...Alok Dhaundiyal A nonlinear system identification approach was used to exploit the nonlinearly in the exergy of the system and reduce it into two or more interconnected elements. The Hammerstein–Wiener (H-W) methodology was adopted to describe the dynamics of a passive thermal system using...

...Siraj Sayyed; Randip Kumar Das; Kishor Kulkarni This paper deals with the experimental investigation of direct injection compression ignition (DICI) engine runs with multiple biodiesels–diesel blended and neat diesel fuels along with the energy-exergy analysis to evaluate quantitative...

... conditions. Exergy and economic analyses of commercial PVT systems for three Iranian cities, namely, Tabriz, Shiraz, and Esfahan, were studied by Jahromi et al. [ 29 ]. They used matlab and TRNSYS simulation to perform a thermal and economic analysis to determine exergo-economics for the PVT system...

... pump (heating procedure), and both heating and cooling for both standard and actual conditions. Afterward, the calculation was performed for parameters like energy efficiency ratio (EER), heat rejected ratio (HRR), capacity, energy, exergy, irreversibility, and exergy destruction ratio (EDR) of each...

.... Accordingly, exergy, exergoenvironmental, and exergoeconomic analyses were conducted. The environmental impacts of life cycle assessment (LCA) in exergoenvironmental analysis were apportioned to the exergy streams, pointing out the key factors of the system with the most significant impact on the environment...

...Arvin Sohrabi; Ali Behbahaninia; Saeed Sayadi; Mohsen Banifateme The current paper enhances the methods presented in The American Society of Mechanical Engineers (ASME) Performance Test Code (PTC) 4.1 and 4.4 and proposes an exergy-based loss method (LM) for assessing heat recovery steam generators...

...Nguyen Chi Thanh; Ahmad El Askary; Ashraf Elfasakhany; S. Nithya This article explores the exergy analysis of the diesel engine with the selected Spirulina microalgae bio-oil (SMBO) biodiesel. The adaptability of the biofuels as an efficient replacement to the fossil fuel has to be tested...

..., exergy, and exhaust emissions are parametrically analyzed at 0.85 Ma and altitude of 11 km. Moreover, cruise NOx emission is quantified by Boeing Fuel Flow Method 2 (BFFM2) and DLR methods. As a novelty, specific NOx production (SNP) is first quantified for PW4000 engine. In this study, parametric cycle...

...Bibhuti B. Sahoo; Maryom Dabi; Ujjwal K. Saha Exergy analysis of the reciprocating internal combustion (IC) engines is studied by estimating various input and output energy transfer parameters concerning a dead state reference. Exergy terms such as fuel input, work output, cooling, and exhaust gas...

... unnecessary inefficiencies, high energy consumption can be reduced. This study aims to provide energy and exergy analysis on air compressors for different industries. Detailed case studies were also analyzed. The case study focuses on the energy and exergy analyses of the compressed air system of foundry...

... for this purpose and the performance is compared via melting/solidification times, energy stored, energy/exergy efficiencies. Initially, the performance of unfinned conical shell is compared with the cylindrical shell without fins and then the effect of fin parameters is presented. For melting process conical...

...@kfupm.edu.sa Contributed by the Advanced Energy Systems Division of ASME for publication in the J ournal of E nergy R esources T echnology . 05 04 2021 18 04 2021 18 04 2021 19 05 2021 refrigeration COP energy exergy environment carbon dioxide energy systems...

... echnology . 12 11 2020 07 04 2021 08 04 2021 07 05 2021 new procedure site utility targeting exergy exergoeconomic exergoenvrionmental water cycle algorithm energy systems analysis power (co-) generation renewable energy Performing an appropriate design...

... production and storage energy exergy alternative energy sources energy conversion/systems energy systems analysis hydrogen energy renewable energy 11 10 2020 07 04 2021 08 04 2021 06 05 2021 Contributed by the Advanced Energy Systems Division of ASME for publication...

... pressure ratio, regenerator effectiveness, and pressure ratio across multistage compression in order to simultaneously maximize exergy efficiency, nondimensional power density (NDPD), and ecological coefficient of performance (ECOP) for three different maximum temperature situations, multi-objective...

...Md. Tareq Chowdhury; Esmail M. A. Mokheimer In this study, the performance of parabolic trough collector (PTC) integrated with an organic Rankine cycle (ORC) is investigated to find the optimum operating scenarios and to assess the exergy destruction at different components of the system...

...Mohammadreza Babaei Jamnani; David S-K Ting; Rupp Carriveau; Amin Kardgar In this study, energy, exergy, and environmental (3E) assessments have been conducted on a proposed combined-cycle power plant (CCPP) with three pressure levels of the HRSG and reheating process. 3E design approaches cross...

...Mohsen Banifateme; Ali Behbahaninia; Saeed Sayadi Condensing boilers are used in commercial and residential buildings extensively. In this article, a loss method is proposed to estimate the energy and exergy efficiencies of condensing hot water boilers. The presented method is based...

... with a MHD generator was considered as the upstream cycle, a Brayton cycle was taken as the middle cycle through heating, and an organic Rankine cycle and steam cycle were regarded as the downstream cycles using the heat loss of the MHD generator and gas turbine, respectively. Energy, exergy, exergoeconomic...

... engine loads. Engine performance is analyzed based on energy and exergy analyses, whereas hydrocarbon (HC), carbon monoxide (CO), oxides of nitrogen (NO x ), and smoke emissions are analyzed for emission characterization. The simulation results show that the injection angle and injection pressure...