Publications & Patents

Harshavardhan Babu Namburi, Aashish Goyal, Tukaram Suryawanshi, Mothivel 
Process innovation in the chemical, food, pharma and consumer good industries has become increasingly dependent on modeling. High fidelity computational models are being regularly used to evaluate novel process concepts and designs. 

Lars Hovda; Dan Mueller; Amal Phadke; Harald Nevoey; Praveen Gonuguntla
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, Galveston, Texas, USA, March 2024.
Paper Number: SPE-217690-MS

Authors: C. A. Malbrel; R. Kale; J. Agarwal; K. Gohari
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, Lafayette, Louisiana, USA, February 2024.
Paper Number: SPE-217843-MS

L Hovda, JC Stevens, D Mueller, A Phadke, P Gonuguntla 

Authors: Srinu Nagireddi, Jatin R. Agarwal, Damodaran Vedapuri

This Review provides an in-depth overview of carbon dioxide (CO2) capture, utilization, and sequestration (CCUS) technologies and their potential in global decarbonization efforts. This publication is licensed under CC-BY-NC-ND 4.0
Copyright © 2023 The Authors. Published by American Chemical Society

Lars HOVDADan MuellerJames C. StevensAmal PHADKEPraveen GONUGUNTLA
US20230332480A1

Rick WATTSStein HAAVARDSTEINLars HOVDAJames C. StevensDan MuellerBrett BORLANDAmal PHADKEPraveen GONUGUNTLA
US20230228173A1

Lars HOVDADan MuellerJames C. StevensAmal PHADKEPraveen GONUGUNTLA
US11686175B2

Rick WATTSStein HAAVARDSTEINLars HOVDAJames C. StevensDan MuellerBrett BORLANDAmal PHADKEPraveen GONUGUNTLA
US11608718B2

Amal C. Phadke; Lars Hovda; Praveen Gonuguntla
Paper presented at the SNAME 28th Offshore Symposium, Houston, Texas, March 2023.
Paper Number: SNAME-TOS-2023-014

P Dongaonkar, MM Boopathy, G Kasat, D Vedapuri, V Ranade, K Madane

Prerak Dongaonkar1, Mothivel Mummudi Boopathy, Gopal Kasat, Damodaran Vedapuri, Vivek Ranade and Ketan Madane
Enhancing resource efficiency and decarbonisation are global priorities of the manufacturing sector. There is a significant excitement about digitalisation, Industry 4.0 and their impact on manufacturing in process industries.

R Watts, S Haavardstein, L Hovda, JC Stevens, D Mueller, B Borland, ... 
US Patent 11,136,862 

Alfred Berchielli1, Ismail Anifowoshe2, Sandra Conway3, Pankaj Doshi4, Naomi Hodgins3, Reza Kamyar2, Peiyuan Liu5, Bruce C. MacDonald1, Zilong Wang2, Gopal Kasat6, Mothivel Mummudi Boopathy6, Parth Sinha6 and Andreas Altmeyer7
In the current study, a coupled CFD-DEM model is developed to understand the impacts of coater hardware and process parameters on the inter-tablet coating variability in an L.B. Bohle tablet coater.

Eric Murphy¹, Kushal Sinha¹, Mothivel Mummudi Boopathy², Rahul Bharadwaj³, Viraj Vilas Belekar⁴, Shankar Subramaniam⁴ and Nandkishor (Nandu) Nere⁵

^{In this work, we present several computational approaches to investigate the physics present in the spatially varying local environments within AFDs, such as the heat transfer, gas-liquid phase change, mixing, agglomeration and attrition.}

Mothivel Mummudi Boopathy, James Brigman
Tools for data collection and analysis on a massive scale have been driving force in development of Big Data analytics in many fields. Data-driven approaches such as data-mining, multivariate analysis, machine learning etc. allow for robust models and are aided by fast parallel computational tools such as Hadoop and Spark.

Mothivel Mummudi Boopathy, Gopal Kasat, Murtja Khan
Computational models have become an integral part of the modern chemical engineer's toolkit. Such models are very powerful in representing and simulating the fundamental physics of a given process. 

