Heating and cooling device for motorhomes and caravans

Khaled, M. Bani; Qandil, A.; Abdallatif, N.; Beithou, Nabil; Alsaqoor, Sameh; Alahmer, Ali; Aybar, Hikmet Ş.; Andruszkiewicz, A.

doi:10.1016/j.ijft.2022.100193

Cited by 6 publications

(5 citation statements)

References 36 publications

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“…C ann,tot CRF (i,N) (6) where C ann,tot represents the annual cost; i denotes the discount rate, which is also referred to as the interest rate or rate of return; and N represents the number of years for which the annuity is paid. The capital recovery factor (CRF) is a ratio utilized to compute the present value of a sequence of equal annual cash flows.…”

Section: Npc =mentioning

confidence: 99%

“…The construction cost of these extensive T&D networks is eventually passed on to consumers, influencing their final price [5]. Considering the adverse environmental impact of fossil-based power generation methods [6], there is a global transition toward more sustainable alternatives. However, most of these sources are intermittent, with gaps between energy availability and end-user consumption [7].…”

Section: Introductionmentioning

confidence: 99%

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Optimal Design and Sizing of Hybrid Photovoltaic/Fuel Cell Electrical Power System

Ghoniem,

Alahmer,

Rezk

et al. 2023

Sustainability

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Renewable energy solutions play a crucial role in addressing the growing energy demands while mitigating environmental concerns. This study examines the techno-economic viability and sensitivity of utilizing solar photovoltaic/polymer electrolyte membrane (PEM) fuel cells (FCs) to meet specific power demands in NEOM, Saudi Arabia. The novelty of this study lies in its innovative approach to analyzing and optimizing PV/PEMFC systems, aiming to highlight their economic feasibility and promote sustainable development in the region. The analysis focuses on determining the optimal size of the PV/PEMFC system based on two critical criteria: minimum cost of energy (COE) and minimum net present cost (NPC). The study considers PEMFCs with power ratings of 30 kW, 40 kW, and 50 kW, along with four PV panel options: Jinko Solar, Powerwave, Tindo Karra, and Trina Solar. The outcomes show that the 30 kW PEMFC and the 201 kW Trina Solar TSM-430NEG9R.28 are the most favorable choices for the case study. Under these optimal conditions, the study reveals the lowest values for NPC at USD 703,194 and COE at USD 0.498 per kilowatt-hour. The levelized cost of hydrogen falls within the range of USD 15.9 to 23.4 per kilogram. Furthermore, replacing the 30 kW Trina solar panel with a 50 kW Tindo PV module results in a cost reduction of 32%. The findings emphasize the criticality of choosing optimal system configurations to attain favorable economic outcomes, thereby facilitating the adoption and utilization of renewable energy sources in the region. In conclusion, this study stands out for its pioneering and thorough analysis and optimization of PV/PEMFC systems, providing valuable insights for sustainable energy planning in NEOM, Saudi Arabia.

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Section: Npc =mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimal Design and Sizing of Hybrid Photovoltaic/Fuel Cell Electrical Power System

Ghoniem,

Alahmer,

Rezk

et al. 2023

Sustainability

Self Cite

View full text Add to dashboard Cite

show abstract

“…The performance of AAC systems can be affected by factors such as compressor work, power consumption, refrigerant charge, and cooling capacity [6]. Enhancing the functioning of AAC systems is essential to minimize energy consumption and enhance energy efficiency.…”

Section: Introductionmentioning

confidence: 99%

Improving Automotive Air Conditioning System Performance Using Composite Nano-Lubricants and Fuzzy Modeling Optimization

Alahmer

Ghoniem

2023

Sustainability

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This study aims to enhance the effectiveness of automobile air conditioning (AAC) systems through the use of composite nano-lubricants and fuzzy modeling optimization techniques. Composite nano-lubricants, which consist of varied metal oxide ingredients and content ratios, are projected to surpass single-component nano-lubricants in terms of improving the performance of AAC systems. Fuzzy modeling is used to simulate the AAC system based on experimental data using three input parameters: volume concentration of nano-lubricants (%), the refrigerant charge (g), and compressor speed (rpm). The output performance of the AAC system is measured using four parameters: cooling capacity (CC) in kW, compressor work (CW) in kJ/kg, coefficient of performance (COP), and power consumption (PC) in kW. Optimization is performed using the marine predators algorithm (MPA) to identify the best values for the input control parameters. The objective function is to minimize CW, COP, and PC while simultaneously maximizing CC and COP. Results showed that the performance of the AAC system improved from 85% to 88% compared to the experimental dataset, highlighting the potential benefits of using composite nano-lubricants and fuzzy modeling optimization for improving the energy efficiency of AAC systems. Furthermore, a comprehensive comparison with ANOVA was performed to demonstrate the superiority of the fuzzy modeling approach. The results indicate that the fuzzy model outperforms ANOVA, as evidenced by a reduced root mean square error (RMSE) for all data, from 0.412 using ANOVA to 0.0572 using fuzzy. Additionally, the coefficient of determination for training increased from 0.9207 with ANOVA to 1.0 with fuzzy, further substantiating the success of the fuzzy modeling phase.

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“…Jordan imports 97% of its total energy. However, Jordan has a solar potential of more than 320 sunny days per year in most regions [1,2].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of solar distiller performance by photovoltaic heating system

Badran

Alahmer

Hamad

et al. 2023

International Journal of Thermofluids

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Heating and cooling device for motorhomes and caravans

Cited by 6 publications

References 36 publications

Optimal Design and Sizing of Hybrid Photovoltaic/Fuel Cell Electrical Power System

Optimal Design and Sizing of Hybrid Photovoltaic/Fuel Cell Electrical Power System

Improving Automotive Air Conditioning System Performance Using Composite Nano-Lubricants and Fuzzy Modeling Optimization

Enhancement of solar distiller performance by photovoltaic heating system

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