Journal of Solar Energy Engineering-transactions of The Asme最新文献_第2页

An accurate explicit six-parameter solar cell model based on single-diode and its parameter extraction for seven photovoltaic technologies 基于单二极管的精确显式六参数太阳电池模型及其参数提取

4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-10-18 DOI: 10.1115/1.4063621

Óscar Dávalos-Orozco, Pedro Rodrigo, Fernando Brambila-Paz, Julio C. Rosas-Caro

{"title":"An accurate explicit six-parameter solar cell model based on single-diode and its parameter extraction for seven photovoltaic technologies","authors":"Óscar Dávalos-Orozco, Pedro Rodrigo, Fernando Brambila-Paz, Julio C. Rosas-Caro","doi":"10.1115/1.4063621","DOIUrl":"https://doi.org/10.1115/1.4063621","url":null,"abstract":"Abstract The mathematical modeling of solar cells and panels is critical in many photovoltaic applications. However, the standard single-diode solar cell model, commonly selected to model these devices, is implicit and difficult to integrate into simulation software. Therefore, exact explicit solutions of this model, more suitable for computing purposes, have been proposed based on the Lambert W-function. This work introduces an explicit single-diode, easy-to-use six-parameter solar cell model. The proposed model is formulated with elementary functions. The model is developed and tested over seven photovoltaic technologies as an alternative to traditional approaches. Results of the extensive comparison of the three models (implicit, explicit Lambert W, and explicit six-parameter) show that the proposed approach is more accurate (14.81% relative improvement on average compared to the traditional methods), almost as fast as the Lambert W approach and much faster than the implicit approach. Due to its simplicity and accuracy, the proposed model will become an alternative in photovoltaic applications such as energy prediction and maximum power point tracking.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135824025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Performance of Finned Absorber Plate Solar Air Heater having Multiple Triangular Air Flow Passages in Parallel under Transition to Turbulent Flow Condition 具有多个平行三角形气流通道的翅片吸收板太阳能空气加热器在紊流过渡条件下的性能

4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-10-13 DOI: 10.1115/1.4063494

Rajendra Karwa

{"title":"Performance of Finned Absorber Plate Solar Air Heater having Multiple Triangular Air Flow Passages in Parallel under Transition to Turbulent Flow Condition","authors":"Rajendra Karwa","doi":"10.1115/1.4063494","DOIUrl":"https://doi.org/10.1115/1.4063494","url":null,"abstract":"This paper presents results of thermal performance study of a solar air heater having absorber plate with inclined fins fitted in equilateral triangular flow passages in parallel using the governing equations under transition to turbulent flow and compared the same with the conventional solar air heater having low aspect ratio rectangular air flow duct at equal pumping power condition. The equal pumping power condition for the equilateral triangular passages of width w and rectangular duct height H has been found to be w = 2.65 H. The finned absorber plate solar air heater has been found to provide 7.3-25.8% better thermal efficiency than the conventional air heater because of the substantial increase in the effective heat transfer surface area due to the fins. The effects of variation of design, ambient and operating parameters on the performance of the finned solar air heater shows that the triangular passage width w must be increased with the increase in the collector length L to satisfy the condition of equal pumping power according to the relation w3/L2.75 = constant. The results of the present study can be utilized for the development of enhanced performance finned solar air heater with triangular passages.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135804563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Novel Design of Parabolic Trough Solar Collector's Absorber Tube 抛物槽型太阳能集热器吸收管的新型设计

4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-10-06 DOI: 10.1115/1.4063700

Mohamed Salim Djenane, Seddik Hadji, Omar Touhami, Abdel Halim Zitouni

{"title":"A Novel Design of Parabolic Trough Solar Collector's Absorber Tube","authors":"Mohamed Salim Djenane, Seddik Hadji, Omar Touhami, Abdel Halim Zitouni","doi":"10.1115/1.4063700","DOIUrl":"https://doi.org/10.1115/1.4063700","url":null,"abstract":"Abstract This paper proposes an investigation of a novel design of receiver absorber tube (circular-trapezoidal shaped) for PTC (Parabolic Trough Concentrator) system aiming at catching a part of the lost (reflected) solar rays due to effects related to the incidence angle deviation, and thus improving the PTC's thermal performance. Although they are always present in PTC, the effects of the deviation angle are often not considered in the literature. These effects are considered here in view of presenting a better and more useful focal area, the optimal circular-trapezoidal absorber tube shape being determined according to the maximal limit of the deviation angle that allows catching the maximum amount of solar rays. The corresponding model is established considering it as a two-dimensional problem and the derived deviation angle coefficient compared to that obtained for a traditional circular shaped tube. Moreover, the energy balance model is adapted to simulate the thermal efficiency of the considered tubes as a function of the deviation angle with some assumptions. The obtained results prove that from a deviation angle value of 0.1 degrees, the gain in efficiency becomes more significant; it can reach 5 % and even be higher for a deviation angle value of 0.5 degrees. Finally, Comsol Multiphysics software package was used to determine the pressure drops, temperature and velocity field distributions, considering a deviation angle value of 0.2 degrees. The results confirm that the proposed tube absorbs more heat than the traditional one.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135346168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Nanoparticles Deposition on Cooling Performance of Photovoltaic Panels 纳米颗粒沉积对光伏板冷却性能的影响

