Department of Mechanical Engineering - New Delhi
About Department of Mechanical Engineering
Film boiling over a circular cylinder has been studied under saturation conditions in the mixed regime that is characterized by a combined influence of buoyancy and flow inertia at low magnitudes of the Froude number (Fr). Liquid-vapour interface evolution and the ensuing vapour wake dynamics together with heat transfer have been determined through a computational framework developed in-house for phase change problems on two-dimensional unstructured grids using a CLSVOF interface capturing method. The problem has been studied for both upward and horizontal liquid cross-flow separately, and the effect of cross-flow orientation with respect to gravity has been shown to be non-trivial in the mixed regime. The figures shown here correspond to orthogonal gravity and flow fields. These represent (clockwise) the schematic of the physical situation, interface evolution (〖Ja〗_v⁄〖Pr〗_v =1.2, 〖Re〗_l=170, D⁄(λ_o=1)), instantaneous view of streamlines (〖Ja〗_v⁄〖Pr〗_v =0.6, 〖Re〗_l=100, D⁄(λ_o=1)), and instantaneous non-dimensional vorticity contours (〖Ja〗_v⁄〖Pr〗_v =0.6, 〖Re〗_l=170, D⁄(λ_o=2.5)), with near critical water as the boiling fluid.
Contact details:Prof. B. Premachandran
Department of Mechanical Engineering
Relevant publications:
- Nikhil Kumar Singh, B. Premachandran (2018). Mixed regime of film boiling over a horizontal cylinder in an upward flow of saturated liquid. Physics of Fluids, 30(12), 122101.
- Nikhil Kumar Singh, B. Premachandran (2019). Saturated film boiling over a circular cylinder subjected to horizontal cross-flow in the mixed regime. Physics of Fluids, 31(8), 082109 (Editor’s pick article).
Contact Department of Mechanical Engineering
| Address : | IIT Delhi Main Rd, IIT Campus, Hauz Khas, New Delhi, Delhi 110016, India |
| Phone : | 📞 +99 |
| Postal code : | 110016 |
| Website : | http://mech.iitd.ac.in/ |
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Ravi Raj Kamal on Google
★ ★ ★ ★ ★ not a cup of tea to go there
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sumeet kapoor on Google
★ ★ ★ ★ ★ Good department with excellent facilities
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Ashwani Sharma on Google
★ ★ ★ ★ ★ Nice
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Dev Sharma on Google
★ ★ ★ ★ ★ Working here very nice place n staff members are also good
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ajay bhartiya on Google
★ ★ ★ ★ ★ Best core engineering department. production engineering is speciality of this department.You may not find such a qualified faculty anywhere else in this world.
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osho enlightened on Google
★ ★ ★ ★ ★ Good to say for looking but I am visitor here once
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Praveen Kumar on Google
★ ★ ★ ★ ★ Great and supportive Professors if student willing to put in hard work.
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Pradeep kumar on Google
★ ★ ★ ★ ★ Every lab is full of well maintained equipments. you are at the best place of mech engg in India.
Requirement is only curiosity to learn.
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