iranica journal of energy and environment最新文献

Simulation and Optimization of Gas Sweetening Plant of Iraq Majnoon Refinery 伊拉克Majnoon炼油厂天然气脱硫装置的仿真与优化

iranica journal of energy and environment Pub Date : 2024-01-01 DOI: 10.5829/ijee.2024.15.01.03

M. Ibrahim Abduljabbar, H. Ghafouri Taleghani, I. Esmaili Paeen Afrakoti

引用次数: 0

Optimization of Process Parameters for Catalytic Pyrolysis of Waste Tyre using Reactivated Fluid Catalytic Cracking Catalyst 再活化流体催化裂化催化剂催化热解废轮胎工艺参数优化

iranica journal of energy and environment Pub Date : 2024-01-01 DOI: 10.5829/ijee.2024.15.01.02

M. Bisong Obi, A. Abubakar, S. Yunusa, F. Mohammed

{"title":"Optimization of Process Parameters for Catalytic Pyrolysis of Waste Tyre using Reactivated Fluid Catalytic Cracking Catalyst","authors":"M. Bisong Obi, A. Abubakar, S. Yunusa, F. Mohammed","doi":"10.5829/ijee.2024.15.01.02","DOIUrl":"https://doi.org/10.5829/ijee.2024.15.01.02","url":null,"abstract":"This work investigated the optimization of process parameters for catalytic pyrolysis of waste tyre using reactivated spent Fluid catalytic cracking (FCC) catalyst. The waste tyre pyrolysis used design expert software as the optimization tool for this study. A 3-factor level CCD with 20 experimental runs was used with temperature, time and catalyst as the input parameters while oil yield, density and viscosity were the output variables. Thereafter, an experimental validation of the optimized parameters, which were not among the original experimental runs, was carried out. Pyrolysis was also carried out at the optimized conditions with un-reactivated catalyst and without catalyst to ascertain the contributions of the catalyst and its reactivation. Based on the optimum parameters, 48.5 wt. % oil (0.79 g/ml and 2.05 cSt) was produced with the reactivated catalyst, 43.4 wt. % (0.86 g/ml and 3.52 cSt) was produced with spent catalyst, and 51 wt. % oil (0.95 g/ml and 4.24 cSt) was produced without catalyst. The oil yield without catalyst was higher than with reactivated catalyst (R-CAT); but it however had the lowest fuel qualities while oil produced with catalyst in turn had higher quantity and quality compared to oil produced with catalyst. Therefore, the incorporation of density and viscosity of the oil in the optimization of the catalytic pyrolysis of waste tyre enhanced the improvement of yield and quality of the oil produced. doi : 10.5829/ijee.2024.15.01.02","PeriodicalId":14591,"journal":{"name":"iranica journal of energy and environment","volume":"24 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79644402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Study on Seasonal Variations in Water Quality Parameters of Dhaka Rivers 达卡河水质参数的季节变化研究

iranica journal of energy and environment Pub Date : 2024-01-01 DOI: 10.5829/ijee.2024.15.01.09

M. J. Islam

引用次数: 1

Energy and Exergy Study of a Nanofluid-based Solar System Integrated with a Quadruple Effect Absorption Cycle and Thermoelectric Generator 集成四效吸收循环和热电发电机的纳米流体太阳能系统的能量和火用研究

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.08

M. Mahmoudi, I. Mirzaee, M. Khalilian

引用次数: 1

A Comprehensive Evaluation of Renewable Energy Systems with a Backup to Provide a Part of Electrical Needs of a Hospital: A Case Study in Grid-connected Mode 带备份的可再生能源系统提供医院部分电力需求的综合评估:并网模式的案例研究

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.01

I. Pishkar, S. Beigi

引用次数: 0

On Wind Speed and its Distribution Pattern: A Case Study of Some Selected Cities in Delta State, Nigeria 风速及其分布格局——以尼日利亚三角洲州部分城市为例

