Volume: 43, Issue: 2 (30 Articles)
Research Article
Title: THERMAL AND EMISSION ANALYSIS OF SPARK IGNITION S.I ENGINE USING PREMIUM GASOLINE-ETHANOL-PARAFFIN BLENDS WITH DIFFERENT OPERATING CONDITIONS
Authors: Sujit KUMBHAR, Sanjay KHOT
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:369-382
DOI: 10.14744/sigma.2025.00030
Viewed: (27) times
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Research Article
Title: AN ARIMA MODEL APPROACH FOR PREDICTING WHEAT PRODUCTION IN INDIA AND CHINA
Authors: K. SUKANYA, Khadar BABU SK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:383-390
DOI: 10.14744/sigma.2025.00031
Viewed: (26) times
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Research Article
Title: FUZZY LOGIC-BASED OPTIMIZATION OF AWJM FOR CORE MAT AND CFRP: A GREY RELATIONAL APPROACH
Authors: Dipak S. PATIL, M. M. BHOOMKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:391-399
DOI: 10.14744/sigma.2025.00032
Viewed: (17) times
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Research Article
Title: PHASE-MISMATCH THIRD HARMONIC GENERATION İN QUANTUM MAGNETOPLASMA
Authors: Shiv SINGH, Abhisek Kumar SINGH, Punit KUMAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:400-407
DOI: 10.14744/sigma.2024.00053
Viewed: (15) times
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Research Article
Title: CONVERSION EFFICIENCY BY CIRCULARLY POLARIZED LASER PULSE WITH TWO DIFFERENT SPIN STATES IN MAGNETIZED QUANTUM PLASMA
Authors: Nafees AHMAD, Abhisek KUMAR SINGH, Punit KUMAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:408-415
DOI: 10.14744/sigma.2024.00049
Viewed: (18) times
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Research Article
Title: EXTENSION OF THE JACCARD DISTANCE MEASURE FOR INTERVAL-VALUED INTUITIONISTIC FUZZY SETS
Authors: Melda KOKOÇ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:416-428
DOI: DOI: 10.14744/sigma.2025.00033
Viewed: (19) times
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Research Article
Title: MHD UPPER-CONVECTED MAXWELL HYBRID NANO FLUID OVER A STRETCHING SHEET: A NUMERICAL APPROACH
Authors: G. THİRUPATHİ, K. GOVARDHAN, G. NAGARAJU, Santhoshi MİSRA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:429-440
DOI: 10.14744/sigma.2025.00034
Viewed: (18) times
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Research Article
Title: AUTOMATIC IDENTIFICATION OF BRITTLE, ELONGATED AND EQUIAXED DUCTILE FRACTURE MODES IN WELD JOINTS THROUGH MACHINE LEARNING
Authors: K GAJALAKSHMI, S. SARAVANAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:441-451
DOI: 10.14744/sigma.2025.00035
Viewed: (20) times
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Research Article
Title: A HYBRID MODEL OF RANDOM FOREST ENSEMBLE AND RESAMPLE FOR CARDIOTOCOGRAPHY DATA CLASSIFICATION
Authors: R. HEPHZIBAH, A. Hepzibah CHRISTINAL, Deepthy Mary ALEX, R. JAYANTHI, D. Abraham CHANDY, Chandrajit BAJAJ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:452-462
DOI: 10.14744/sigma.2024.00083
Viewed: (20) times
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Research Article
Title: NUMERICAL AND EXPERIMENTAL INVESTIGATION OF CROSS CUT ANGLE IMPACT ON HEAT TRANSFER IN MICROCHANNELS
Authors: Vikram M. GHULE, Abhay A. PAWAR, Lalit N. PATIL, Vijaykumar K. JAVANJAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:463-486
DOI: 10.14744/sigma.2025.00036
Viewed: (24) times
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Research Article
Title: ANALYSIS OF NONLINEAR PARTIAL DIFFERENTIAL EQUATION OF TRAVELING WAVE SOLUTIONS WITH AN EFFECTIVE METHOD
Authors: Aslı ALKAN, Hasan BULUT, Tolga AKTÜRK, Öznur ENGİN, Nesrin GÜLLÜOĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:487-494
DOI: 10.14744/sigma.2024.00085
Viewed: (23) times
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Research Article
Title: NEW RANKING AND NEW ALGORITHM FOR TACKLING PENTAGONAL NEUTROSOPHIC TRANSPORTATION ISSUE WITH APPLICATIONS
Authors: K. HEMALATHA, VENKATESWARLU B.
