(1972) Bond energy/group contribution methods of calculating the standard heat of formation: Development of a new generalized bond-energy scheme for monomers and polymers. Part III. Alicyclic hydrocarbons. Journal of Macromolecular Science, Part A: Pure and Applied Chemistry 6: 595–629. :...
A Critical Evaluation of Bond Energy/ Group Contribution Methods of Calculating the Heat of Formation: Development of a New Generalized Scheme. Part I. AlkanesResults of application of seven well-known bond energy/group contribution methods to the experimental data on heats of formation of 70 ...
The dynamic temperature response characteristics related to the heat transfer and storage parameters of the drill pipe, mud and bit are integrated into a mathematical borehole model incorporating the thermal resistance, heat capacity, and heat generation of the mud and drill pipe and the drill bit....
For each species the integration constant for H(sup 0)(T) includes the heat of formation. Transport properties have a different functional form. The temperature range for most of the data is 300 to 5000 K, although some of the newer thermodynamic data have a range of 200 to 6000 K. ...
-241.8kJ/mol is the enthalpy of formation for gaseous water at 298K. You compute here the lower calorific power of the fuel. Condensed water releases more heat, which defines the higher calorific power. And at a different temperature, the result would differ too.Syntin is a rocket fuel, ...
Hess's Law, also known as "Hess's Law of Constant Heat Summation," states that the total enthalpy of a chemical reaction is the sum of the enthalpy changes for the steps of the reaction. Therefore, you can find enthalpy change by breaking a reaction into component steps that have known ...
Formation method of the nitriding silicon whisker and production method null of the non oxide high heat-resistant ceramic mixture which is strengthened wit... PROBLEM TO BE SOLVED: To form silicon nitride whiskers while effectively utilizing a domestic ore and to produce a ceramic composite reinforce...
C312 THE RESEARCH OF CALCULATING METHOD OF HEAT ECONOMY OF AUXILIARY SYSTEM FOR THE COAL-FIRED POWER UNIT Auxiliary system is important part in thermodynamic system of coal-fired power plant. Based on the research on the characteristics of auxiliary system, and... Chen,hai,ping,... - 《Procee...
(T0^5-T0n^5)) þ Comp.HeatOfFormation.Get- Value ("kJ/kgmole")) Sid ¼ Sid þ MolFracPhase(var)*(Comp.MolecularWeight- Value*(IdH Coeff(1)*Log(T0) þ 2*IdHCoeff(2)*T0þ 1.5*IdHCoeff(3)*T0^2 þ 4/3*IdHCoeff(4)*T0^3 þ 5/4*IdH- Coeff(5)* T0^4 þ ...
Kinetics of carbide formation for quenching and tempering steels during high-frequency induction heat treatment The amount, size, and spheroidization of carbides precipitated during quenching and tempering of steels were analyzed as a function of the tempering temper... BL Jin,N Kang,TP Ji,... -...