4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-10-03 DOI: 10.1115/1.4063620

Hassan Salem, Ehab Mina

{"title":"Effect of Nanoparticles Deposition on Cooling Performance of Photovoltaic Panels","authors":"Hassan Salem, Ehab Mina","doi":"10.1115/1.4063620","DOIUrl":"https://doi.org/10.1115/1.4063620","url":null,"abstract":"Abstract The current research aims to investigate the deposition and dispersion of nanoparticles for thermally developing laminar flow inside a cooling channel of a photovoltaic (PV) panel. The particle transport is modeled in an Eulerian-Lagrangian framework using a two-way coupling approach to perform the particle trajectories. In the absence of turbulent fluctuations, Brownian diffusion is the main force that contributes to particles deposition due to the small size of the particles used in the current study (below 100 nm). Several parameters were investigated such as inlet temperature, Reynolds number, nanoparticle size, and concentration in order to record the subsequent effects on the deposition efficiency, heat transfer coefficient, and pressure drop. There is no direct particle deposition model available in commercial computational packages such as Fluent, so a deposition model was developed and programmed in C-language using the User-Defined Functions (UDF) capabilities available in the Fluent solver to model how the particles are affected by wall impacts. Model validation was performed against the experimental studies found in the literature and showed good agreement. The efficiency of particle deposition on the channel wall was found to increase with decreasing nanoparticle size and/or Reynolds number. Furthermore, the deposition efficiency increased with the increase in fluid inlet temperature and nanofluid concentration. Moreover, the heat transfer rate was decreased as a result of decreasing nanofluid concentration caused by nanoparticle deposition on the channel walls, while the pumping power was also decreased due to concentration loss.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135696525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of Bulk Oxygen Capacity and Transient Redox Behavior of Foamed LSM Perovskites 泡沫LSM钙钛矿体氧容量及瞬态氧化还原行为的评价

4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-09-27 DOI: 10.1115/1.4063440

Dylan McCord, Elizabeth J. Gager, Kangjae Lee, Anthony McDaniel, Juan C. Nino, Jonathan Scheffe

{"title":"Assessment of Bulk Oxygen Capacity and Transient Redox Behavior of Foamed LSM Perovskites","authors":"Dylan McCord, Elizabeth J. Gager, Kangjae Lee, Anthony McDaniel, Juan C. Nino, Jonathan Scheffe","doi":"10.1115/1.4063440","DOIUrl":"https://doi.org/10.1115/1.4063440","url":null,"abstract":"Abstract Synthesis of solar thermochemical hydrogen (STCH) production redox materials with engineered structures, for example, replica foams, can enable efficient heat and mass transport and are critical for scaled-up systems. Prior work has motivated the use of lanthanum strontium manganese (LSM)-type perovskites as foamed STCH materials, but the effect of their morphology on bulk and kinetic behavior has not been reported. In this work, replica and direct foamed samples of La0.65Sr0.35MnO3-δ (LSM35) were fabricated and compared to synthesized powders and dense monoliths, and similarly synthesized CeO2-δ (ceria) foams, regarding their specific reaction rates and bulk oxygen capacity/H2 yields. Changes in oxygen capacity (Δδ) and reaction rates were measured between 1200 °C and 1400 °C by using fixed ratios of steam and hydrogen during both reduction and oxidation steps, allowing for analysis under practical high conversion conditions. Results suggest bulk behavior and reaction rates of the foamed LSM materials are comparable to their powder analogues. Differences in reaction rates were observed only when replica foamed samples were subjected to rapid laser heating (emulating conditions expected in solar furnaces), which is expected but has not been demonstrated at such a small scale. Foamed samples were further subjected to 50 redox cycles at 1400 °C to evaluate their stability. Results show no statistically significant decrease in hydrogen production for any of the foamed samples, but the direct foamed samples became brittle with time. Together, these results demonstrate the viability of replica foamed LSM perovskites for integration in scaled-up STCH systems.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135477772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of wind direction on the cooling capacity of short dry natural draft cooling towers operating in close proximity 风向对近距离运行短干式自然通风冷却塔制冷量的影响

