P.Umamaheswarrao

Scopus Publications

Enhanced Solar Desalination Using Natural Dolomite-Integrated PCM and MWCN Thermal Storage: An Experimental Study
Krupakaran R L, Ratnakamala Petla, Praveen Anchupogu, Umamaheswarrao P, R Satya Meher, et al.
SAE Technical Papers, 2026
<div class="section abstract"><div class="htmlview paragraph">Systems for solar desalination provide a practical and environmentally friendly way to turn salty or polluted water into drinkable water. Three configurations are experimentally investigated in this study: a traditional solar desalination system, a system integrated with a thermal energy storage unit (TESU) based on phase change material (PCM), Multi wall Carbon nano Tube were mixed with PCM at 2% of total volume of the PCM and a system that incorporates powdered natural dolomite/MWCNT at 1% each into the PCM-based TESU. Each of the four configurations was created, tested simultaneously, and thoroughly examined. In comparison to the Standard Still (SS), the experimental findings showed that the adoption of PCM-based TESUs increased daily cumulative water output (collection efficiency) by 24%, 26% with addition of MWCNT and the addition of dolomite powder/MWCNT further increased productivity by 27%. The average exergy efficiencies for for SS, SS with PCM, SS with nano enriched PCM, and SS on PCM with MWCNT/dolomite were 1.02%, 1.25%, 1.34% and 1.6%, respectively compared to SS without PCM.</div></div>
Sustainable Borassus Biomass Derived Catalyst for Biodiesel Production: An Integrated Optimization and Prediction Approach Using RSM and Machine Learning
Anchupogu Praveen, M. Vimal Teja, Madhavi Katamaneni, Vadlamudi Tara Chand, P. Chengareddy, et al.
Bioenergy Research, 2025
Experimental investigations and optimization of process parameters using COPRAS method during laser beam machining of Hardox-400 spur gears
D. Vijay Praveen, P. Umamaheswar Rao, T. Nancharaiah, S. Krugon, Y. Narendra Babu, et al.
International Journal on Interactive Design and Manufacturing, 2025
ROLE OF REINFORCEMENTS ON MECHANICAL AND WEAR BEHAVIOUR OF AZ91D HYBRID COMPOSITES
Y. Narendra Babu, D. Vijay Praveen, P. Umamaheswarrao, B. Ratna Sunil, S. Krugon
Archives of Metallurgy and Materials, 2025
Composite materials offer a versatile and customizable solution for various industries, allowing for innovative designs and improved performance. Magnesium-based composites offer a compelling combination of lightweight, high strength, and other desirable properties, making them valuable materials for a variety of applications. The present study is focused on the microstructural, mechanical and wear characterization of the magnesium based hybrid composites which are developed with different combinations of Al2O3 and B4C microparticulates through stir casting route. The microstructural study reveals the diversity in the particle phase distribution. Composite with 2% Al2O3 and 6% B4C have shown higher hardness (78.5 HV0.2 and 67.3 HV0.2, respectively) and yield strength (273 MPa and 219 MPa, respectively) as compared to the other compositions. Furthermore, pin on disc test was conducted on the developed composites to study the wear and friction behavior. Test results revealed that the composite with 2% Al2O3 and 6% B4C has better wear resistance due to its superior mechanical properties as compared to the other developed composites. The results demonstrated the positive role of reinforcements in the AZ91D alloy, which can be a promising material for manufacturing structures and components in the automotive sector.
