Theorotical value can be calculated using the results of ultimate analysis of coal . Based on the GCV of combustible value of coal.
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∙ 14y agoTo determine the calorific value of a fuel using Dulong's formula, you would first measure the mass of the fuel and then burn it completely in a calorimeter, which measures the heat released during combustion. From the heat released, the calorific value can be calculated using Dulong's formula, which takes into account the carbon, hydrogen, and sulfur content of the fuel. This formula is Calorific Value (CV) = 337(Carbon%) + 1442(Hydrogen%) + 93(Sulfur%) – 87(Ash%).
Nitrogen is not included in Dulong's formula for calculating the specific heat capacity of solids because nitrogen is a diatomic gas at room temperature and does not typically contribute significantly to the specific heat capacity of solids. Dulong's formula focuses on elements in their solid form where nitrogen is a gas.
GVC stands for gross caloric value. Gross calorific value may be converted to net calorific value by using the following equation, Net calorific value = Gross calorific value - (10.02 x Percent Moisture)
The calorific value of a fuel is a measure of the amount of heat energy released when it is burned. The calorific value of solid, liquid, and gas fuels can be determined using calorimetry, where the fuel is burned in a controlled environment and the heat released is measured. This heat measurement can then be used to calculate the calorific value of the fuel.
You can convert gross calorific value (GCV) to net calorific value (NCV) by subtracting the latent heat of vaporization of water formed during combustion from GCV. The equation for this is NCV = GCV - 2.5 x (9 x % H2 - % O2), where % H2 is the percentage of hydrogen in the fuel and % O2 is the percentage of oxygen in the fuel.
The empirical formula is the formula in its most simplified terms. The molecular formula is how many moles there actually are (the empirical formulat multiplied by a factor).
You can determine mass using momentum and velocity by using the formula: momentum = mass x velocity. Rearrange the formula to solve for mass as mass = momentum/velocity. Plug in the values for momentum and velocity to calculate the mass.
x = [ -b ± √(b2-4ac) ] / 2a Using this formula you get 2 roots for + and -
Net calorific value (NCV) can be calculated from gross calorific value (GCV) of coal using the formula: NCV = GCV - (0.09 * moisture content) for lignite and sub-bituminous coals, or NCV = GCV - (0.07 * moisture content) for bituminous and anthracite coals. The moisture content is usually provided on the coal analysis sheet.
Different fuels have varying calorific values, which represent the amount of energy they can produce when burned. Fuels with higher calorific values can generate more energy per unit mass compared to fuels with lower values. This can impact efficiency, environmental impact, and cost of energy production using these fuels.
The ratio of different elements present in a compound can be determined using the subscripts or coefficients in a chemical formula. These coefficients represent the relative number of each type of atom in the compound.
To determine the number of pairs for 6 nodes using a formula, you can use combination formula. In this case, the formula would be nC2, where n represents the number of nodes. Substituting n=6, the formula becomes 6C2, which is equal to 15. Therefore, there would be 15 pairs of nodes for 6 total nodes.