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:495-504
DOI: 10.14744/sigma.2025.00037
Viewed: (28) times
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Research Article
Title: ADVANCING LOGISTICS AND RESOURCE MANAGEMENT QUALITY THROUGH TWOSTAGE TANDEM QUEUES AND SINGLE VACATION TECHNIQUES
Authors: R. KEERTHIKA, S. P. NIRANJAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:505-512
DOI: 10.14744/sigma.2025.00039
Viewed: (26) times
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Research Article
Title: THE SCIENTIFIC OUTPUTS OF EARTHQUAKES IN TÜRKİYE: A BIBLIOMETRIC ANALYSIS
Authors: Sema YILMAZ, Uğur ACAR, Mehmet Fatih AKBABA, Tolga AKBULUT, Cem AKGÜN, Oya AKIN, Burak AKPINAR, Güzin AKYILDIZ ALÇURA, Hande ALADAĞ, Selçuk ALP, Ahmet Yiğit ARABUL, Fatma KESKİN ARABUL, Erkan AVLAR, Nezir AYDIN, Tolga BAKIRMAN, Füsun BALIK ŞANLI, Muhammet Kazım BAYCAR, Onur Can BAYRAK, Nur BEKİROĞLU, Atakan BİLGİLİ, Didem ÇOLAK BÜYÜKSOY, Özgür ÇAKIR, Reşit ÇELİK, Füsun ÇİZMECİ YÖREŞ, Mehmet Turan DAL, Alperen Taha DEMİRBAĞ, Fehmi Samet DEMİRCİ, Gökhan DEMİRDÖĞEN, Berna DİKÇINAR SEL, Uğur DOĞAN, Tunç DURMAZ, Tülay ERBESLER AYAŞLIGİL, Tuğçe ERCAN, Ozan ERDİNÇ, Ayşe Kübra ERENOĞLU, Nilgün Çolpan ERKAN, Mehmet Yavuzhan ERPAY, Şükrü ERSOY, Nevra ERTÜRK, Elif ERYÜZ, Ebru GEÇİCİ, Tayfur GÖKÇEK, Tülin GÖRGÜLÜ, Fatih GÜLGEN, Mustafa GÜRSOY, Zeynep IŞIK, Zahide Gül KARAAĞAÇ, Miray KARABAŞ, Mesut KARAKAŞ, Ali Barış KATRANCI, Fazıl KAYIKÇI, Ali KILIÇ, Batuhan KILIÇ, Ercan KOÇ, Kerim KOÇ, Ezgi KORKMAZ, Nefise Burcu KÖYLÜ YAĞAN, Ali Osman KURUŞÇU, Sevgül LIMONCU, Atiye Hülya OBDAN, Ozan OKUDAN, etc.
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:513-522
DOI: 10.14744/sigma.2025.00040
Viewed: (25) times
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Research Article
Title: STUDY OF THE VARIATION OF TEMPERATURES IN A SOLAR CHIMNEY
Authors: Razika IHADDADENE, Nabila IHADDADENE, Elhouas BEDJEGHIT, Ammar SEMANE, Belhi GUERIRA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:523-532
DOI: 10.14744/sigma.2024.00111
Viewed: (23) times
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Research Article
Title: ULTRASONIC HELICAL SENSOR FOR MONITORING FUEL ADULTERATION AND CONCENTRATION
Authors: Abhishek KUMAR, Suresh PERIYANNAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:533-540
DOI: 10.14744/sigma.2025.00041
Viewed: (47) times
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Research Article
Title: PREDICTION OF THE COMPRESSIVE STRENGTH IN HIGH-STRENGTH CONCRETE CORES THROUGH THE DESTRUCTIVE METHOD
Authors: Salem MÉRABTI, Salah BEZARI, Abdellah BOUDINA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:541-554
DOI: 10.14744/sigma.2025.00042
Viewed: (46) times
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Research Article
Title: ANTIPODAL RESOLVING SETS ON ALGEBRAIC GRAPHS OF FINITE GROUPS
Authors: K. Aruna SAKTHI, R. RAJESWARI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:555-561
DOI: 10.14744/sigma.2025.00043
Viewed: (52) times
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Research Article
Title: THE CORROSION RESISTANCE EFFECT OF NANOCOMPOSITES CONTAINING AuNPs COATED ONTO TITANIUM SURFACES
Authors: Sinem YENİYOL, İlven MUTLU, H. Miraç DİZMAN, Nergis ARSU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:562-569
DOI: 10.14744/sigma.2025.00044
Viewed: (49) times
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Research Article
Title: ENHANCING AGRICULTURAL EFFICIENCY IN INDIA WITH IOT BASED SMART BOATS
Authors: Subhash GADHAVE, Saketkumar KOSODE, Vijaykumar JAVANJAL, Lalit N. PATIL, Vikash K. AGRAWAL, Swapnil JADHAV, Lalit K. TOKE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:570-581
DOI: 10.14744/sigma.2025.00045
Viewed: (57) times
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Research Article
Title: INVESTIGATION OF FRACTIONAL ORDER COVID-19 MODEL WITH Q-HOMOTOPY ANALYSIS TRANSFORM METHOD
Authors: Mehmet MERDAN, Pınar AÇIKGÖZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:582-597
DOI: 10.14744/sigma.2025.00046
Viewed: (46) times
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Research Article
Title: DEVELOPMENT A SOFTWARE FOR DETECTING BURN SEVERITY USING CONVOLUTIONAL NEURAL NETWORK-BASED APPROACH
Authors: Canan BULUT, Dilek KOLCA, Fatih TARLAK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:598-606
DOI: 10.14744/sigma.2024.00055
Viewed: (53) times
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Research Article
Title: A CONSENSUS REACHING PROCESS WITH FUZZY MATRIX OF INTERPERSONAL INFLUENCES
Authors: Asma MAHMOOD
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:607-614
DOI: 10.14744/sigma.2025.00047
Viewed: (54) times
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Research Article
Title: APPLICATION OF AN IMPROVED EDGE DETECTION ALGORITHM IN FUNDUS IMAGES
Authors: Gurkan KAPLAN, Alper ODABAS
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:615-625
DOI: 10.14744/sigma.2025.00048
Viewed: (83) times
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Research Article
Title: DESIGN AND DEVELOPMENT OF CARBON QUANTUM DOT-ASSISTED FIBER OPTIC UV-A SENSOR
Authors: Sandra FRANCIS, Shashwati WANKAR, Utkarsh ALSET, Vivek CHAVAN, Suparna SODAYE, Sonawane CHANDRAKANT, Anand PANDEY, Abhinav KUMAR, Atul KULKARNI, Naveen Kumar GUPTA, Hitesh PANCHAL, Yogesh JADHAV
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:626-634
DOI: 10.14744/sigma.2025.00049
Viewed: (60) times
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Research Article
Title: A TECHNIQUE FOR DETERMINING THE PRICES OF STEAM AND ELECTRICITY GENERATED IN THE SUGAR COGENERATION INDUSTRY
Authors: Samsher SHEIKH, Manish JAIN, Pawan TAPRE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:635-646
DOI: 10.14744/sigma.2025.00050
Viewed: (85) times
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Research Article
Title: QUALITATIVE ANALYSIS OF EVOLUTION EQUATIONS: WEAKLY CONTINUOUS SEMIGROUPS IN BANACH SPACES
Authors: Erdal GÜL, Samet KARASU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:647-654
DOI: 10.14744/sigma.2024.00073
Viewed: (57) times
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Research Article
Title: DETERMINING THE PARAMETERS OF DATA MINING TECHNIQUES AND THEIR EFFECTS ON IRON DEFICIENCY BASED PREDICTION
Authors: Sahar J. MOHAMMED, Ahmed Kh. ABBAS, Arshed A. AHMAD, Mohammed S. MOHAMMED, Murat SARI, Hande USLU TUNA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:655-664
DOI: 10.14744/sigma.2025.00038
Viewed: (70) times
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Review Article
Title: INSIGHTS INTO THE USE OF COMPOSITES REINFORCED WITH NATURAL FIBERS IN ARCHITECTURAL APPLICATIONS, WITH A FOCUS ON KENAF FIBER
Authors: Irem CEYLAN, Nese CAKICI ALP
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:665-684
DOI: 10.14744/sigma.2025.00028
Viewed: (73) times
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Review Article
Title: A REVIEW OF GREEN BUILDING RESEARCH: KEY FINDINGS, CHALLENGES, ENERGY EFFICIENCY AND PROPOSED SOLUTIONS
Authors: Shrikant HARLE, Rajan L. WANKHADE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: April, Year: 2025, Volume: 43, Issue: 2, (APR 2025), pp:658-703
DOI: 10.14744/sigma.2025.0052
Viewed: (117) times
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