solar ponds. Dynamic programming techniques allow the user significant flexibility in analyzing pond performance under realistic load and weather conditions. Finite element techniques describe conduction heat transfer through the pond, earth, and edges. Results illustrate typical thermal performance of salinity gradient ponds. Sensitivity studies of salty pond thermal performance with respect to geometry, load, and optical transmission are included. Experimental validation of the program with an operating pond is also presented.
Author: Er. Mukesh kr. Sharma
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845417660
Category : Solar ponds
Languages : en
Pages : 124
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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: Ibrahim Alenezi
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Solar thermal energy generated by a salinity gradient solar pond (SGSP) is one of the most promising techniques for providing heat for desalination and other applications. A solar pond is a unique, free-energy-source system for collecting, converting and storing solar energy. Saudi Arabia is one of the most solar-radiation abundant countries on the planet, but the region also has limited water resources. Studying the thermal behaviour of a SGSP under Saudi Arabian conditions for heat generation for a thermal desalination application is the aim of this study. An empirical equation is developed and a Matlab script is programmed to calculate hourly-averaged daily solar radiation (from sunrise to sunset). The results are validated through NASA's 22-year-average data for solar radiation. Mathematical models are developed to describe and simulate the thermal behaviour of a SGSP. The results are compared with a SGSP in Kuwait; the results of the steady state model are sufficiently close to the measurements. The efficiency of a solar pond depends on the salt gradient stability in the middle non-convecting zone, and the diffusion and erosion of these salt layers are considered in this study. The proposed SGSP in Riyadh, Saudi Arabia, has an area of 100 x 100m2, and the predicted temperature of the storage zone is about 100De. Higher temperatures can be reached through improved insulation and covering the surface. Additionally, an SGSP in a cold climate is suggested to compare with and test our model. The University of Surrey SGSP exceeded 80De. This renewable and sustainable heat source can be employed in desalination; the energy cost of desalinated water constitutes over 50% of operating costs. The heat removal process from the solar pond is investigated, and coupling the proposed solar pond with a Multi-Effect Evaporator (MEE) is described; the effects of various factors on the SGSP-MEE coupling are studied.
Author:
Publisher:
ISBN:
Category : Fuel
Languages : en
Pages : 378
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