S Ramaswamy, MM Boopathy 

R. Venkatesan; R. Tanti; V. Subramani; D. Vedapuri; E. Akparu; K. Johnson
Paper presented at the 11th North American Conference on Multiphase Production Technology, Banff, Canada, June 2018.
Paper Number: BHR-2018-169

Hariprasad J. Subramani; Krishnaraj Sambath; Lee D. Rhyne; Pankaj Nadge; Damodaran Vedapuri
Paper presented at the Offshore Technology Conference, Houston, Texas, USA, May 2017.
Paper Number: OTC-27900-MS

Hariprasad J. Subramani; Lee D. Rhyne; Damodaran Vedapuri
Paper presented at the Offshore Technology Conference-Asia, Kuala Lumpur, Malaysia, March 2014.
Paper Number: OTC-24944-MS

DC Bookbinder, BL Harper, MB Mummudi-Boopathy, P Tandon 

Hariprasad J. Subramani; Lee D. Rhyne; Praveen Kumar Gonuguntla; Vikramraja J. Subramani; Damodaran Vedapuri
Paper presented at the SPE Annual Technical Conference and Exhibition, Dubai, UAE, September 2016.
Paper Number: SPE-181271-MS

D. Vedapuri
Paper presented at the 9th North American Conference on Multiphase Technology, Banff, Canada, June 2014.
Paper Number: BHR-2014-D2
Published: June 11 2014

Praveen G. Kumar; Byron R.J. Smith; Damodaran Vedapuri; Hariprasad J. Subramani; Lee D. Rhyne
Paper presented at the CORROSION 2014, San Antonio, Texas, USA, March 2014.
Paper Number: NACE-2014-3964

Praveen Kumar, Amarvir Chilka and Damodaran Vedapuri
Efficient operations of Refinery processes rely on optimal flow distribution, fluid mixing and phase separation. Poor flow, mixing or separation bottlenecks a process, reduces its efficiency and can result in frequent shut downs for maintenance. 

Description:

We are seeking an experienced Senior Process Chemist with strong expertise in crystallization processes and hands-on laboratory experience using glassware reactor systems. The ideal candidate should have practical knowledge of process development, experimentation, troubleshooting, and laboratory studies involving crystallization, mixing studies, filtration, drying, solvent switching, and distillation.

The role requires strong laboratory execution capability, excellent communication skills, and the ability to independently drive experimental programs and report findings effectively.

Job Responsibilities:

• Design and execute laboratory experiments using glassware setups such as reactors, condensers, distillation assemblies, filtration units, and drying systems.
• Develop and optimize crystallization processes for yield, purity, particle size, and reproducibility.
• Perform mixing studies to evaluate agitation efficiency, blending uniformity, heat transfer, and mass transfer.
• Conduct laboratory studies involving filtration, drying, solvent switch, and distillation.
• Conduct process feasibility studies, route evaluations, and parameter optimization.
• Troubleshoot process issues observed during lab studies and plant trials.
• Prepare batch procedures, SOPs, and technical reports.
• Maintain accurate experimental records, observations, and analytical data.
• Submit daily progress reports, experiment updates, observations, and action plans to the reporting manager.
• Present findings and recommendations clearly to management and cross-functional teams.
• Collaborate with production, QA, QC, and engineering teams.
• Ensure safe handling of chemicals, solvents, and laboratory equipment.

Required Qualifications

• M.Sc. / Ph.D. in Chemistry, Organic Chemistry, etc. related field.
• 4+ years of relevant experience in chemical / pharma / specialty chemical industries.
• Strong hands-on laboratory experience in glassware-based process development.
• Practical expertise in:
• Crystallization
• Mixing Studies
• Filtration
• Drying
• Solvent Switching
• Distillation
• Strong verbal and written English communication skills.
• Good understanding of process safety and quality systems.

Preferred Skills

• Expertise in crystal form control, polymorphism, and particle engineering.
• Understanding of agitation systems and impeller selection.
• Familiarity with analytical techniques such as HPLC, GC, KF, PSD, etc.
• Strong troubleshooting and documentation skills.
• Ability to prepare professional reports and presentations.
• Leadership ability and mentoring experience.

Industry Preference

• Pharma / API / Chemical / Specialty Chemicals / Fine Chemicals

Job Location:
Shirwal, Dist. – Satara. (Candidate should be willing to relocate)

Remuneration: 

• As per Market standards
• Details would be mentioned in Offer / Appointment Letter

Description:

We are seeking a passionate and detail-oriented Engineer to design, operate, and maintain large-scale experimental test facilities. The role involves hands-on experimental work, coordination with vendors, instrumentation development, and data analysis to support cutting-edge fluid flow and process engineering studies.

