Volume: 43, Issue: 4 (30 Articles)
Research Article
Title: ON SOME ASPECTS OF ADVANCED FORECASTING STOCHASTIC TECHNIQUES WITH HETEROSCEDASTIC DISTURBANCES FOR PADDY SEASONAL DATASET
Authors: O. Veerendra BABU, Khadar Babu SK
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1067-1074
DOI: 10.14744/sigma.2025.00105
Viewed: (33) times
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Research Article
Title: IMPACT OF DUST AND WIND ON HEAT REJECTED FROM SOLAR PANEL
Authors: Soud Ali SOUD, Dayang Radiah Awang BIAK, Mohamad Rezi Abdul HAMID, Shafreeza SOBRI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1075-1087
DOI: DOI: 10.14744/sigma.2025.00106
Viewed: (23) times
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Research Article
Title: APPLICATION OF DATA ANALYTICS AND MACHINE LEARNING: A STEEL MANUFACTURING FACILITIES
Authors: Ezgi TOSUN, Ali Fuat GÜNERI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1088-1099
DOI: 10.14744/sigma.2025.00107
Viewed: (30) times
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Research Article
Title: A LITERATURE REVIEW: EFFECTS OF OHMIC HEATING ON INACTIVATION OF SPECIFIC BACTERIAL SPORES IN VARIOUS MATRIXES
Authors: Rengin SIKI, Ahmet ERYAŞAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1100-1112
DOI: 10.14744/sigma.2025.00001
Viewed: (28) times
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Research Article
Title: EFFICIENCY IMPROVEMENT OF SEMI-EVAPORATIVE COOLING SYSTEMS THROUGH ENVIRONMENTAL ANALYSIS
Authors: Vijaykumar Kisan JAVANJAL, Subhash GADHAVE, Lalit N. PATIL, Kuldeep A. MAHAJAN, Swapnil S. JADHAV
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1113-1123
DOI: 10.14744/sigma.2025.00108
Viewed: (21) times
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Research Article
Title: WRAPPED SIZE BIASED GAMMA LINDLEY DISTRIBUTION WITH APPLICATION
Authors: Phani YEDLAPALLI, Abdullah YILMAZ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1124-1131
DOI: 10.14744/sigma.2025.00109
Viewed: (23) times
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Research Article
Title: INFLUENCE OF SPIN ON PROPAGATION OF ELECTROMAGNETIC WAVE IN QUANTUM DUSTY MAGNETOPLASMA
Authors: Abhisek Kumar SINGH, Punit KUMAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1132-1139
DOI: 10.14744/sigma.2024.00101
Viewed: (22) times
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Research Article
Title: THERMO-MECHANICAL ANALYSIS IN A SIMPLY SUPPORTED PLATE USING A FRACTIONAL ORDER APPROACH
Authors: Navneet LAMBA, Jyoti VERMA, Kishor DESHMUKH
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1140-1151
DOI: 10.14744/sigma.2025.00110
Viewed: (23) times
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Research Article
Title: THERMAL ANALYSIS OF AG-WATER NANOFLUID FLOW INDUCED BY A HORIZONTALLY STRETCHING CYLINDER WITH ELECTRIFIED NANOPARTICLES
Authors: Aditya Kumar PATI, Ashok MISRA, Saroj Kumar MISHRA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1152-1165
DOI: 10.14744/sigma.2025.00111
Viewed: (27) times
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Research Article
Title: MAGNETO-DOUBLE-DIFFUSIVE CONVECTION IN A HYBRID NANOFLUID
Authors: Monal BHARTY, Atul K. SRIVASTAVA, Hrishikesh MAHATO
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1166-1178
DOI: 10.14744/sigma.2025.00112
Viewed: (25) times
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Research Article
Title: MHD FLOW AND EFFECTS OF HALL CURRENT, JOULE HEATING, AND HEAT SOURCE ACROSS A CHEMICALLY REACTING AND RADIATING EXPONENTIALLY STRETCHING SHEET IN A POROUS MEDIUM
