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ANIL KUMAR Numerical Investigation of Roughened Solar Air Heater

The ever increasing demand of useful energy and depletion of conventional energy resources give rise to highly energy efficient and compact thermal systems. Solar energy is the foremost source of unconventional energy which has adequate potential to fulfill all energy needs of the modern world.decades, more attention is being focused towards performance up gradation of energy exchange devices utilized in solar energy collection and storage systems. Flat plate solar collector is undeniably one of the simplest and inexpensive types of heat exchanger widely used for air heating applications. Solar air heater utilizes solar insolation to heat up the absorber plate which transfers heat to the air flowing through the system mainly by convection. The low heat transfer coefficient between heated surface and air impedes the heat transfer to the flowing air, thereby, adversely affecting thermal performance of the system.Application of artificial roughness on underside of absorber surface has been found to be effective technique to improve thermo hydraulic performance of solar air heaters.

4358 RUR



OUTAD Mini Handheld Air Conditioning Humidification Cooling Fan USB Cooler Rechargeable Desk

LED Solar Lamp USB Rechargeable Bulb 15W Light Outdoor Lighting Emergency Lampada Power Energy saving

Hitesh Panchal Investigation on Performance Analysis of Double Pass Solar Air Heater

Solar air heating is a solar thermal technology in which the energy from the sun, solar insolation, is captured by an absorbing medium and used to heat air.Solar air heating is a renewable energy heating technology used to heat or condition air for buildings or process heat applications. It is typically the most cost-effective out of all the solar technologies, especially in commercial and industrial applications, and it addresses the largest usage of building energy in heating climates, which is space heating and industrial process heating. People from all around the world working on double pass solar air heater due to its higher efficiency. In this research work, comparison is made between modified design of double pass solar air heater with conventional solar air heater with different mass flow rate and air velocity in identical climate conditions. From the research it is found that, modified design of solar air heater is quite efficient compared with conventional double pass solar air heater.

4419 RUR



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15W LED Solar Lamps USB 5V Outdoor Lighting Emergency Garden Light Led Lamp Rechargeable Bulb Power Energy Saving

CanLing Natural White 15W 250LM USB LED Solar Lamp No Flicker Energy Saving Bulb 5V-8V Emergency Portable Lights

LED Solar Lamp Outdoor Lighting Emergency USB Rechargeable Light Bulbs 5V~8V 15W Power Energy Saving Bulb

Rechargeable Outdoor LED Solar Light USB DC 5-8V Powered Energy Lamp 15W 250LM Panel Bulb Waterproof Camping Lampada

USB Rechargeable Solar Bulb 15W Led Powered Energy Lamp 250LM Portable Panel LED Light for Camping Outdoor Lighting

LED Solar Light 15W Outdoor Portable Lamp 250LM USB 5V-8V Powered Energy Bulb With Aluminum Plate Camping Tent

CanLing LED Solar Light 15W Energy Saving Led Lamp 250LM No Flicker USB 5V-8V lampara led Bulb For Camping Emergency

LED Solar Lamp USB Rechargeable Light 15W 250LM No Flicker Portable Bulb for Outdoor Camping Tent Energy

Portable LED Solar Light 15W USB Rechargeable Lampada Energy Lamp 5V-8V Bulb For Outdoor Camping Emergency

15W Solar Lamp LED Power Light 250LM Energy USB 5V~8V Portable Bulb For Outdoor Travel Fishing Camping Tent

15W 250LM Solar Power Light Led Lamp Outdoor USB Rechargeable Portable Bulb 5V Energy Saving LED Lighting

LED Solar Light Portable Bulb 15W Lampada Energy Lamp USB Rechargeable Power Tent Camping Lights 5V-8V

Outdoor LED Solar Light 15W Lampada Led Bulb 5-8V USB Rechargeable Energy Lamp 250LM Camping Tent Emergency Lighting

Portable Solar Light 15W 250LM Powered Energy Lamp USB 5V-8V LED Bulb For Outdoors Camping Tent Emergency

LED Solar Lamp Outdoor Lighting Emergency Light Bulbs 5V~8V USB Rechargeable 15W Power Energy saving Bulb

Solar Energy Board Kit 12v 100w Charger Battery Controller Regulator 12v/24v 10A Dual USB LCD Lamp

Handheld Digital Anemometer USB Multifunction Air Velocity/Temperature/Relative Humidity/Air Flow Thermal

ASKMEER Portable Mini USB Fan Handheld Rechargeable Air Cooler Conditioning Desktop Cooling

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Newest USB Portable Mini Handheld Air Conditioning Humidification Cooling Fan Cooler Rechargeable Desk

2PCS Outdoor Solar LED Light Camping Portable Bulb 15W Garden Energy Emergency Lamp USB Rechargeable 6V

LED Portable Outdoor Lighting Solar Light 5V-8V Lampada Power Energy Saving Camping Lamp 15W USB Rechargeable Bulb

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WENNI LED Solar Light Outdoor Camping Bulb Garden Night Energy Lamp 15W Portable USB Emergency 5V