-
701
Integrity of Newton’s cooling law based on thermal convection theory of heat transfer and entropy transfer
Published 2022-09-01“…By recasting a control volume system into an equivalent control mass system and employing the first and second laws of thermodynamics, the fundamental advective heat transfer mode characterized by temperature differences and entropy changes is demonstrated. …”
Get full text
Article -
702
Thermo-Economic Performance Analysis of a Novel Organic Flash Rankine Cycle Using R600/R245fa Mixtures
Published 2022-10-01“…Using the R600/R245fa mixture as the circulating working fluid and 200 °C geothermal water as the heat source, the effects of the change in working fluid composition on the thermal properties of the OFRC were studied based on the first and second laws of thermodynamics. Then, the economic performance of the proposed OFRC was investigated and then compared with that of the conventional OFC. …”
Get full text
Article -
703
Thermodynamic Evaluation of the Forced Convective Hybrid-Solar Dryer during Drying Process of Rosemary (<i>Rosmarinus officinalis</i> L.) Leaves
Published 2021-09-01“…Energy and exergy were calculated by application of the first and second laws of thermodynamics. Based on the principal laws, energy efficiency, exergy losses, and exergetic improvement potential rate, were evaluated. …”
Get full text
Article -
704
Thermodynamic performance assessment and application feasibility analysis of small heat pump water heater using CO2/R41 azeotropy mixture as refrigerant for sustainable development
Published 2023-06-01“…On the basis of the first and second laws of thermodynamics, a model is proposed to evaluate the performance of CO2/R41 single-stage transcritical cycle (CO2/R41 cycle) in which a throttling valve is integrated and CO2/R41 azeotropy refrigerant is adopted. …”
Get full text
Article -
705
Specific heat capacity of filter medium as a parameter of water creeping filtration
Published 2019-05-01“…In 1991 the author used the first and the second laws of thermodynamics to specify the boundaries of Pervomayskoye oilfield and derived the formula to calculate the specific heat capacity of environment by water parameters. …”
Get full text
Article -
706
Energetic and exergetic analysis of a convective drier: A case study of potato drying process
Published 2020-10-01“…The calculations for energy and exergy were based on the first and second laws of thermodynamics. Results indicated that EU, EUR and exergy losses decreased along drying time, while exergy efficiency increased. …”
Get full text
Article -
707
Determining the effect of tung biodiesel on thermodynamic, thermoeconomic, and exergoeconomic analyses at high engine speeds
Published 2024-02-01“…In the current study, the effect of the addition of 20%, by volume, of tung biodiesel to diesel fuel was evaluated in terms of energetic–exergetic analyses based on the first and second laws of thermodynamic at various high engine speeds (2,400, 2,600, and 2,800 rpm). …”
Get full text
Article -
708
Nonequilibrium thermodynamics of turbulence and stochastic fluid systems
Published 2020-01-01“…In addition to the energy and entropy balance equations that represent the first and second laws of thermodynamics, a new thermodynamic equation is found to be crucial for relating the first law with the second law and connecting violation of detailed balance to entropy flow and entropy production at the steady state. …”
Get full text
Article -
709
Comparison of the use of different nanofluids for heat transfer from the outer surface of spiral tubes: Energy, exergy, and exergoeconomic (3E) analysis
Published 2023-12-01“…In the present investigation, a numerical study has been carried out to investigate the effect of different nanofluids on heat transfer from outer surface of a spiral coil based on the first and second laws of thermodynamics. The numerical solutions are checked against previous experimental and numerical research in the field. …”
Get full text
Article -
710
Specific heat capacity of filter medium as a parameter of water creeping filtration
Published 2019-05-01“…In 1991 the author used the first and the second laws of thermodynamics to specify the boundaries of Pervomayskoye oilfield and derived the formula to calculate the specific heat capacity of environment by water parameters. …”
Get full text
Article -
711
Novel analysis of second law and irreversibility for a solar power plant using heliostat field and molten salt
Published 2020-11-01“…In order to overcome these kinds of issues, in this study, the performance of a solar tower coupled with a Rankine cycle is scrutinized using the first and second laws of thermodynamic. Moreover, a numerical code has been developed in the GNU Octave software environment to calculate the precise value for both energy and exergy losses of each component. …”
Get full text
Article -
712
Energy, exergy, and exergoeconomic analysis of power generation cycle based on independent geothermal and solar energy
Published 2022-11-01“…The governing equations of mass balance and first and second laws of thermodynamics were applied to each cycle component. …”
Get full text
Article -
713
Performance analysis of an efficient waste heat utilization system in an ultra-supercritical coal-fired power plant
Published 2022-11-01“…An ultra-supercritical coal-fired power plant thermodynamic system was reconstructed based on the first and second laws of thermodynamics to improve the efficiency of power plants, and an efficient condensate water preheating air integrated bypass flue waste heating efficient utilization system is thus herein proposed. …”
Get full text
Article -
714
Thermodynamic analysis of forced convective solar drying of cocoa with black coated sensible thermal storage material
Published 2021-08-01“…As a steady flow thermodynamic system, the analysis was carried out based on the first and second laws of thermodynamics to account for the energy involved in the solar drying of cocoa beans. …”
Get full text
Article -
715
Thermodynamics of <i>f</i>(<i>R</i>) Gravity with Disformal Transformation
Published 2019-02-01“…We verify the generalized first and second laws of thermodynamics in this disformal type of <inline-formula> <math display="inline"> <semantics> <mrow> <mi>f</mi> <mo stretchy="false">(</mo> <mi>R</mi> <mo stretchy="false">)</mo> </mrow> </semantics> </math> </inline-formula> gravity in the Friedmann-Lemaître-Robertson-Walker (FLRW) universe. …”
Get full text
Article -
716
Exergy Analysis of the Steam Generation System to Explore the Potential for Optimizing Energy Consumption
Published 2022-06-01“…Nevertheless, exergy analysis based on both the first and second laws of thermodynamics can overcome shortcomings of energy analysis. …”
Get full text
Article -
717
Thermodynamic Feasibility of the Black Sea CH<sub>4</sub> Hydrate Replacement by CO<sub>2</sub> Hydrate
Published 2023-01-01“…The method consists of four thermodynamic criterions derived from the first and second laws of thermodynamics. An important goal is that utilization of this method can save money in experimental planning by avoiding the design of CO<sub>2</sub> injection mixtures that are not expected to work based on fundamental thermodynamic principles. …”
Get full text
Article -
718
Entropy Generation and Natural Convection Flow of Hybrid Nanofluids in a Partially Divided Wavy Cavity Including Solid Blocks
Published 2020-06-01“…The governing equations toward conservation of mass, momentum, and energy were introduced into the form of partial differential equations. The second law of thermodynamic was written for the friction and thermal entropy productions as a function of velocity and temperatures. …”
Get full text
Article