Products and Technologies Developed

Description: A LES solver has been developed and transferred to ADA to study the flow structures and associated acoustics pertaining to the unmanned air vehicle.

Description: A three-pad foil air bearing has been developed and designed as per the requirements of HAL for the air cycle machines in a air craft. An analysis of fluid flow and heat transfer has been carried out for the load bearing capacity and the technology was transferred to HAL. It was later fabricated and successfully tested in HAL.

Description: A cyclone separator as an antipollution device had been designed and installed in site to protect a Re-rolling Mill and Galvanizing Plant in Howrah District and SPM monitored was below the permissible level of the Government norms. 4. An Electronic Fuel Injection System for a 4-stroke Locomotive Diesel Engine of Indian Railways: An electronic fuel injection system for a 4-stroke, 16 cylinders, V-configuration, medium speed, large bore locomotive diesel engine was developed and successfully retrofitted on a rebuilt diesel locomotive by Engine Research Laboratory, IIT Kanpur and Engine Development Directorate, RDSO, Lucknow. A savings of 4% fuel consumption over the duty cycle was obtained. In addition there was an appreciable reduction in the smoke emissions during steady-state as well as transient operations.

Description: Diesel Vaporizer for preparing homogeneous mixture of diesel and air using waste heat from Engine Exhaust, which converts liquid diesel into diesel vapor. The application of this device is in achieving diesel HCCI (homogeneous charge compression ignition) combustion in internal combustion engines, which reduces NOx emissions and PM by more than 90% compared to baseline diesel engine.

Description: The Bio diesel pilot plant is designed and developed keeping in mind rural area application, where Bio diesel can be manufactured on-site for utilization, thus eliminating transport costs related to raw material and final product. The pilot plant is 25 Kg batch size and works on trans-esterification process. The plant can utilize acid based, alkali based and enzyme based trans-esterification.

Description: This design enables utilization of waste exhaust heat to precondition the vegetable oil by raising its temperature to a level, where the physical properties of vegetable oil come within a very narrow band of that of petroleum diesel fuel at room temperature. This system enables eﬀective utilization of straight vegetable oils without the problems such as injector coking, poor atomization, ring sticking and cylinder deposits.

Description: The development of a three-dimensional finite volume code and the efect of various parameters (both geometric and flow) on the heat transfer and flow structures constitute the thrust of the present proposal.
The specific objectives of the proposed project are:

Development of a three-dimensional unsteady turbulent computer code for simulating fluid flow and heat transfer
Study of effects of curvature of the serpentine channel, Reynolds number, rotation number and density ratio (buoyancy) of the flowing fluid, and orientation of the ribs and duct aspect ratio on the flow structures and heat transfer characteristics.

Description: The implementation of synthetic jet actuator for altering the near wall flow dynamics and reduction in drag (mainly frictional drag for a streamlined body) of underwater vehicle constitutes the thrust of the present proposal. This proposal is in continuation on the manoeuvrability of the underwater vehicle using synthetic jet.
The specific objectives of the proposed project are:

The implementation of a synthetic jet actuator for controlling the near wall flow structures.
The parametric study of drag reduction at various conditions such as angle of attack, flow speed etc.
The detailed study of flow physics using LIF/LDV technique. LIF will be used for the qualitative information while LDV will be employed for the quantitative information

Description: Holographic velocimetry for 3D velocity measurements in MEMS has been successfully developed.

Description: It is used to formulate micro-channels in polymers. The technique is designed by Shantanu Bhattacharya, Rajeev Kumar Singh, Bikramjeet Basu et.al, IITK, Dec. 2007. (Indian Patent)

Description: Developed by Anil B. Ghubade, Rajeev K. Singh, Shreya Ghoshdostidar, Deepak Singh, R. Gurunath, Shantanu Bhattacharya, (Indian Patent ), 2010.

Description: Developed by Ankur Gupta, Shashank Shekhar Pandey, Monalisha Nayak, Shantanu Bhattacharya, Indian Patent Pending, 2012.

Description: Developed by Shantanu Bhattacharya (West Lafayette, IN, US), Venumadhav Korampally (Columbia, MO, US) Shubhra Gangopadhyay (Columbia, MO, US) Keshab Gangopadhyay (Columbia, MO, US) Keshab Gangopadhyay (Columbia, MO, US) Sheila A. Grant (Columbia, MO, US) Steven B. Kleiboeker (Lee'S Summit, MO, US) Yuanfang Gao (Columbia, MO, US), Application number: 12/097,516, Publication number: US 2009/0148910 A1, Filing date: Dec 15, 2006. Date of allowance of claims: Jan 6th , 2012.

Description: Developed by Shubhra Gangopadhyay (Columbia, MO, US) Steven Apperson (Columbia, MA, US) Keshab Gangopadhyay (Columbia, MO, US) Andrey Bezmelnitsyn (Columbia, MO, US) Rajagopalan Thiruvengadathan (Columbia, MO, US) Michael Kraus (Columbia, MO, US) Rajesh Shende (Rapid City, SD, US) Maruf Hossain (Columbia, MO, US) Senthil Subramanian (San Diego, CA, US) Shantanu Bhattacharya (Columbia, MO, US) Yuangang Gao (Boulder, CO, US), Patent number: 8066831, Filing date: Oct 27, 2006 Issue date: Nov 29, 2011, Application number: 12/083,985

Description: Abrasive Flow Machining Machine developed by CMTI Bangalore and IIT Kanpur (available for sales and got a lot of appreciation in the Expo held at Bangalore).

Description: Nano-finishing technology developed for HAL Kanpur for nano-finishing of Helicopter Bearing in-house to relax the dependence at foreign countries.