Development and Characterization of Sustainable Particles Reinforced AA-7075 Hybrid Metal Matrix Composites Reinforced AA-7075 Hybrid Metal Matrix Composites
D. Vijay Praveen, P. Umamaheswarrao, B. Ratna Sunil, Seelam Krugon, Yerra Narendra Babu
International Journal of Engineering Research in Africa, 2025
The processing of metallic materials alone has a huge impact on resource utilization, emission, and waste generation. With the emergent ecological concerns, there is a solid thrust towards sustainable materials development. Sustainable metal matrix composites are designed to minimize environmental impacts by reducing resource consumption and energy usage and curbing waste generation. Now a days, the automotive sector is making significant strides towards a more ecological product chain by adopting sustainable reinforcements such as basalt fibres, red mud reinforcements, fly ash, cenosphere particles etc. into matrix material which significantly influence the mechanical properties. With this perspective, the present work is aimed to investigate the hardness, tensile, flexural, impact and wear characteristics of 7075 reinforced with different combinations of B4C, egg shell particles along with fly ash. The results revealed that the best mechanical and wear are measured at 3 % boron carbide, 3 % Egg shell powder and 2 % fly ash reinforced AA-7075 composite among the other developed composites. The results thus suggested that the incorporation of sustainable reinforcements along with ceramic reinforcements offer enhanced material characteristics, cost savings and environmental advantages.
Combined effect of hydrogen and with Julifora biodiesel blend (JFB20) on the combustion, performance and emission characteristics of a direct-injection diesel engine
Praveen Anchupogu, R.L. Krupakaran, S. Venkateswarlu, S. Satish, S. Phaneendrareddy, et al.
Procedia Structural Integrity, 2024
Hardening Characteristics of 16MnCr5 Metals for Engine Block
S. Baskar, Meikandan Megaraj, Karthick Manjunathan, M. Chandrasekaran, M. Anish, et al.
2024 IEEE 2nd International Conference on Emerging Trends in Engineering and Medical Sciences Icetems 2024, 2024
Crankpin is a mechanical part which links the crankshaft to the connecting rod to each cylinder. Normally, crankpins are made up of low carbon material which results in unexpected fracture on the crankpin material due its chemical composition, high engine temperature, high operating oil temperature, improper lubrication and lower hardness. Recently, researchers are developing crankpins with different materials for the better performance such as alloy steel and the mild steel materials which have similar chemical compositions of low carbon material. The primary object of this study is to develop an improved crankpin which will alleviate the current crankpin used in the connecting rod. In this work we have selected 16MnCr5 as a replacement of the presently used crankpin in the connecting rod. 16MnCr5 is a low carbon steel widely used for several applications in many of the automobile industries. 16MnCr5 is hardened by a case hardening process which is carried out through the sealed quench furnace for the set of process parameters. The results of the prepared material were analyzed using hardness, microstructure examination and the economic conditions of the materials. In future, another set of two materials such as SCM420H and EN1A will be used for alternating material for crankpin which are processed with the same set of parameters and compared with the 16MnCr5 material to check the suitable crank pin material to avoid unexpected damage.
Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications
D. Vijay Praveen, P. Umamaheswar rao, Y. Narendra Babu, S. Krugon
Silicon, 2023
Multi objective optimization of process parameters in hard turning of AISI 52100 steel with surface irregularities using GRA-PCA
Umamaheswarrao Ponugoti, Naga Sai Suman Koka, Ranga Raju Dantuluri
Engineering Research Express, 2023
Dry hard-turning is a cost-effective, efficient manufacturing method for AISI 52100 hardened bearing steel. Surface Defect Machining (SDM) is a novel approach to address surface roughness, deteriorations, residual stresses, and metallurgical changes on machined steel. SDM involves exposing workpieces to surface irregularities, reducing cutting resistance, and enhancing surface integrity and finish. In the present work, surface irregularities are formed on the surface of the workpiece in the form of indentations. Using the response surface method’s central composite design (CCD), 32 experimental runs were conducted to determine the optimal process parameters by varying the cutting and tool geometry parameters while AISI52100 steel hard turning (HT). Due to its complexity, multi-objective optimization is more challenging to study. The present work aims to evaluate the effects of input parameters on maching force, surface roughness, and workpiece surface temperature. Further, machining parameters optimization is performed employing the Grey relational analysis integrated with principal component analysis (GRA-PCA). Analysis of variance (ANOVA) was used to examine the impact of cutting and tool geometry parameters on grey relational grade (GRG). ANOVA revealed that feed has the highest influence on GRG, followed by depth of cut, nose radius, cutting speed, and negative rake angle. Cutting speed of 800 rpm, feed rate of 0.04 mm/rev, depth of cut of 0.5 mm, nose radius of 1 mm, and negative rake angle of 15° are the optimum combination of process parameters.
