Solar thermal energy is one of the most promising renewable energy resources. The solar thermal technologies convert solar radiation into heat that can be directly utilized for various applications .
Solar thermal water heating system is a device that helps in heating water by using the energy from the SUN. This energy is totally free. Water is easily heated to a temperature of 60-80° C.
Solar thermal energy can be collected and stored for later use, water remains cheapest heat storage media with higher storage capacity within the stipulated temperature range upto 80°C.
On an Average earth receive 5 to 6 Kwh/m2
Compound Parabolic Concentrator
The compound parabolic reflector is constructed by using segments of two parabolas. These parabolas are arranged in such a way that the focus ……
The parabolic reflector is constructed as per the geometric design. The focus of the parabola is always a straight line. Because of the Specific shape of …..
Water upto 90°C can be obtained using these concentrators.
The unique shape of the 2 parabola profiles, acting as reflectors, helps to capture maximum rays.
These are basically non-tracking concentrators and can be mounted on slating roofs, terraces or on ground.
If they are built to track, the efficiency increases by 30-40% upon tracking.
Under special design conditions a low pressure steam can be generated.
Parabolic Trough Concentrator
Heat transfer Fluid upto 150°C can be obtained using PTC.
The sunrays falling on the parabola (reflector) are reflected onto the receiver tube.
The fluid flowing through the receiver tube gets heated due to the solar heat.
This is a tracking collector. As the sun travels across the horizon, the parabola rotates, such that it always faces the sun.
This ensures maximum energy capture.
Solar Concentrators
Compound Parabolic Concentrator
Water upto 90°C can be obtained using these concentrators.
The unique shape of the 2 parabola profiles, acting as reflectors, helps to capture maximum rays.
These are basically non-tracking concentrators and can be mounted on slating roofs, terraces or on ground.
If they are built to track, the efficiency increases by 30-40% upon tracking.
Under special design conditions a low pressure steam can be generated.
Parabolic Trough Concentrator
Heat transfer Fluid upto 150°C can be obtained using PTC.
The sunrays falling on the parabola (reflector) are reflected onto the receiver tube.
The fluid flowing through the receiver tube gets heated due to the solar heat.
This is a tracking collector. As the sun travels across the horizon, the parabola rotates, such that it always faces the sun.
This ensures maximum energy capture.
Advantages
Solar Heaters help utilizing free natural resource such as sun light and thus helps in saving Fuel/electricity costs.
It requires basic fittings and a onetime investment and after that its free for up-to 20 years.
It is a renewable and clean energy source so it reduces over carbon foot print.
ROI in 5 years
Accelerated Depreciation Benefit.
Limitation
Huge Initial Capital Expenditure.
Require huge installation area.
Working of solar heaters depends up on abundance and availability of direct sun light.
It heats only in day time, however if the storage tank is well insulated, heated water can be stored and used even at night.
It will not be very helpful in rainy season or foggy days.
Advantages
Solar Heaters help utilizing free natural resource such as sun light and thus helps in saving Fuel/electricity costs.
It requires basic fittings and a onetime investment and after that its free for up-to 20 years.
It is a renewable and clean energy source so it reduces over carbon foot print.
ROI in 5 years
Accelerated Depreciation Benefit.
Limitation
Huge Initial Capital Expenditure.
Require huge installation area.
Working of solar heaters depends up on abundance and availability of direct sun light.
It heats only in day time, however if the storage tank is well insulated, heated water can be stored and used even at night.
It will not be very helpful in rainy season or foggy days.
Heatray Solar Pvt Ltd is an MNRE approved company specializing in providing solar/ Clean thermal solutions for industrial and domestic heating requirements.