Job Responsibilities:

• Responsible for design and maintenance of large-scale experimental setup
• Perform design and feasibility calculations for test loops
• Co-ordinate with different vendors, subcontractors to supervise the construction of the test facilities
• Prepare PFD, P&ID for the test loops
• Discuss the test objectives with client and evolve an experimental plan/strategy
• Perform experiments using sophisticated measurement techniques such as High- Speed Photography, Ultrasound Velocity Profiles, Wire Mesh Sensor, etc
• Assist in development of instrumentation techniques such as Conductivity Probes, Isokinetic Probes, etc.
• Perform test as per the guidance of the facility manager
• Record and maintain experimental and utility data sheets
• Timely completion of experiments
• Trouble shooting and fixing of small issues on the loop
• Keeping track of day-to-day inventory required and raising early flags
• Effectively utilizing monthly loop expenses to ensure smooth loop running 
• Regularly calibrating all instruments on the loop and maintaining a data base
• Be active in planning and scheduling experiments along with facility manager
• Timely reporting of deliverable to client
• Communicate and present the updates on the work status
• Data QA/QC at first level  Data pre processing
• Experimental raw and pre-processed data management
• Follow safety norms while operating/monitoring experimental loop and utilities

Desired Skills:

• Proven project execution and delivery skills
• Experienced with conducting fluid flow experiments
• Good experimental / laboratory background
• Expertise in using Microsoft office or equivalent software
• Data acquisition systems and Data acquisition software like Labview,
• Preferably Conversant with scripts like Matlab, Python, VB
• Data processing skill is an additional advantage
• Communication and presentation skills

Education and Experience:
Masters in Mechanical engineering with an understanding of basic experimental knowledge, Basic fluid flow, heat and mass transfer understanding with 0 to 3 years’ experience.

Location:  Shirwal, Dist.- Satara 

• Candidate should be ready to stay in Shirwal as the position is required to work from Shirwal Office.
• Candidate should be ready for a 2-year commitment.

Description:

Interaction with customers and handling objections throughout the execution stage is a key part of this role. You will report to the CFD Team Project Manager and collaborate closely with our talented team.We are hiring! If you have a passion for engineering and technology and are eager to contribute to innovative projects, we would love to hear from you. Join us at Tridiagonal Solutions and be part of a team that drives excellence and delivers top-notch solutions to our clients.

Essential Duties and Key Competencies: 

• Deliver on combustion modeling projects using computational fluid dynamic-based formulations, from geometry preparation to simulation, post-processing, and report preparation.
• Use state-of-the-art commercial tools like Ansys-FLUENT and STAR-CCM+ for project delivery.
• Develop a strategy for combustion models and add complexity in a stage-wise manner, interpreting results for combustion systems and analyzing data.
• Ensure project success by delivering quality output in a timely manner, with the ability to work long hours as needed.
• Ensure correctness of simulations to avoid exceeding delivery timelines or planned hardware and software resources.
• Work with team members on geometry or mesh preparation, providing clear instructions as part of team efforts.
• Track and manage project progress in terms of deliverables and provide regular updates to the team manager.
• Take overall responsibility for customer engagement and attend all project meetings to ensure smooth delivery and customer success.
• Be open to working on non-combustion projects as per company requirements.
• Develop best practices for combustion simulations, including meshing practices, choice of turbulence model, initialization, schemes, and convergence strategies.
• Focus on advanced models such as LES and use of actual species with multiple levels of reactions, keeping track of new developments in commercial tools.
• Understand the integration with other tools and lower-order models to develop faster models and generate quick understanding of the system.
• Plan resources and write proposals for different combustion modeling problems.
• Guide and coach team members, scheduling calls with clients to ensure smooth communication.
• Define and solve CFD problems in the combustion space, with technical soundness in heat transfer, mass transfer, and reactions.

Education/Skills/Experience:

• Master’s (with four to eight years of experience) or PhD (with four year of experience) from Chemical/Mechanical or Aerospace engineering discipline from reputed Institute.
• Experience in performing CFD based combustion analysis is required. Experience with gas fired burners, pre heaters, boilers is preferred.

Location: Pune

Description:

We are seeking a highly motivated intern with a Master's degree in Mechanical Engineering to join our team for a period of six months. The primary focus of this position will be to explore and validate SIMCENTER 3D, a state-of-the-art simulation software suite developed by Siemens Digital Industries Software. The successful candidate will work closely with our team of engineers to validate the software, develop test cases, and create marketing material.  

Essential Duties and Key Competencies: 

• Explore and validate the capabilities of Simcenter 3D software & FEMAP software. 
• Develop test cases to evaluate the software's performance and accuracy 
• Create tutorials/marketing material to demonstrate the software's features and functionality 
• Work closely with our team of engineers to identify areas for improvement  
• Communicate progress and findings to the team leader 

Education/Skills/Experience:

• Graduation: B. E / B.Tech (Mechanical)
• Post Graduation: M. Tech (Mechanical)  
• Fresher with a Master's Degree in Mechanical Engineering 

Location: Pune

Duration: 6 Months - 1 year 

Description:

We are seeking a detail-oriented and proactive Proposal Engineer to lead the preparation of technical and commercial proposals. The role involves close coordination with multidisciplinary teams, client engagement for scope understanding, and supporting business development efforts through effective proposal management and vendor coordination.