Grey Relational Analysis and Principal Component Analysis based optimization of process parameters in turning of EN-8 Steel
CH. LAKSHMI SRINIVAS, P. UMAMAHESWAR RAO, T. SRINAG, M. C. SEKHAR
Incas Bulletin, 2022
The present work investigates the optimum machining parameters while turning EN 8 steel by employing hybrid Grey relational analysis (GRA) and principal component analysis (PCA) techniques. Experiments were designed based on the central composite design (CCD) of the Response surface method (RSM). Experiments were conducted by varying machining parameters such as cutting speed, feed, and depth of cut. In this study, the surface roughness and the material removal rate (MRR) are measured during the experimentation. To determine the influence of cutting parameters, an Analysis of variance (ANOVA) was deployed. The optimal turning parameters are found to be speed 1170 rpm, feed 0.225 mm/rev, and depth of cut 1.238 mm. The results revealed that the optimization through hybrid GRA-PCA enhanced the output quality characteristics.
Combined effect of hydrogen and with Julifora biodiesel blend (JFB20) on the combustion, performance and emission characteristics of a direct-injection diesel engine
Praveen Anchupogu, R.L. Krupakaran, S. Venkateswarlu, S. Satish, S. Phaneendrareddy, et al.
Materials Today Proceedings, 2022
Machining force comparison for surface defect hard turning and conventional hard turning of AISI 52100 steel
P. U MAMAHESWARRAO, D. RANGARAJU, K. N. S. SUMAN, B. RAVISANKAR
Incas Bulletin, 2021
Experimental study on drilling force during drilling of AZ91D magnesium alloy
P. Umamaheswarrao, B. Ravi Sankar, M. Pardhasaradhi, K. Rajasekharababu
Materials Today Proceedings, 2021
Application of TOPSIS for multi response optimization of Process Parameters in dry hard turning of AISI 52100 steel
P. UMAMAHESWARRAO, D. RANGARAJU, K. N. S. SUMAN, B. RAVISANKAR
Incas Bulletin, 2021
A Review on Submerged Friction Stir Welding of Light Weight Alloys
M. Sucharitha, B. Ravi Sankar, P. Umamaheswarrao
Iop Conference Series Materials Science and Engineering, 2020
Multi objective optimal scheme for machinability aspects of Al6061-SiCp metal matrix composite during end milling-a hybrid approach
B.Ravi Sankar, P. Umamaheswarrao
Materials Today Proceedings, 2020
Experimental investigations on machining force in turning of AZ91D magnesium alloy using PCBN tools
P. Umamaheswarrao, B. Ravi Sankar, T. Nancharaiah
Materials Today Proceedings, 2020
Experimental investigations on the effect of tool rotational speed on mechanical properties and microstructure of friction stir welded AZ31 Mg alloy
M. Sucharitha, B. Ravi Sankar, P. Umamaheswarrao
Materials Today Proceedings, 2020
Multi objective optimization of joining dissimilar AA5083& AA6061 alloys using friction stir welding-integrated Taguchi and grey systems approach
B. Ravi Sankar, P. Umamaheswarrao, K. Rajasekhara Babu, M. Pardhasaradhi
Materials Science Forum, 2020
Experimental investigations on the influence of cutting and tool geometry parameters over the machinability of aisi 52100 steel in hard turning
International Journal of Modern Manufacturing Technologies, 2020
Multi-response Optimization of End Milling on Al6061–Sicp Metal Matrix Composite–Hybrid GRA-PCA Approach
B. Ravi Sankar, P. Umamaheswarrao
