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Keywords: optimization
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2024, 16(9): 091002.
Paper No: TSEA-24-1022
Published Online: June 6, 2024
... between 26% and 29% when the cylinder is positioned horizontally differently. By using optimization, the cooling performance increase with rotating cylinders at Re = 200, which is determined to be 73.6% more than that of the case without cylinders. Optimization results in an extra 11.2% increase...
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2023, 15(3): 031015.
Paper No: TSEA-22-1407
Published Online: January 23, 2023
... by using the secondary heat dissipation model, and an optimized and improved scheme was proposed to introduce a deflector cone structure to eliminate heat reflow. The research results showed that the secondary heat dissipation model could more accurately describe the heat reflow problem of the engine...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2023, 15(2): 021006.
Paper No: TSEA-22-1229
Published Online: November 8, 2022
... to 0.736. bank-type earth air heat exchanger dry bulb temperature factor interaction full factorial design optimization wet bulb temperature energy efficiency energy systems experimental/measurement techniques heat and mass transfer heat exchangers heat transfer enhancement An earth...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2022, 14(8): 081017.
Paper No: TSEA-21-1124
Published Online: May 12, 2022
... are optimized with the specific power consumption (SPC) as the objective function. The results show that the SPC of three cases are 0.8021 kWh/kg (LNG), 0.4150 kWh/kg (LNG), and 0.5063 kWh/kg (LNG); the coefficient of performance (COP) of cases 1, 2, and 3 are 0.20, 0.39, and 0.30; the exergy efficiency...
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2021, 13(5): 051013.
Paper No: TSEA-20-1541
Published Online: March 10, 2021
... capacitance state-space thermal management Omnimagnet optimization An Omnimagnet [ 1 ] is a relatively new electromagnetic device that enables remote magnetic manipulation [ 2 ] of devices such as medical implants and microrobots. We are particularly interested in its use for robotically assisted...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031024.
Paper No: TSEA-19-1534
Published Online: February 28, 2020
... performances at higher condenser temperature. Multi-objective optimization has also been carried out using the toolbox available for optimization in matlab to obtain the optimum performance and optimum operating conditions for both the refrigerants. Optimization results also show better thermo-economic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2020, 12(5): 051009.
Paper No: TSEA-19-1389
Published Online: February 26, 2020
.... electricity. The present effort investigates the effects of various data center parameters on a new set of metrics called the performance indicator to help assess and optimize the cooling performance of data centers. The three metrics in the performance indicator include power usage effectiveness ratio (PUEr...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2020, 12(1): 011005.
Paper No: TSEA-18-1485
Published Online: September 19, 2019
... problem. Similarly, an inverse solution may be needed to complete a given physical problem by determining the unknown boundary conditions. Solutions thus obtained are not unique and optimization is generally needed to obtain results within a small region of uncertainty. This review paper discusses several...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2020, 12(2): 021014.
Paper No: TSEA-18-1500
Published Online: September 4, 2019
... with the experimental data from a new prototype. The key objective of this research was to establish a validated framework for model-based design optimization of climatic chambers. The proposed model showed good agreement with the experimental data with a difference of 0.6 m/s and 9.65 °C in the velocity...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2013, 5(4): 041008.
Paper No: TSEA-12-1119
Published Online: October 3, 2013
... ( 1 / h ) × 10 ) ) × 7 × 1000 where h  = heat transfer coefficient defined as q ″/( T avg  −  T in ). The optimized case of n  = 7, A c / A p  = 0.69, and Re = 100 is compared against the reference case in terms of the objective functions used for optimization in Table...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2013, 5(4): 041002.
Paper No: TSEA-12-1084
Published Online: September 27, 2013
... The effects of process volume airflow rate, regeneration temperature, flow rate, and wheel speed (four parameters) have been discussed separately. The results show that changes of each parameter have significant effects on performance coefficients of wheel and adsorption specific energy. In the optimization...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2013, 5(1): 011011.
Paper No: TSEA-12-1125
Published Online: March 18, 2013
...Gongnan Xie; Wang Qi; Weihong Zhang; Bengt Sunden; Giulio Lorenzini Figure 9 presents the optimization process of the design variables, constraint value and objective function of case 2. After ten iterations the objective function value is close to the optimal value. The radiation equilibrium...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2010, 2(2): 021005.
Published Online: October 21, 2010
... discussion, and proposes a strategy to find the optimal temperature, which can be implemented in a real-time application. Simulations have been conducted to verify that a significant energy savings can be achieved over conventional practice. 29 04 2010 20 09 2010 21 10 2010 21 10 2010...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2010, 2(2): 021003.
Published Online: October 21, 2010
... of temperatures of the evaporator and condenser, the equation related to Rankine cycle net power output is then achieved. Furthermore, by using theoretical optimization method, the results of the maximum net power output of a Rankine cycle in LTEC are also reported. This study extends the recent flurry...