Key Responsibilities:

• Prepare and submit techno-commercial proposals in line with client requirements, tender specifications, and project scope.
• Coordinate with teams including Civil, Electrical, Instrumentation, and Mechanical to gather inputs and ensure alignment of technical deliverables.
• Analyze RFQs/RFPs and understand project scope, technical specifications, and commercial requirements.
• Estimate and compile costing and commercials for equipment, materials, and services across all disciplines.
• Interact with clients to clarify scope, resolve queries, and ensure accurate and competitive proposal submissions.
• Organize and participate in client meetings, pre-bid meetings, and internal discussions for effective project planning and execution.
• Work closely with procurement and vendors to source quotations, evaluate offers, and ensure cost competitiveness.
• Develop and maintain strong vendor relationships for timely inputs and reliable pricing.
• Support business development and sales teams in proposal finalization and contribute towards successful order closure.
• Ensure proposals comply with company standards, quality requirements, and submission timelines.
• Maintain proper documentation of proposals, cost estimates, and client communications.

Key Skills & Competencies:

• Strong understanding of engineering disciplines (Piping, Civil, Electrical, Instrumentation, Mechanical).
• Good knowledge of techno-commercial evaluation and costing.
• Excellent communication and interpersonal skills for client and vendor interactions.
• Strong coordination and stakeholder management abilities.
• Ability to manage multiple proposals and meet tight deadlines.
• Proficiency in MS Office (Excel, Word, PowerPoint); experience with estimation tools is an advantage.

Qualifications & Experience:

• Bachelor’s degree in Engineering (Mechanical).
• 5–8 years of experience in proposal engineering, tendering, or estimation (preferably in EPC / Industrial projects).

Preferred Industry:

EPC / Oil & Gas / Energy / Infrastructure / Industrial Projects

Job Location:

Shirwal, Dist. – Satara. (Candidate should be willing to relocate)

Remuneration:

• As per Market standards
• Details would be mentioned in Offer / Appointment Letter

Description:

This position is for a Senior Project Engineer to conduct R&D studies in the mixing lab and also establish a crystallization lab. Working under the guidance of an Industry expert, this individual will conduct R&D studies in stirred tanks and flow reactors. The goal would be to help industry with process design and process development.

Job Responsibilities:

• Responsible for managing overall operations through effective planning, organizing, leading and controlling organizational resources.
• Liaison with business unit head and engineers responsible for experimentation on ground.
• Plan, develop and implement new strategies, policies and processes to increase efficiency, effectiveness, sustainability of operation, productivity of ground staff.
• Design & monitor policies, procedures, rules and regulations for the Business Unit to maximize output.
• Review, analyze activity reports and performance of departments to identify area of cost reduction and improve operations.
• Ensure optimum utilization of machinery, manpower and materials and achieve maximum productivity and profitability.
• Facilitate coordination and communication across different Teams, sharing of resources, etc.
• Handle client’s escalations and techno commercial queries along with the BU head.
• Manage process design activities associated with construction of pilot plants and provide inputs to freeze on the design and detailed specification of various components required for the project.

Overall Management of Pilot Laboratory:

• Drive Laboratory performance program through implementation of good laboratory practices.
• Make sure to implement all safety norms as needed.
• Implement lock out – tag out or other models as necessary.

Project Execution:

• Plan and execute projects within promised time scales and budgets.
• Understand the larger objectives of a given experimental project for better management of Engineers and technicians on ground.
• Train staff and follow safety procedures by conducting regular meetings.
• Evaluate infrastructure as per project requirement.
• Plan for unplanned situations to meet the timelines.
• Identify and highlight the gap between the existing capability/infrastructure and what is required for the new project.

Education Background:

B.E / M Tech in Chemical or Mechanical Engineering with 5+ years of experience working with Plant or Laboratory Operations of Mid-Sized Plant / Laboratory is must.

Desired Skills:

• Excellent verbal and written communication skills. Strong Presentation & Vendor Management skills.
• Able to work well under pressure. Planning the work and delivering to the timelines is critical.
• Need impeccable leadership and supervision skills, a strong work ethics, rules and regulations along with safety aspects. Management Proficiency is added advantage.
• Hands on experience in Equipment Maintenance, Training, Analyzing Information etc.
• Experience in green field projects (at least 1 or 2) would be an added advantage.

Job Location:

Shirwal, Dist. – Satara. Candidate should be either ready to relocate to Shirwal. Should be able to provide commitment for 36 months.

Remuneration:

• As per market standards
• Details would be mentioned in Offer / Appointment Letter