Engineering Solutions
Introduction ( history) of solar panels: Alexandre Edmond Becquerel is considered to be the father of solar panels, having discovered how electricity is made from sunlight in 1839. His research created a way to build solar plants that heated water to make steam for electric machines during the Industrial Revolution Becquerel’s discovery showed that light…
An overview: The refrigeration cycle is a simple yet incredibly smart and useful process. In its simplest form, the refrigeration cycle consists of just 4 introductory factors to complete the circuit A compressor. A condenser. An expansion device. An evaporator. That is it. Well, that is it, we also need a coolant to circulate…
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Introduction to vapor compression refrigeration: The compression refrigeration cycle consists of circulating a liquid refrigerant through four stages of an unrestricted system. As the refrigerant circulates through the system, it alternatively compresses and expands, changing its state from liquid to vapor. As the refrigerant changes state, the system absorbs and expels heat, reducing the temperature…
Introduction to Ultrasonic Machining: Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through low-amplitude, high-frequency vibrations of a tool against the material surface in the presence of fine abrasive particles. Ultrasonic vibration machining physically operates through the mechanism of microchip or erosion on the surface of the…
The Law of Conservation of Energy: Everything You Need to Know About the First Law of Thermodynamics The law of conservation of energy states that energy can neither be created nor destroyed. Rather, it can only change forms or be transferred from one object to another. It is also known as the first law of…
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LIMITATIONS OF THE FIRST LAW OF THERMODYNAMICS The first law of thermodynamics based on the law of conservation of energy has proven to be a powerful tool for thermodynamic analysis. But over the time that it has been applied to some real systems, it has been observed that, theoretically, the first law holds for processes…
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