Lecture Notes on Multidisciplinary Industrial Engineering, 2019
Multi objective optimization of process parameters of Al 6061-SiCp metal matrix composite in end milling-Hybrid GRA-PCA approach
P. Umamaheswarrao, B. Ravi Sankar, T. Nancharaiah
Materials Today Proceedings, 2019
Achieving optimal parametric combination for aisi 52100 steel hard turning with multiple performance characteristics using integrated RSM and GRA-PCA
International Journal of Modern Manufacturing Technologies, 2019
A brief note on the application of surface defect machining for hard turning
P. Umamaheswarrao, D. Ranga Raju, KNS Suman, B. Ravi Sankar
Materials Today Proceedings, 2019
Achieving optimal process parameters during hard turning of aisi 52100 bearing steel using hybrid gra-pca
P. Umamaheswarrao, D. Ranga Raju, K.N.S. Suman, B. Ravi Sankar
Key Engineering Materials, 2019

RECENT SCHOLAR PUBLICATIONS

Enhanced Solar Desalination Using Natural Dolomite-Integrated PCM and MWCN Thermal Storage: An Experimental Study
K RL, R Petla, P Anchupogu, U P, R Satya Meher, V Dunna
Advances in Design, Materials, Manufacturing, and Surface Engineering (ADMMS … , 2026
2026
Sustainable Borassus Biomass Derived Catalyst for Biodiesel Production: An Integrated Optimization and Prediction Approach Using RSM and Machine Learning
A Praveen, MV Teja, M Katamaneni, VT Chand, P Chengareddy, ...
BioEnergy Research 18 (1), 118 , 2025
2025
Citations: 3
Development and characterisation of B2-cobalt aluminide particles reinforced aluminium composites
D Srinu, N Kisku, D Vijay Praveen, R Mohammed, P Umamaheswar Rao, ...
Canadian Metallurgical Quarterly, 1-12 , 2025
2025
Development and Characterization of Sustainable Particles Reinforced AA-7075 Hybrid Metal Matrix Composites
DV Praveen, P Umamaheswarrao, BR Sunil, S Krugon, YN Babu
International Journal of Engineering Research in Africa 74, 1-15 , 2025
2025
Citations: 2
Experimental investigations and optimization of process parameters using COPRAS method during laser beam machining of Hardox-400 spur gears
DV Praveen, PU Rao, T Nancharaiah, S Krugon, YN Babu, GC Naidu, ...
International Journal on Interactive Design and Manufacturing (IJIDeM) 19 (4 … , 2025
2025
Citations: 3
Role of ReinfoRcements on mechanical and WeaR BehaviouR of aZ91d hyBRid composites
Y Narendra Babu, D Vijay Praveen, P Umamaheswarrao, B Ratna Sunil, ...
Archives of Metallurgy and Materials, 1003-1009-1003-1009 , 2025
2025
Hardening Characteristics of 16MnCr5 Metals for Engine Block
S Baskar, M Megaraj, K Manjunathan, M Chandrasekaran, M Anish, ...
2024 2nd International Conference on Emerging Trends in Engineering and … , 2024
2024
Citations: 1
Combined effect of hydrogen and with Julifora biodiesel blend (JFB20) on the combustion, performance and emission characteristics of a direct-injection diesel engine
P Anchupogu, RL Krupakaran, S Venkateswarlu, S Satish, ...
Materials Today: Proceedings 102, 236-240 , 2024
2024
Citations: 10
Multi objective optimization of process parameters in hard turning of AISI 52100 steel with surface irregularities using GRA-PCA
U Ponugoti, NSS Koka, RR Dantuluri
Engineering Research Express 5 (4), 045010 , 2023
2023
Citations: 4
Optimization of LASER beam machining process parameters of HSLA steel using MOORA
DV Praveen, P Umamaheswarrao, A Suresh, S Musharaf, S Praveen, ...
