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Why you we use log mean temperature difference formula?
The use of the LMTD arises straightforwardly from the analysis of a heat exchanger with constant flow rate and fluid thermal properties. It is a simple method to approximated the temperature diving force in a heat exchanger. The LMTD is a logarithmic average of the temperature difference between the hot and cold streams at each end of the exchanger. The larger the LMTD, the more heat is transferred.
What is a Chemical to thermal electrical current?
Chemical to thermal electrical current refers to the conversion of chemical energy into electrical energy, which is then transformed into thermal energy. This process occurs in systems like batteries and fuel cells, where chemical reactions generate an electric current. When this current flows through a resistive material, it produces heat, demonstrating the interplay between chemical, electrical, and thermal forms of energy.
Thermal conductivity of petrol?
thermal property of petrol
Is plastic a thermal conductor?
No
What is the thermal conductivity of crude oil?
Which crude?
What are the advantages of thermal cracking over catalytic cracking?
Carbonium ion process
What are the advantages of catalytic cracking over thermal cracking?
Carbonium ion process
What are the advantages of catalyst cracking over thermal cracking?
Catalytic cracking offers several advantages over thermal cracking, primarily in terms of efficiency and product quality. It operates at lower temperatures, which reduces energy consumption and minimizes the formation of unwanted by-products like coke. Additionally, catalytic cracking yields a higher proportion of valuable light products, such as gasoline and olefins, while thermal cracking often results in heavier, less desirable fractions. The presence of catalysts also allows for more selective reactions, enhancing overall process control and product specificity.
What is thermal tension?
Thermal tension occurs when there is a difference in temperature between two adjacent materials or components, causing them to expand or contract at different rates. This difference in expansion and contraction can lead to stress and potential damage within the materials. Managing thermal tension is important in engineering to prevent issues like warping or cracking.
What conditions does cracking have to be carried out in?
Cracking must be conducted under specific conditions, typically high temperatures (around 450-750°C) and moderate to high pressures, depending on the type of cracking process used (thermal or catalytic). The presence of a catalyst can enhance the reaction rate and yield of desired products, particularly in catalytic cracking. Additionally, the feedstock composition and the desired end products also influence the conditions required for efficient cracking. Safety measures are crucial due to the flammable nature of the hydrocarbons involved.
What is the difference between thermal and radioactive radiation?
There is no difference
What is the process in which large hydrocarbons are converted into smaller hydrocrabons which provide fuel?
The process is called cracking, where high-molecular-weight hydrocarbons are broken down into smaller molecules. This can be done through thermal cracking (heating the hydrocarbons at high temperatures) or catalytic cracking (using a catalyst to speed up the reaction). The smaller hydrocarbons produced, such as gasoline and diesel, are important components of fuels.
What is the extraction of oil cracking?
Oil cracking is a process used to break down complex hydrocarbons in crude oil into simpler molecules like gasoline and diesel. The extraction of oil cracking involves heating the oil at high temperatures and breaking the larger molecules into smaller ones through thermal or catalytic methods, resulting in a higher yield of useful products.
What is the difference between Thermal plastic rubber and Thermoplastic rubber?
what is the difference between the strenght of thermoplastic rubber and latex
Is there a difference between heat energy and thermal energy?
No, the same
What is the difference between thermal pollution and radioactive waste?
Biusoee
How does thermal cracking affect the durability of shingles?
Thermal cracking can weaken shingles by causing them to become brittle and more prone to breaking or cracking. This can reduce the durability of the shingles and make them more susceptible to damage from weather and other external factors.