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.11

I. U. Siloko, E. Enoyoze

{"title":"On Wind Speed and its Distribution Pattern: A Case Study of Some Selected Cities in Delta State, Nigeria","authors":"I. U. Siloko, E. Enoyoze","doi":"10.5829/ijee.2024.15.01.11","DOIUrl":"https://doi.org/10.5829/ijee.2024.15.01.11","url":null,"abstract":"Wind is a significant weather variable and its study has gained convincing attention recently due to its increasing importance as a source of renewable energy as well as its role in various natural phenomena like erosion, precipitation, and spread of wildfires. This paper investigates wind speed distribution in Delta State, Nigeria using a nonparametric statistical technique for ten consecutive years spanning from 2011 to 2020 across three stations. The nonparametric statistical approach is the kernel density estimation with focus on Gaussian kernel estimator. The results of the investigated period revealed that wind speed in Asaba that is located in Delta North is higher in comparison with the wind speed in Patani which is situated in Southern region of the State while the wind speed is low at Sapele in Delta Central. Therefore, installation of wind power generation system is more profiting in the Northern part because the amount of wind energy generated is determine by the wind speed. Again, the performance of agricultural or industrial activities that depend on wind speed for their proper execution is optimum in 2018 while the least performances were recorded in 2015 and 2016 respectively for the period explored. doi","PeriodicalId":14591,"journal":{"name":"iranica journal of energy and environment","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76915325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Window Area and Proportions of Iwan on Daylight in Adjacent Room: An Investigation in Yazd City 亚兹德市窗面积和窗占比对相邻房间日光的影响

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.07

A. Kamyab, M. Mahmoudi Zarandi, M. Nikpour

{"title":"Effect of Window Area and Proportions of Iwan on Daylight in Adjacent Room: An Investigation in Yazd City","authors":"A. Kamyab, M. Mahmoudi Zarandi, M. Nikpour","doi":"10.5829/ijee.2024.15.01.07","DOIUrl":"https://doi.org/10.5829/ijee.2024.15.01.07","url":null,"abstract":"Yazd is located in a hot-dry region with harsh weather conditions. Houses with an iwan were suitable for establishing comfort conditions in the past. An evaluation of the visual comfort conditions in residential courtyard buildings in Yazd city was carried out by investigating the effects of the depth of the iwan and the ratio of the adjacent rooms' openings. Research is currently being conducted on an optimal model of the iwan in an effort to facilitate sustainable development and increase the use of such a model in contemporary housing. The effect of the parameters was investigated by simulating models containing different proportions of the iwan and sizes of the window in the Design Builder software. The results indicate that the proportion of the iwan and Window Wall Ratio of the adjacent room's window significantly affects the daylight that penetrates into the rooms. For the purposes of this study, climate-based daylight metrics (CBDMs), such as Useful Daylight Illuminances (UDI) with thresholds of 100 – 3000 lux and Spatial Daylight Autonomy (sDA) over 300 lux. In models with an iwan depth of 1.5 and above, windows from 20% to 60% WWR have the ability to bring a suitable amount of light into the room. This means that by using the iwan, wider windows can be designed without having glare and adding extra thermal load to the building. Results obtained from this research will provide new insight into the concepts of iwan. Furthermore, findings of this research help architect to design spaces with the utilization of daylight.","PeriodicalId":14591,"journal":{"name":"iranica journal of energy and environment","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88089232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Eeffect of Blade Thickness on Noise Pollution of H-type Darrieus Wind Turbines: A Numerical study 叶片厚度对h型风力机噪声污染影响的数值研究

