DESIGN AND CONSTRUCTION OF A SOLAR WATER HEATER FOR DOMESTIC USE

DESIGN AND CONSTRUCTION OF A SOLAR WATER HEATER FOR DOMESTIC USE
 
ABSTRACT
Producing a substitute to the use of an electric heater for producing steam, a health and environmentally friendly source of producing steam lead to the design and construction of solar heater for domestic use which can  generate steam of 0.5 kg at about 100oc 30 minutes, using parabolic trough collector. The solar heater consists of two collectors in order to attain this desired temperature. The collector heats the water to a temperature of 100oc in a maximum of 15 minutes.
 
CHAPTER ONE
1.1   INTRODUCTION
Flat plate collectors for solar water heat were population in Florida and southern California in the 1920s. Photo type Israeli solar water heater, the first commercial company to manufacture solar water heater due to abundance of sunlight is it used by 20% of the population by year 1967.
1.2   SOLAR ENERGY
Solar energy is the light which come in form of electromagnetic radiation. Electromagnetic radition is a wave like phenomenon that move energy across distance. Solar energy is the most abundant continuing source of energy available to the human race. Solar energy is not being used as primary sources of fuel energy but a large research and development effort has being underway to develop economical systems to harness solar energy as a major source of energy particularly for the heating and cooling of buildings.
Solar has the following advantage: