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We present a thermodynamic approach to simulation and modeling of nonlinear energy converters, in particular radiation engines. Novel results are obtained especially for dynamical engines when the temperature of the propelling medium decreases in time due to a continual decrease of the medium's...
Persistent link: https://www.econbiz.de/10010808290
This study was conducted to analyze the status of energy use for heating in rural areas and the energy demands required by rural households to maintain temperatures suitable for the residents to live comfortably. In addition, suggestions to improve the thermal comfort of such families are put...
Persistent link: https://www.econbiz.de/10010809334
In this paper, an in-cylinder waste heat recovery system especially for turbocharged engines is proposed to improve the thermal efficiencies of internal combustion engines. Simplified recovery processes can be described as follows: superheated steam generated by engine waste heat is injected...
Persistent link: https://www.econbiz.de/10010809369
Recent study of the history of technological change has provided better understanding of the driving forces for technological innovation, as well as quantitative estimates of historical rates of technical change. Although such results are widely used in long-term energy models to estimate future...
Persistent link: https://www.econbiz.de/10010809541
In the present study, an analytical and RSM (response surface methodology) combined approach has been applied to investigate the thermal and thermohydraulic performances of a novel type double pass packed bed solar air heater under external recycle with wire mesh screen as a packed bed material....
Persistent link: https://www.econbiz.de/10010809784
Regenerative Brayton and inverse Brayton cycle may particularly increase thermal efficiency compared to the corresponding non-regenerative one, while decreases the net output power. In this study, regenerative Brayton and inverse Brayton cycle has been modified by partially bypassing the airflow...
Persistent link: https://www.econbiz.de/10010810156
In this paper, a performance analysis based on the power output, thermal efficiency, maximum power output (MP) and maximum thermal efficiency (MEF) criteria have been carried out for an air-standard irreversible Dual–Miller cycle (DMC) with late inlet valve closing (LIVC) version which covers...
Persistent link: https://www.econbiz.de/10010810886
Cooker-top burners are used extensively in Thailand because of the rapid combustion and high heating-rates created by an impinging flame, which is characteristic of these types of burners. High thermal efficiency with low level of CO emissions is the most important performance criteria for these...
Persistent link: https://www.econbiz.de/10010811287
The experiments were performed using a modified six-cylinder turbocharged direct injection diesel engine with diesel of different distillation ranges to investigate the effects of (exhaust gas recirculation) EGR on engine performance and emission characteristics of low-temperature combustion...
Persistent link: https://www.econbiz.de/10010811793
Persistent link: https://www.econbiz.de/10005061283