Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sarma A"'
Publikováno v:
IndraStra Global.
Early Direct Injection (EDI) in diesel engines with multiple injections has the potential to simultaneously reduce Nitrogen Oxide (NOx) and soot. The current work involved carrying out three-dimensional Computational Fluid Dynamic (CFD) simulations a
Publikováno v:
IndraStra Global.
Towards the objective of achieving benefits of the Premixed Charge Compression Ignition (PCCI) mode in a multi-cylinder, turbocharged, common-rail, direct-injection, heavy-duty diesel engine, simulations were first conducted to assess improvement in
Autor:
John H. Durrell, V.S. Sarma, O de Haas, Jens Freudenberger, B. Holzapfel, Albert Güth, Ruben Hühne, Thomas Thersleff, J. Eickemeyer, Ludwig Schultz, M Weigand
Publikováno v:
IndraStra Global.
An epitaxial Y2O3/YSZ/CeO2 buffer architecture has been prepared on cube textured Ni-5at.%W, Ni-7.5at.%W and Ni-9at.%W tapes using pulsed laser deposition. The buffer layer growth was studied in detail and revealed a good texture transfer throughout
Publikováno v:
IndraStra Global.
Microstructure and mechanical properties of gas-tungsten-arc (GTA)-welded Ti-15V-3Cr-3Sn- 3Al alloy in direct current electrode negative mode are characterized. The thermal profile was measured during welding with continuous current (CC) and pulsed c
Publikováno v:
IndraStra Global.
A new ultrahigh strength low alloy steel 0.3C–CrMoV(ESR), having an ultimate tensile strength and 0.2% proof strength of above 1,700 and 1,500 MPa, respectively, in quenched and tempered condition, was developed primarily as a cost effective materi
Publikováno v:
IndraStra Global.
Selective Control of HOD photodissociation has been investigated using simple field profiles. Initial results indicate that preferential dissociation of O–H bond may be achieved from the ground vibrational state and that the O–D bond can be selec
Publikováno v:
IndraStra Global.
We report the synthesis of fixed-size ZnS nanoclusters ~24 A in diameter with varying manganese concentrations. Various samples of $Zn_{1-x} Mn_x S$, with x = 0, 0.02, 0.055, 0.09, and 0.13, have been prepared and characterized using X-ray diffractio
Autor:
S. Radhakrishna, R.V.G.K. Sarma
Publikováno v:
IndraStra Global.
For the quaternary fast ion conducting system AgI-Ag 2 O-B 2 O 3 -WO 3 highest ionic conductivity was observed for the composition 60AgI-20Ag 2 O-20(0.1B 2 O 3 -0.9WO 3 ). This composition was used in the fabrication of solid state electrochemical ce