IF 2.3 4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-08-31 DOI: 10.1115/1.4063333

M. Khamooshi, T. Anderson, R. Nates

{"title":"The effect of wind direction on the cooling capacity of short dry natural draft cooling towers operating in close proximity","authors":"M. Khamooshi, T. Anderson, R. Nates","doi":"10.1115/1.4063333","DOIUrl":"https://doi.org/10.1115/1.4063333","url":null,"abstract":"\u0000 The layout of multiple natural draft dry cooling towers could have a significant influence on the performance of the cooling system in concentrated solar power (CSP) plants, however this has never been quantified. Hence, this work used computational fluid dynamics (CFD) modelling to analyze the cooling capacity of two short natural draft dry cooling towers (NDDCTs) on a common site for a range of tower spacings, wind speeds and wind incidence angles. The results show that the cooling performance of the towers is a strong function of tower spacing and their orientation with respect to the wind direction. It was found that when the wind came at a 90° wind incidence angle (i.e., normal to a line drawn between the two towers) that their cooling capacity was improved at tower spacings of less than 1.8 tower diameters (1.8D), though for the other tower spacings there was no interaction between the towers. However, with wind at 45° to the towers, the flow around the towers resulted in a decrease in their cooling capacity at tower spacings of 1.8D and 2.6D. Most interestingly, it was found that orienting the towers in line with the prevailing wind direction delivered improvements in the cooling capacity of up to 30%. This is due to the windward tower acting as a passive windbreak. Hence, as CSP plant capacity is increased, and additional cooling towers are required, these should be placed close to any existing tower and oriented along the line of the prevailing winds.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47045699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

TRANSIENT THERMAL ANALYSIS OF A DOUBLE DUCT SOLAR ROOF CHIMNEY COUPLED WITH A SCALED ROOM 双风道太阳能屋顶烟囱与缩放房间耦合的瞬态热分析

IF 2.3 4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-08-16 DOI: 10.1115/1.4063185

Jose Ma Navarro, Adolfo Vazquez, J. Hinojosa, Saul F Moreno, V. M. Maytorena

{"title":"TRANSIENT THERMAL ANALYSIS OF A DOUBLE DUCT SOLAR ROOF CHIMNEY COUPLED WITH A SCALED ROOM","authors":"Jose Ma Navarro, Adolfo Vazquez, J. Hinojosa, Saul F Moreno, V. M. Maytorena","doi":"10.1115/1.4063185","DOIUrl":"https://doi.org/10.1115/1.4063185","url":null,"abstract":"\u0000 This research presents a detailed transient experimental and computational study of heat transfer and airflow in a scaled room linked with a double-duct vertical roof solar chimney (SC). The analysis was made in the coupled system, varying the heat flux supplied to the roof SC absorber during the day. Experimental temperature profiles were obtained at six different depths and heights, the empirical heat transfer coefficient was computed for the SC absorber, and the variation of air changes per hour was determined. A good agreement between experimental and numerical temperature profiles and average Nusselt number (Nut), being in the latter of average difference of 3.41%. The validated computational model was used to analyze the effect of the transient heating of the SC on temperature fields and flow patterns in the thermal system. Almost symmetrical temperature and y-velocity profiles are formed in the ducts at different hours of the day, with thermal boundary layers of about 4 mm. Correlations of the Nusselt number and air changes per hour (ACH) are provided as a function of the modified Rayleigh number.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41694101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sliding Pressure Inventory Control of a Supercritical CO2 cycle for Concentrated Solar Power- Analysis and Implications 用于太阳能集中发电的超临界CO2循环的滑动压力库存控制——分析和启示

IF 2.3 4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-08-14 DOI: 10.1115/1.4063183