Advanced Materials Research 1178, 23-31 , 2023
2023
Citations: 4
Multi-objective optimization of process parameters during friction stir welding of similar AA6061 using MOORA
DVP P.Umamaheswarrao
Incas Bulletin 15 (3), 127-137 , 2023
2023
Citations: 3
Desirability function analysis based multi response optimization of process parameters during friction stir welding of AA6061-AA7075
P Umamaheswarrao
Incas Bulletin 15 (2), 121-131 , 2023
2023
Citations: 6
Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications
SK D.Vijay Praveen, P.Umamaheswarrao, Y.Narendra babu
Silicon , 2023
2023
Citations: 7
Multi-response optimization of process parameters during friction stir welding of AA2014-AA7075 using TOPSIS Approach
P Umamaheswarrao
Incas Bulletin 15 (1), 107-117 , 2023
2023
Citations: 8
Grey Relational Analysis and Principal Component Analysis based optimization of process parameters in turning of EN-8 Steel
CHL Srinivas, PU Rao, T Srinag, MC Sekhar
Incas bulletin 14 (2), 43-51 , 2022
2022
Citations: 2
Machining force comparison for surface defect hard turning and conventional hard turning of AISI 52100 steel
BRS P.Umamaheswarrao, D.Ranga Raju, K.N.S. Suman
INCAS BULLETIN 13 (3), 205-214 , 2021
2021
Citations: 3
Application of TOPSIS for multi response optimization of Process Parameters in dry hard turning of AISI 52100 steel
BRS P.Umamaheswarrao, D.Ranga Raju, KNS Suman
Incas Bulletin 13 (1), 211-224 , 2021
2021
Citations: 9
Experimental investigations on the effect of tool rotational speed on mechanical properties and microstructure of friction stir welded AZ31 Mg alloy
M Sucharitha, BR Sankar, P Umamaheswarrao
Materials Today: Proceedings 46, 3455-3459 , 2021
2021
Citations: 16
Experimental study on drilling force during drilling of AZ91D magnesium alloy
P Umamaheswarrao, BR Sankar, M Pardhasaradhi, K Rajasekharababu
Materials Today: Proceedings 44 (1), 305-308 , 2021
2021
Citations: 7
Experimental investigations on machining force in turning of AZ91D magnesium alloy using PCBN tools
P Umamaheswarrao, BR Sankar, T Nancharaiah
Materials Today: Proceedings 39, 1206-1209 , 2021
2021
Citations: 5

MOST CITED SCHOLAR PUBLICATIONS

Multi objective optimization of Process parameters for hard turning of AISI 52100 steel using Hybrid GRA-PCA
BRS P.Umamaheswarrao, D.Ranga Raju, KNS Suman
Procedia Computer Science 133, pp.703-710 , 2018
2018
Citations: 60
Modelling and Optimisation of Friction Stir Welding on AA6061 Alloy
PU B. Ravi Sankar
Materials Today: Proceedings 4 (8), 7448–7456 , 2017
2017
Citations: 44
Optimization of Milling Process on Jute Polyester Composite using Taguchi based Grey Relational Analysis coupled with Principle Component Analysis
GKC B.Ravi Sankar, P.Umamaheswarrao, V.Srinivasulu
Materials Today Proceedings 2, 2522–2531 , 2015
2015
Citations: 34
TOPSIS Based optimization of Process Parameters While Hard Turning of AISI 52100 Steel
BRS P.Umamaheswarrao,D.Ranga Raju, KNS Suman
Acta Mechanica Malaysia 2 (2), 28-31 , 2019
2019
Citations: 27
Multi objective optimization of CFRP Composite Drilling Using Ant Colony Algorithm
PU B.Ravi Sankar
Materials Today:Proceedings 5 (2), 4855-4860 , 2018
2018
Citations: 26
Analysis of forces during hard turning of AISI 52100 steel using Taguchi method
BR Sankar
