Webb1 jan. 2000 · Stoichiometry of the steam reforming of methane (CH 4 +H 2 O=CO+3H 2) was studied using a steam generator, which can keep the steam content in the … Webb• Intake air not throttled – Load controlled by the amount of fuel injected >A/F ratio: idle ~ 80 >Full load ~19 (less than overall stoichiometric) • No “end-gas”; avoid the knock problem – High compression ratio: better efficiency • Combustion: – Turbulent diffusion flame – Overall lean
Steam Inlet Pressure - an overview ScienceDirect Topics
WebbThe gas turbine exhaust is the input to the lower engine (a steam turbine). The steam turbine exhausts heat to a circulating water system that cools the steam condenser. Sign in to download full-size image Fig. 3.25. Schematic of combined-cycle (CCGT) plant. An approximate combined-cycle efficiency (η CC) is given as (3.5) WebbThus, exergetic–environmental efficiency is expressed as the ratio between actual values per MWh to the stoichiometric values of CO2, and can be written as: 𝜑𝑎𝑐 𝜉𝐶𝑜2 = (11) 𝜑𝑠𝑡 The stoichiometric value, φst, of CO2 can be calculated using molar analysis, whereas the actual value is obtained from the HEPHAESTUS generic combustor model. senwick house residential home
Methanol and dimethyl ether steam reforming: a thermodynamic …
Webb14 nov. 2024 · This paper demonstrated numerical studies on the methane-ethane-steam reforming process based on equilibrium and kinetic models of the reactions. Proposed … Webb14 maj 2012 · Turbine steam inlet temperature is another major parameter affecting turbine performance. Reducing steam inlet temperature reduces the enthalpy, which is … Webb5 juli 2024 · For the requirements of rigorous CO2 and emissions regulations, steam assist technology is an effective method for thermal efficiency enhancement. However, few studies apply steam assist technology in modern internal combustion engines. Stimulated by its application prospects, the present study proposes a thermodynamic analysis on … sen william smith