مجلة السليمانية للعلوم الهندسية最新文献

Evaluation, Monitoring, and Improving the Airflow and Heat Transfer in a Cold Storage of Foodstuffs, CFD Simulation and Experimental Investigation 食品冷库中气流与传热的评估、监测与改进，CFD模拟与实验研究

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10165

Zhilwan Majed, Sherko Flamarz

{"title":"Evaluation, Monitoring, and Improving the Airflow and Heat Transfer in a Cold Storage of Foodstuffs, CFD Simulation and Experimental Investigation","authors":"Zhilwan Majed, Sherko Flamarz","doi":"10.17656/sjes.10165","DOIUrl":"https://doi.org/10.17656/sjes.10165","url":null,"abstract":"Freshness and quality of fruits and vegetables as well as product saleable weight depend on heat and moisture transfer rate during air-cooling in the cool storages. The main objective of this study was to evaluate and develop a validated CFD model for predicting the temperature and velocity fields in a cold storage. In this study the air temperature, velocity, and non-uniform airflow in cold storage have been studied experimentally and numerically. Experimental and numerical models were employed to investigate cold storage's airflow field, flow pattern, and temperature field. The temperature and the velocity fields were measured in the cold storage filled with two potato pallets by using a hot wire anemometer and thermocouple with a programmable data logger computer. The experimental data was recorded at 60 points of temperature, and 27 points of velocity from three levels; high, middle, and bottom. Numerically the SB (Solid Block) technique was used to assess four turbulence models (Standard k-ε, Realizable k-ε, Standard k-ω, and SST k-ω) to compare with the experimental results for validation. The results of the validation were agreed with the experimental. The comparisons between the numerical results and experimental results revealed that the Shear Stress Transport (SST k-ω) model shows the best performance with the smallest absolute errors for temperature and velocity respectively. As well as the results revealed that the bottom and the top of the room was subjected to fresher and cooler air with relatively higher velocity. According to the study validation and finding, using the SST k-ω model is the best model for investigation in a cold storage, and for the improvement and evaluation of more complex cold storage, to achieve the balance distributions of air velocity, air temperature, and other heat transfer phenomena.","PeriodicalId":496932,"journal":{"name":"مجلة السليمانية للعلوم الهندسية","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134997010","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

PV and QV analysis for finding the optimum location of FACTS device to investigate the effectiveness in KR power system using PSS/E 利用PV和QV分析寻找FACTS装置的最佳位置，研究PSS/E在KR电力系统中的有效性

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10164

Govand Abdullah, Jwan Raafat

引用次数: 0

The Impact of Heritage Values on Public Perception of Architectural Conservation in Suleimani City 遗产价值对苏莱曼尼市公众对建筑保护认知的影响

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10168

Tablo Radha, Alan Ali

{"title":"The Impact of Heritage Values on Public Perception of Architectural Conservation in Suleimani City","authors":"Tablo Radha, Alan Ali","doi":"10.17656/sjes.10168","DOIUrl":"https://doi.org/10.17656/sjes.10168","url":null,"abstract":"This paper aims to discover individuals’ perceptions of Suleimani city’s heritage buildings before and after architectural conservation, as part of a thesis about heritage awareness. Acknowledging that awareness is the ability to perceive and perception is affected by different heritage values that people attach to their built heritage. However, in the architectural conservation process in Suleimani city, some heritage values are neglected, or missing, due to various reasons, and this issue has affected public perception of heritage buildings. Therefore, in this paper, several heritage values have been selected to evaluate the public perception of built heritage in Suleimani city. Because understanding the built heritage and its impact on individual and community heritage awareness depends on how the community perceives and experiences its heritage. This study explores local perceptions of heritage buildings in Suleimani city by using the Semantic Differential Scale (SDS) measure, to analyze the responses of participants in a questionnaire survey. As well as, an evaluation has been made of selected heritage buildings to clarify the reflection of heritage values in Architectural conservation. Different results were found between perceived heritage values in the conserved buildings. By examining local perceptions of architectural conservation, this study contributes to the idea of the built environment's human-centeredness. Assuming that local views of the built heritage directly impact conservation efforts and heritage-driven solutions.","PeriodicalId":496932,"journal":{"name":"مجلة السليمانية للعلوم الهندسية","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134997007","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

Location of inception point of alternating steps stepped spillways 阶梯式交替溢洪道起始点位置

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10166

Burhan Muhammed, Kawa Abdulrahman

引用次数: 0

Impact of Connection with Nature on Users’ Satisfaction in Architecture Design Studios 建筑设计工作室与自然的联系对用户满意度的影响

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10169

Lara Basheer, Mahmood Khayat

{"title":"Impact of Connection with Nature on Users’ Satisfaction in Architecture Design Studios","authors":"Lara Basheer, Mahmood Khayat","doi":"10.17656/sjes.10169","DOIUrl":"https://doi.org/10.17656/sjes.10169","url":null,"abstract":"This paper attempts to investigate the effect of visual and non-visual connection with nature of biophilic design patterns on users’ satisfaction in the architectural design studios. The study proposes how the availability of biophilic design patterns in interior spaces reflects on the user’s satisfaction level focusing on the patterns that related to connection with nature, as they spend long hours in these interior spaces according to their curriculums. The study data was collected from seven target universities from different cities in KRI, each with specific climates and design criteria. The data tool was a survey questionnaire distributed among 355 participants in separate design studios with different groups of students to achieve accuracy and reliability in the results. The results showed a direct relation between the presence of nature (visually and non-visually) and students’ satisfaction, and the following results were obtained in comparison with the study hypothesis: The one-way ANOVA statistical results showed that users were not satisfied with visual connection with nature, particularly indoor-outdoor connection, on the other hand, the satisfaction level for non-visual connection was poor as there were very limited resources to pursue this parameter. Thus, the study has concluded that the adoption of Biophilic design patterns should be taken more seriously in the future to achieve higher levels of user satisfaction. This case study allows appreciating the importance of connection with nature in affecting satisfaction level and strengthening the affiliation with nature.","PeriodicalId":496932,"journal":{"name":"مجلة السليمانية للعلوم الهندسية","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134997011","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

Experimental Investigation of the Influence of Step Height on Energy Dissipation and Flow Characteristics in Stepped Spillways 台阶高度对阶梯式溢洪道消能及流动特性影响的试验研究

مجلة السليمانية للعلوم الهندسية Pub Date : 2023-08-01 DOI: 10.17656/sjes.10167

Wazira Qadir, Ahang Ali, Kawa Abdulrahman

引用次数: 0