Description: Bhabha Atomic Research Center project on "Nano-finishing of sculptured / free form surfaces" using Magneto-rheological Fluid based finishing technologies.

Description: MHMIC have been traditionally manufactured using lithographic techniques. These involve use of several chemicals and wet processing. Some manufacturers (Polygrames Research Center, for example) have also used lasers to fabricate MHMICs, through a direct write process that does not have a high throughput. We are exploring the use of excimer laser through mask projection techniques for fabrication of thin film MHMICs. It has been demonstrated that it is possible to keep the size of the ablated region close to the design and to obtain clean ablation at the edges. Printing (by removal of metal film) of passive elements is, thus, possible by using excimer laser.

Description: Wheelchairs are extensively used by disabled people to enhance their personal mobility. "Vardaan" facilitates climbing up and down the stairs by using an innovative 'Y' shaped wheel that provides better grip and optimum braking along with a ratchet and a braking system. The design makes use of the fact that people with lower limb disability have high upper body strength and therefore pulling / pushing the ratchet lever can be conveniently operated by them.

Description: Application of vortex generators and oval tubes to enhance performance of air-cooled condensers for geothermal power plant and other heat exchangers, NEDO-Japan; other investigators: Dr. M.S. Sohal and Dr. J.E. O'brien (Idaho National Laboratory, USA) and Prof. Kahoru Torii (Yokohama National University, Japan). The project report is available on the INL website and can be accessed by anyone with web access. The website is www.geothermal.id.doe.gov/publications/ext-627_9-29-05.pdf

Description: The implementation of synthetic jet actu-ator for altering the near wall flow dynamics and reduction in drag (mainly frictional drag for a streamlined body) of underwater vehicle constitutes the thrust of the present proposal. This proposal is in continuation on the maneuverability of the underwater vehicle using synthetic jet. The specific objectives of the proposed project are:

The implementation of a synthetic jet actuator for controlling the near wall flow structures.
The parametric study of drag reduction at various conditions such as angle of attack, flow speed etc.
The detailed study of flow physics using LIF/LDV technique. LIF will be used for the qualitative informa-tion while LDV will be employed for the quantitative information

Description: Sponsored Projects from Ministry of Defence, GATET, 2010-2014 for the following objectives:

"Large-eddy simulation of transitional flow over a low pressure turbine blade", Valuation Rs. 42.24 Lakhs.
"A study of the eﬀects of wake passing on turbine blade film cooling", Valuation Rs. 54.869 Lakhs.
"Numerical simulations of flow and heat transfer around film-cooled gas turbine blades with diﬀerent turbulence models", Valuation Rs. 42.24 Lakhs.

Our work has contributed to increase the understanding and hopefully directly/indirectly to the advancement of HP/LP turbine design. We have produced novel results (experimental results in conjunction with numerical studies) that would contribute positively to the existing knowledge base in the field. The research planned is not limited to the unsteady turbo machinery flows, but also very general in turbulence research and flow visualization. LES Solver developed will be used by GTRE for the turbine design and also transferred to ADA to study the flow structures and associated acoustics pertaining to the unmanned air vehicle.

Description: This is sponsored by Bhabha Atomic Research Center, Government of India, Time schedule: 2009-2012; Term - 3 years, Role: Principal investigator, Summary of work: Development of eﬃcient compact heat exchangers is a vital need in view of the ever increasing energy crisis. In this work, novel and unique generic designs of compact heat exchangers were proposed, especially for use in nuclear safety applications, which were based on a Pulsating Heat Pipe (PHP) concept. Comprehensive thermal characterization of the new compact heat exchangers was undertaken.

Description: An electronic fuel injection system for a 4-stroke, 16 cylinders, V-configuration, medium speed, large bore locomotive diesel engine was developed and successfully retrofitted on a rebuilt diesel locomotive by Engine Research Laboratory, IIT Kanpur and Engine Development Directorate, RDSO, Lucknow. A savings of 4% fuel consumption over the duty cycle was obtained. In addition there was an appreciable reduction in the smoke emissions during steady-state as well as transient operations.

Description: Diesel Vaporizer for preparing homogeneous mixture of diesel and air using waste heat from Engine Exhaust, which converts liquid diesel into diesel vapour. The application of this device is in achieving diesel HCCI (homogeneous charge compression ignition) combustion in internal combustion engines, which reduces NOx emissions and PM by more than 90.

Description: Holographic velocimetry for 3D velocity measurements in MEMS has been successfully development using external funding and Ph.D. thesis work.

Description: It is funded by IGCAR, Kalpakkam.

Description: It is funded by funded by Department of Science and Technology (DST).

Description: It is under a project funded by Indira Gandhi Center for Atomic Research (IGCAR).

Description: Design and development of India's first nanosatellite, JUGNU, launched from Sriharikota on Oct 12, 2012 (with ISRO).

Description: Successful completion and transfer of technology in the TECHNOLOGY MISSION FOR RAILWAY SAFETY, involving a dozen projects like SIMRAN, Derailment Detection Devices, WILD etc (with RDSO Lucknow).

Description: It is developed and installed for the first time in the country in Super Thermal Power Station, Ropar, and Punjab (with CSIO Chandigarh and BHEL Hyderabad).

Description: Development of the first commercially viable MEMS based Pressure Sensors in the country for Automotive Applications, under the NPMASS (with SCL Chandigarh and Pricol Coimbatore). The monthly requirement is over 55,000.

Description: It is funded by Naval Research Board

Description: The study has been done using analytical, numerical and experimental approaches.

Description: Not Available