Authors: Ankur KUMAR SARMA, Dipak SARMA, Sunmoni MUDOI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1179-1196
DOI: 10.14744/sigma.2024.00110
Viewed: (31) times
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Research Article
Title: PREDICTION OF LOAD BEARING CAPACITY OF CARBON-FIBRE LAMINATES USING ARTIFICIAL NEURAL NETWORKS
Authors: Devendra SAHU, Renu SAHU, Ramit CHUGH, Ritesh Kumar DEWANGAN, Surendra Pal Singh MATHARU, Gaurav K. GUPTA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1197-1203
DOI: 10.14744/sigma.2025.00113
Viewed: (29) times
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Research Article
Title: A WIDEBAND BANDSTOP FILTER DESIGN UTILIZING ROUNDED INTERDIGITAL MEANDER LINES AND IMPEDANCE STUBS FOR S AND C BANDS
Authors: Abdullah Selim KÖKSAL, Kamil KARAÇUHA, Şehabeddin Taha İMECİ
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1204-1210
DOI: 10.14744/sigma.2025.00114
Viewed: (22) times
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Research Article
Title: COMPARATIVE ANALYSIS OF ALUMINUM ALLOYS AND CAST IRON AS MATERIALS FOR AIR-COOLED INTERNAL COMBUSTION ENGINES
Authors: Jeremiah Lekwuwa CHUKWUNEKE, Steven Emenike ATUEGBUNAM, Victor Ikenna OKORO, Kingsley CHİDİ NNAKWO, Onyemazuwa Andrew AZAKA, Henry Chukwuemeka OLISAKWE, Okechi Lubee EMEANA
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1211-1223
DOI: 10.14744/sigma.2025.00115
Viewed: (25) times
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Research Article
Title: MECHANICAL PROPERTIES OF ARTIFICIALLY AGED CARBON NANOTUBE REINFORCED ALUMINUM ALLOY MATRIX COMPOSITES
Authors: Bedri Onur KÜÇÜKYILDIRIM, Metehan DEMİRKOL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1224-1232
DOI: 10.14744/sigma.2025.00116
Viewed: (26) times
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Research Article
Title: PRECISION MAPPING AND NAVIGATION: A ROBOTIC RESTAURANT MANAGEMENT SYSTEM USING SLAM AND ROS
Authors: Lalit N. PATIL, Swapnil S. JADHAV, Kishor B. WAGHULDE, Prathamesh GAIKWAD, Shubham DUCHAL, Swapnil PATIL, Namrata FULSHETE, Madhuri CHATUR-DEOKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1233-1247
DOI: 10.14744/sigma.2025.00117
Viewed: (67) times
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Research Article
Title: ENHANCING OPERATIONAL EFFICIENCY THROUGH ROBOTIC PROCESS AUTOMATIONIN E-COMMERECE
Authors: Vikash K. AGRAWAL, Srinivasa Rao BOGIREDDY, Lalit N. PATIL, Swapnil S. JADHAV, Madhavan R. SWAMI, Shinde H. SHIVAJI, Omkar D. BHANGADE, Atharva S. JAGTAP
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1248-1264
DOI: 10.14744/sigma.2025.00118
Viewed: (65) times
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Research Article
Title: EXPENSE TRACKER MANAGEMENT SYSTEM USING MACHINE LEARNING
Authors: Rishiraj Singh THAKUR, Akshay JADHAV
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1265-1275
DOI: 10.14744/sigma.2025.00119
Viewed: (64) times
Abstract | Full Text| PDF
Research Article
Title: ENHANCED CONTENT-ADDRESSABLE MEMORY WITH TERNARY CONTENTADDRESSABLE NEURAL NETWORK-BASED AUTO ENCODER
Authors: P. Prabhu THAPASWINI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1276-1289
DOI: 10.14744/sigma.2025.00120
Viewed: (58) times
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Research Article
Title: THE REAL FORMS OF THE S3-GRADED ALGEBRAS sl(2,C)
Authors: Yasemen UÇAN, Ramazan TEKERCİOĞLU, Ülkü BABUŞCU YEŞİL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1290-1295
DOI: 10.14744/sigma.2024.00109
Viewed: (50) times
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Research Article
