This is a review of the concepts purpose, direction, and objective in discipline thermodynamics, which pillar physics, natural sciences, life science, engineering science. Reviewed relentless evolution this toward accounting for evolutionary design with establishing concept purpose methodologies modeling, analysis, teaching, optimization. Evolution change after flow access, direction time, purp...

One of the industries with high potential for energy saving is the petrochemical industry. Ethylene and propylene production plants (olefin plants) – as a part of the petrochemical industry – are very energy intensive. So, any try to improve their energy consumption efficiency could lead to a high amount of energy saving. Iran’s petrochemical industry uses old technologies and components and du...

Iran’s vast common natural gas resources and the necessity to extract and export it as Liquefied Natural Gas (LNG) to distances more than 3000Km opens a lucrative field for researchers to optimize LNG cycles. In this article heat integration in cryogenic cycles by determining interacycle partition temperature and optimizing refrigeration features like Subcooler, Presaturator, aftercooler, reboi...

In this paper, an exergoeconomic and exergetic sustainability analysis of a dual-pressure organic Rankine cycle (ORC) vapor compression refrigeration (VCRC) driven by waste heat is performed for power generation cooling production. addition, the most suitable fluid couple among thirty-five different pairs was investigated proposed combined system. The results indicate that highest energy utiliz...

The article deals with the energy and exergy performance analyses of supercritical carbon dioxide recompression Brayton cycle (S-CO2 RBC). This is known to offer maximum efficiency when operating near critical point CO2, which possible in low ambient temperature environment but not warm or hot conditions. CO2-C7H8 binary mixture used improve thermodynamic for warmer percentage C7H8 selected acc...