Materials Today: Proceedings 4 (2), 2114-2118 , 2017
2017
Citations: 21
Optimizing cutting parameters in hard turning of AISI 52100 steel using topsis approach
BRS Ponugoti UMAMAHESWARRAO, D. RANGA RAJU, Koka Naga Sai SUMAN
Journal of Mechanical and Energy Engineering 3 (3), 227-232. , 2019
2019
Citations: 19
Optimisation of hardness and tensile strength of friction stir welded AA6061 alloy using response surface methodology coupled with grey relational analysis and principle …
PU B. Ravi Sankar
International Journal of Engineering, Science and Technology 7 (4), 21-29 , 2015
2015
Citations: 19
Experimental investigations on the effect of tool rotational speed on mechanical properties and microstructure of friction stir welded AZ31 Mg alloy
M Sucharitha, BR Sankar, P Umamaheswarrao
Materials Today: Proceedings 46, 3455-3459 , 2021
2021
Citations: 16
Drilling of Composite Laminates-A Review
BR Sankar, P Umamaheswarrao, AVA Reddy, PK Kumar
Journal of Basic and Applied Engineering Research 1 (3), 19-24 , 2014
2014
Citations: 14
A review on submerged friction stir welding of light weight alloys
M Sucharitha, B Ravi Sankar, P Umamaheswarrao
IOP Conference Series: Materials Science and Engineering 954 (1), 012014 , 2020
2020
Citations: 13
Hybrid optimal scheme for minimizing machining force and surface roughness in hard turning of AISI 52100 steel
P Umamaheswarrao, DR Raju, KNS Suman, BR Sankar
Int J Eng Sci Technol 11 (3), 19-29 , 2019
2019
Citations: 13
Combined effect of hydrogen and with Julifora biodiesel blend (JFB20) on the combustion, performance and emission characteristics of a direct-injection diesel engine
P Anchupogu, RL Krupakaran, S Venkateswarlu, S Satish, ...
Materials Today: Proceedings 102, 236-240 , 2024
2024
Citations: 10
Multi objective optimization of process parameters of Al 6061-SiCp metal matrix composite in end milling-Hybrid GRA-PCA approach
P Umamaheswarrao, BR Sankar, T Nancharaiah
Materials Today: Proceedings 26, 696-700 , 2020
2020
Citations: 10
Achieving optimal process parameters during Hard Turning of AISI 52100 Bearing Steel using Hybrid GRA‐PCA
BRS P.Umamaheswarrao, D.Ranga Raju, KNS Suman
Key Engineering Materials 818, 87-91 , 2019
2019
Citations: 10
Application of TOPSIS for multi response optimization of Process Parameters in dry hard turning of AISI 52100 steel
BRS P.Umamaheswarrao, D.Ranga Raju, KNS Suman
Incas Bulletin 13 (1), 211-224 , 2021
2021
Citations: 9
Multi-response optimization of process parameters during friction stir welding of AA2014-AA7075 using TOPSIS Approach
P Umamaheswarrao
Incas Bulletin 15 (1), 107-117 , 2023
2023
Citations: 8
Microstructural, Mechanical and Wear Characterization of AA-2219/ Si3N4/ZrO2/Graphite Hybrid Composites for Automotive Applications
SK D.Vijay Praveen, P.Umamaheswarrao, Y.Narendra babu
Silicon , 2023
2023
Citations: 7
Experimental study on drilling force during drilling of AZ91D magnesium alloy
P Umamaheswarrao, BR Sankar, M Pardhasaradhi, K Rajasekharababu
Materials Today: Proceedings 44 (1), 305-308 , 2021
2021
Citations: 7
Multi objective optimal scheme for machinability aspects of Al6061-SiCp metal matrix composite during end milling-a hybrid approach
BR Sankar, P Umamaheswarrao
Materials Today: Proceedings 21, 1260-1264 , 2020
2020
Citations: 7