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.06

A. Bozorgi, M. J. Zarei

{"title":"Eeffect of Blade Thickness on Noise Pollution of H-type Darrieus Wind Turbines: A Numerical study","authors":"A. Bozorgi, M. J. Zarei","doi":"10.5829/ijee.2024.15.01.06","DOIUrl":"https://doi.org/10.5829/ijee.2024.15.01.06","url":null,"abstract":"Noise pollution is one of the biggest problems of wind turbines, especially when these turbines are located near residential areas. In this article, the effect of blade thickness is numerically investigated on the noise pollution of an H-type Darrieus wind turbine. The flow is first simulated using the unsteady Reynolds averaged Navier-Stokes equations and the SST-kω model at the tip speed ratio of 2.64. Then, the noise is calculated using Ffowcs Williams-Hawkings equations. Blade thickness is changed using NACA airfoils from NACA 0008 up to NACA 0024. It is concluded that noise calculation at only one point, known as a routine method in noise investigation of wind turbines, is insufficient to investigate the noise of this turbine. Here, maximum noise in directivity is defined as the criterion of noise pollution. The results show that changing the blade profile of the benchmark turbine from NACA 0021 to NACA 0015 increases the power coefficient from 0.318 to 0.371 and reduces the maximum noise from 95.67 dB (76.35 dB) to 90.19 dB (71.01 dB) at R = 2 m (8m). For NACA 0018, the power coefficient is 0.353, and the maximum noise is 89.78 dB (70.47 dB) at R = 2 m (8m). Overall, the highest output power is for NACA 0015, and the lowest noise pollution is for NACA 0018.","PeriodicalId":14591,"journal":{"name":"iranica journal of energy and environment","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86922856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Harmattan Dust Characteristics using Fourier Transform-Infrared and Gas Chromatography-Mass Spectrometry Method of Selected Sub-Saharan Region in African Stations 利用傅里叶变换-红外和气相色谱-质谱法研究非洲撒哈拉以南地区的哈玛坦粉尘特征

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.04

A. Shola Rinde, A. Mustapha, A. Francis Olatunbosun

引用次数: 0

A Method for Correction of Tropical Rainfall Measuring Mission Satellite Temperature Network in Mazandaran Province 马赞达兰省热带降雨测量任务卫星温度网的校正方法

iranica journal of energy and environment Pub Date : 2023-01-01 DOI: 10.5829/ijee.2024.15.01.10

M. Nadi, A. Yousefi Kebriya

{"title":"A Method for Correction of Tropical Rainfall Measuring Mission Satellite Temperature Network in Mazandaran Province","authors":"M. Nadi, A. Yousefi Kebriya","doi":"10.5829/ijee.2024.15.01.10","DOIUrl":"https://doi.org/10.5829/ijee.2024.15.01.10","url":null,"abstract":"Accurate spatial estimation of temperature is very important in meteorological research. This study investigated the efficiency of temperature products of the Tropical Rainfall Measuring Mission (TRMM) satellite in estimating temperature in Mazandaran Province, and its accuracy were compared with inverse distance weighting and Co-Kriging interpolation methods. Finally, a new method was proposed to improve the accuracy of temperature estimation by combining the TRMM temperature products and terrains. Data recorded at 25 meteorological stations and 26 monthly and annual TRMM satellite images in 2012 and 2013 were used. The results showed a significant correlation between temperature data and satellite products, latitude, and altitude in significance level of 95%. Analyzing error indices showed that TRMM products have underestimation error that this bias error contributed to about 60% of error in these satellite images. Despite the larger error of TRMM products than interpolation methods, the regression analysis results demonstrated the superiority of satellite temperature products over interpolation methods. Furthermore, higher correlation of observed and estimated data showing that satellite products give a better understanding of cold and hot points of the study area despite its underestimation error. Combining satellite temperature products with influential covariates of altitude and latitude in the regression equation reduced the temperature estimation error of the TRMM products by 80%. The estimation precision increased over 70% compared to other temperature interpolation methods. Analyzing isotherm maps indicate the higher temperature of eastern coasts than western coasts. Moreover, evaluating different temperature estimation methods showed the higher precision of the methods that involved covariates than other methods.","PeriodicalId":14591,"journal":{"name":"iranica journal of energy and environment","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86517839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0