Title: EXPERIMENTAL INVESTIGATION OF POWER LOSSES IN PV PANELS SOILING AND DESIGNING AN AFFORDABLE CLEANING SOLUTION
Authors: Salman AALAM, Antash NAJIB, Syed A. ZAIDI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1296-1306
DOI: 10.14744/sigma.2025.00121
Viewed: (67) times
Abstract | Full Text| PDF
Research Article
Title: EXPLORING HEART DISEASES SURVIVAL PATTERNS: A MULTIFACETED APPROACH USING SURVIVAL ANALYSIS TECHNIQUES ON TIME TO EVENT DATA
Authors: M. Darshan TEJA, Mokesh RAYALU G
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1307-1320
DOI: 10.14744/sigma.2025.00122
Viewed: (349) times
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Research Article
Title: CORRELATION BASED SENSITIVITY ANALYSIS AND SUITABILITY EVALUATION OF MULTICRITERIA DECISION-MAKING METHODS ACCORDING TO DIFFERENT NORMALIZATION TECHNIQUES
Authors: Yağmur ŞAN, Ercan ŞENYİĞİT
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1321-1338
DOI: 10.14744/sigma.2025.00123
Viewed: (74) times
Abstract | Full Text| PDF
Research Article
Title: KENDALL RANK CORRELATION ANALYSIS OF MALATYA CENTRALITY ALGORITHM WITH WELL-KNOWN CENTRALITY MEASURES
Authors: Selman YAKUT, Furkan ÖZTEMİZ, Ali KARCI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1339-1354
DOI: 10.14744/sigma.2025.00124
Viewed: (57) times
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Research Article
Title: INDOOR-OUTDOOR SCENE RECOGNITION: A MULTI-FEATURE FRAMEWORK USING CNN FOR COMPLEX ENVIRONMENT
Authors: Pandit NAGRALE, Sarika KHANDELWAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1355-1365
DOI: 10.14744/sigma.2024.00157
Viewed: (71) times
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Research Article
Title: MULTILAYERED FULL ADDER LAYOUT WITH WIRE CROSSINGS: A QCA APPROACH TO NANO COMPUTATIONS
Authors: Rohit Kumar SHAW, Angshuman KHAN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1366-1375
DOI: 10.14744/sigma.2024.00127
Viewed: (90) times
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Research Article
Title: DESIGNING DOUBLE SAMPLING PLANS WITHIN SUPPLY CHAIN CONTRACT – A SIMULATION STUDY UTILIZING NORMAL AND LOGNORMAL DISTRIBUTIONS
Authors: J. SINTHIYA, S. Ravi SANKAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1376-1384
DOI: 10.14744/sigma.2025.00125
Viewed: (109) times
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Research Article
Title: CLASSIFICATION OF BREAST CANCER USING ENSEMBLE MACHINE LEARNING WITH APACHE SPARK
Authors: Durga Pujitha KROTHA, Fathimabi SHAIK, G. JAYA LAKSHMI
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1385-1399
DOI: 10.14744/sigma.2025.00126
Viewed: (117) times
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Review Article
Title: NANOCOMPOSITES: A COMPREHENSIVE REVIEW FOR SUSTAINABLE INNOVATIONS
Authors: Aarti JATHAR, Samreen FATEMA, Mazahar FAROOQUI, Dattatraya JIREKAR, Pramila GHUMARE
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1400-1416
DOI: 10.14744/sigma.2025.00127
Viewed: (117) times
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Review Article
Title: STATISTICAL AND MATHEMATICAL MODELING OF TEMPERATURE DYNAMICS IN AUTOMOTIVE BRAKE COMPONENTS: A SYSTEMATIC REVIEW
Authors: Vikash K. AGRAWAL, Lalit N. PATIL, Swapnil S. JADHAV, Kaustubh V. CHAVAN, Uddhav D. NIMBALKAR, Subhash L. GADHAVE, Vijaykumar JAVANJAL
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: August, Year: 2025, Volume: 43, Issue: 4, (AUG 2025), pp:1417-1437
DOI: 10.14744/sigma.2025.00128
Viewed: (202) times
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