Lakshminarayanan Seshadri, Pramod Kumar

{"title":"Sliding Pressure Inventory Control of a Supercritical CO2 cycle for Concentrated Solar Power- Analysis and Implications","authors":"Lakshminarayanan Seshadri, Pramod Kumar","doi":"10.1115/1.4063183","DOIUrl":"https://doi.org/10.1115/1.4063183","url":null,"abstract":"\u0000 This paper presents the use of Sliding Pressure Inventory Control (SPIC) for a 10 MW supercritical Carbon dioxide Brayton cycle for Concentrated Solar Power, incorporating Printed Circuit Heat Exchangers. Load regulation using SPIC for three representative ambient conditions 45 °C, 30 °C, and 15 °C are considered. While a wide operating range from 10 MW to less than 1 MW part load is obtained, a notable cycle efficiency decline at part load is also seen. Irreversibility analysis reveals that deterioration in recuperator and turbomachinery performance are primarily responsible for cycle performance degradation at part load. Nevertheless, useful inferences are obtained from the 10 MW SPIC irreversibility study. With a slightly increased value of heat exchanger length, a non-condensing 1 MW sub-critical CO2 cycle operating between 35 bar/53 bar is found to be as efficient as a 1 MW supercritical CO2 cycle operating between 88 bar/210 bar. The major benefit of choosing the sub-critical CO2 cycle for 1 MW scale applications is the significantly reduced turbomachinery speed (~26,000 rpm) in comparison with supercritical CO2 turbomachinery (~67,000 rpm) for the same power scale. These advantages are found to be true for air-based ideal gas cycles operating between 35 bar/53 bar too, with the latter requiring nominally smaller heat exchangers than the sub-critical CO2 cycle. The final choice of working fluid, however, for these low pressure cycles would depend on practical considerations, such as material compatibilities at high temperatures, corrosion considerations, and cost.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49486465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical investigation of reversed flow solar air heater roughened with circular and triangular shaped tubes 圆形和三角形管粗糙化逆流太阳能空气加热器的数值研究

IF 2.3 4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-08-14 DOI: 10.1115/1.4063184

Sohan Lal Sharma, A. Debbarma

{"title":"Numerical investigation of reversed flow solar air heater roughened with circular and triangular shaped tubes","authors":"Sohan Lal Sharma, A. Debbarma","doi":"10.1115/1.4063184","DOIUrl":"https://doi.org/10.1115/1.4063184","url":null,"abstract":"\u0000 The roughness geometry has been introduced to improve the rate of heat transfer in a solar air heater duct. In the current work, circular and triangular shape geometries are used as roughness elements in the rectangular channel to enhance the thermal performance of reversed flow solar air heater (RFSAH). The important parameters selected for the research are Reynolds number (Re) varies from 5000 to 18000 (5 values), pitch ratio (P/e) varies from 4 to 12 (5 values), and height ratio (e/D) from 0.0392 to 0.1571 (4 values). A 2D CFD model was developed using ANSYS (Fluent 2022R1), and simulation was performed using k-ε (RNG) turbulence model and validated with one set of experimental results for smooth duct and previous research. The findings revealed that the highest value of heat transfer was augmented about 2.18 times and 2.35 times for circular and triangular roughness geometry respectively, as compared to the smooth channel at a Reynolds number of 12000. The thermohydraulic performance factor (TPF) is 1.58 and 1.7 at pitch ratios of 6 and 5 for circular and triangular roughness geometry respectively, at Re of 12000.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45300977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization and deviation analysis of a high-flux solar simulator with metal-halide lamps 金属卤化物灯高通量太阳模拟器的特性及偏差分析

IF 2.3 4区工程技术

Journal of Solar Energy Engineering-transactions of The Asme Pub Date : 2023-08-14 DOI: 10.1115/1.4063182

Yuankun Zhang, M. Shaw, B. Ekman, G. Brooks, M. Rhamdhani, Chunsheng Guo

{"title":"Characterization and deviation analysis of a high-flux solar simulator with metal-halide lamps","authors":"Yuankun Zhang, M. Shaw, B. Ekman, G. Brooks, M. Rhamdhani, Chunsheng Guo","doi":"10.1115/1.4063182","DOIUrl":"https://doi.org/10.1115/1.4063182","url":null,"abstract":"\u0000 Utilizing highly concentrated solar power for thermochemical processing as one of the extraterrestrial In-Situ Resource Utilization (ISRU) applications has been highlighted as an essential technique to support deep-space exploration in the future. Multi-source High-Flux Solar Simulators (HFSSs) are widely employed to provide stable irradiance for indoor solar thermal experiments. Meanwhile, numerical modeling that can characterize the radiation transport mechanisms within the solar thermal system has been developed for performance evaluation before field trials. However, significant differences between simulated and measured flux distributions were shown for existing models developed based on the Monte-Carlo Ray-tracing (MCRT) method, which have been attributed to only one or two specific reasons. In this paper, we proposed a comprehensive analysis of the concentration characteristics of a 42kW metal-halide lamp HFSS, developed at Swinburne University of Technology, considering the effect of five aspects. The flux distribution, uniformity, and vector distribution under different configurations were compared to quantify the influence of these factors on receiving irradiance. The suitable arc size, reflector shape, and reflector surface properties of the existing HFSS have also been numerically determined to improve the model and reduce the Root Mean Square Error (RMSE) for the lamp array from 38.2% to 8.3%. This research provides a potential pathway to numerically predict the radiation transfer performance of HFSSs and determine the suitable configuration for desired solar thermochemical applications.","PeriodicalId":17124,"journal":{"name":"Journal of Solar Energy Engineering-transactions of The Asme","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46889467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1