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Where is it useful for gases to be compressed?
Refrigerators, combustion engines, air cannons, SCUBA and submarines.
What is the key difference between the piston action of an internal combustion engine and that of a compressed-air engine?
The internal combustion engine uses a fuel i.e petrol or diesel to cause compression when ignited ,when the fuel burns it causes compression of the piston. A compressed air engines power comes from an electric motor which forces the piston up and down to produce compressed air.
What is an internal-combustion engine?
An internal combustion engine is an engine that uses air, fuel, and spark to create the power to move. A perfect air-fuel mixture is pulled into the cumbustion chamber, its compressed by the piston, and once its compressed the spark plug ignites the air-fuel mixture and the process is completed.
Which of the following takes place in the combustion chamber of a gas turbine engine a fuel oil is stored with sufficient pressure b fuel oil is mixed with a proper portion of compressed air?
The second option is correct. In a gas turbine engine, combustion takes place in the combustion chamber where fuel oil is mixed with a proper portion of compressed air. This mixture is then ignited, leading to combustion and the generation of high-temperature, high-pressure gases that drive the turbine.
What is the difference between combustion and detonation as in a internal combustion?
When the engine detonates its referring to the engine giving spark to the compressed air/fuel in the cylinder, when theres combustion its simply the explosion that happens after ignition.
Can natural gas pollute the air?
Yes, natural gas can pollute the air, primarily through methane emissions during extraction, transportation, and consumption processes. While it burns cleaner than other fossil fuels, producing lower amounts of carbon dioxide and particulate matter, methane itself is a potent greenhouse gas with significant short-term climate impacts. Additionally, the combustion of natural gas can release nitrogen oxides and volatile organic compounds, contributing to air pollution and smog formation. Thus, while it is a cleaner alternative to coal and oil, natural gas is not entirely free from air pollution concerns.
How does diesel charge air cooler work?
A diesel charge air cooler (CAC) functions by cooling the compressed air from the turbocharger before it enters the engine's combustion chamber. As air is compressed, its temperature rises, which can reduce engine efficiency and increase the risk of knocking. The CAC uses ambient air or coolant to absorb heat from the compressed air, lowering its temperature and increasing its density, thereby enhancing the engine's performance and fuel efficiency. This process ultimately helps in achieving better combustion and reducing emissions.
What is compressed energy?
Compressed energy refers to energy that is stored in a compressed form, such as in compressed air tanks or compressed natural gas tanks. This energy can be released and harnessed for various purposes, such as powering vehicles or machinery.
Why is hydrogen a cleaner fuel than compressed natural gas?
Hydrogen is cleaner because when it is used to produce energy in a fuel cell or combustion engine, the only byproduct is water vapor. Compressed natural gas, on the other hand, still produces carbon dioxide and other pollutants when burned, contributing to air pollution and greenhouse gas emissions.
Why is it bad to pollute the air?
WE BREATHE the air. If we pollute it, we need air, so we breathe it in and get sick.
Why steam engines have high starting torque?
in steam engines, the steam has to be compressed, which needs less torque than the internal combustion engine, where fuel air mixture is compressed Hence, the case!
What is sucked into the front compressor in a jet engine?
Air. Air and heat are the basis of the jet. The reason for this is that in the combustion chamber compressed air is ignited. The air flow pushes this reaction out the back of the engine and this= thrust.
