1.

Technical Paper
Technical Paper
1. Investigation of drag reduction on a two-dimensional circular cylinder by ejecting a jet from the rear stagnation region
Atsuchi, S. ; Tiwari, S.N. ; Kalburgi, V.
Pub. info.: AIAA paper.  pp.1-16,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
2.

Technical Paper
Technical Paper
2. Thermodynamic analysis of an unsteady 3D human thermal model
Boregowda, S.C. ; Tiwari, S.N. ; Chaturvedi, S.K. ; Hou, G.J-W.
Pub. info.: AIAA paper.  pp.1-9,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
3.

Technical Paper
Technical Paper
3. Evaluation of effective thermal conductivity in human peripheral tissue regions
Boregowda, S.C. ; Morris, J.D. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-10,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
4.

Technical Paper
Technical Paper
4. Tropospheric water vapor climatology
Larsen, J.C. ; Tiwari, S.N. ; Chu, W.P.
Pub. info.: AIAA paper.  pp.1-5,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1997
5.

Technical Paper
Technical Paper
5. On the characteristics of turbulent multiple jets diffusion flame: part I, cold flow
Alfahaid, A.F. ; Mohieldin, T.O. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-11,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1997
6.

Technical Paper
Technical Paper
6. Numerical simulation of human thermoregulation in different environmental conditions
Boregowda, S.C. ; Tiwari, S.N. ; Chaturvedi, S.K. ; Hou, G.J-W. ; Morris, J.D.
Pub. info.: AIAA paper.  pp.1-18,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1997
7.

Technical Paper
Technical Paper
7. A dimensionally consistent theory for unsteady periodic instabilities in Blasius boundary layers
Kalburgi, V. ; Bobbitt, P.J. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-12,  1996.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1996
8.

Technical Paper
Technical Paper
8. Effect of various flow and physical parameters on stability of shock-induced combustion
Ahuja, J.K. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-15,  1996.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1996
9.

Technical Paper
Technical Paper
9. Heat transfer modeling of human thermoregulation in aerospace environment control systems
Boregowda, S.C. ; Tiwari, S.N. ; Chaturvedi, S.K.
Pub. info.: AIAA paper.  pp.1-18,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1997
10.

Technical Paper
Technical Paper
10. Error analysis of the SAGE II water vapor data
Larsen, J.C. ; Chu, W.P. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-7,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1997
11.

Technical Paper
Technical Paper
11. Radiative interactions in supersonic flows of premixed hydrogen in expanding nozzles
Tiwari, S.N. ; Pidugu, S.B. ; Mohieldin, T.O.
Pub. info.: AIAA paper.  pp.1-14,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1999
12.

Technical Paper
Technical Paper
12. Experimental and numerical investigation of lift-off and blow-off limits of subsonic methane diffusion flame
Tiwari, S.N. ; Mohieldin, T.O. ; Comer, K.S. ; Kheireddine, A.S. ; Chaturvedi, S.K.
Pub. info.: AIAA paper.  pp.1-13,  1996.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1996
13.

Technical Paper
Technical Paper
13. A test plan for the investigation of human thermoregulation in microgravity environment
Boregowda, S.C. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-9,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
14.

Technical Paper
Technical Paper
14. On the characteristics of turbulent multiple jets diffusion flame: part II, reactive flow
Alfahaid, A.F. ; Mohieldin, T.O. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-14,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
15.

Technical Paper
Technical Paper
15. Effects of Supersonic Vitiated/Clean Air on Ignition/Combustion Characteristics of Hydrogen Fuel, Part I: Code Validation
Tiwari, S.N. ; Mohieldin, T.O. ; Taha, A.A.
Pub. info.: AIAA paper.  pp.1-20,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1999
16.

Technical Paper
Technical Paper
16. Investigation of transient human thermoregulatory responses to different environmental conditions
Boregowda, S.C. ; Tiwari, S.N. ; Chaturvedi, S.K.
Pub. info.: AIAA paper.  pp.1-18,  1996.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1996
17.

Technical Paper
Technical Paper
17. Measuring the effects of information processing on psychophysiological stress responses
Boregowda, S.C. ; Tiwari, S.N. ; Palsson, O.S. ; Downing, B.K.
Pub. info.: AIAA paper.  pp.1-9,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1999
18.

Technical Paper
Technical Paper
18. MORPHOLOGY AND MICROSTRUCTURE OF CONPOSITE MATERIALS
Srinivansan, K. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-189473),  pp.1-23,  1991.  National Aeronautics and Space Adminstration
19.

Technical Paper
Technical Paper
19. Institute for Computational and Applied Mechanics (ICAM)
Yang, R.L. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-188149),  pp.1-20,  1991.  National Aeronautics and Space Adminstration
20.

Technical Paper
Technical Paper
20. INVESTIGATION OF NOSE BLUNTNESS AND ANGLE OF ATTACK EFFECTS ON SLEDER BODIES IN VISCOUS HYPERTENSION FLOWS
Sehgal, A.K. ; Tiwari, S.N. ; Singh, D.J.
Pub. info.: NASA Technical Reports.  (NASA-CR-1888153),  pp.1-124,  1991.  National Aeronautics and Space Adminstration
21.

Technical Paper
Technical Paper
21. RADIATIVE INTERACTIONS IN CHEMICALLY REACTING SUPERSONIC INTERNAL FLOWS
Tiwari, S.N. ; Chandrasekhar, R.
Pub. info.: NASA Technical Reports.  (NASA-CR-188067),  pp.1-99,  1991.  National Aeronautics and Space Adminstration
22.

Technical Paper
Technical Paper
22. IMPACT RESPONSE OF COMPOSITE MATERIALS
Srinivasan, K. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-187896),  pp.1-21,  1991.  National Aeronautics and Space Adminstration
23.

Technical Paper
Technical Paper
23. RADIATIVE INTERACTIONS IN MOLECULAR CASES UNDER LOCAL AND NONLOCAL THERMODYNAMIC EQUILIBRIUM CONDITIONS
Tiwari, S.N. ; Jha, M.K.
Pub. info.: NASA Technical Reports.  (NASA-CR-193223),  pp.1-257,  1993.  National Aeronautics and Space Adminstration
24.

Technical Paper
Technical Paper
24. Analysis of pultrusion processing for long fiber reinforced thermoplastic composite system
Tso, W. ; Hou, T.H. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-194504),  pp.1-82,  1993.  National Aeronautics and Space Adminstration
25.

Technical Paper
Technical Paper
25. INTERACTIVE REAL TIME FLOW SIMULATIONS
Sadrehaghighi, I. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-187325),  pp.1-47,  1990.  National Aeronautics and Space Adminstration
26.

Technical Paper
Technical Paper
26. EFFECTS OF NOSE BLUNTNESS AND SHOCK-SHOCK INTERACTIONS ON BLUNT BODIES IN VISCOUS HYPERSONIC FLOWS
Singh, D.J. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-186451),  pp.1-187,  1990.  National Aeronautics and Space Adminstration
27.

Technical Paper
Technical Paper
27. INVESTIGATION OF RADIATIVE INTERACTION IN LAMINAR FLOWS USING MONTE CARLO SIMULATION
Liu, Jiwen ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-194604),  pp.1-33,  1993.  National Aeronautics and Space Adminstration
28.

Technical Paper
Technical Paper
28. TOUGHENING OF PMR COMPOSITES BY SEMI-INTERPENETRATING NETWORKS
Srinivansan, K. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-189468),  pp.1-30,  1991.  National Aeronautics and Space Adminstration
29.

Technical Paper
Technical Paper
29. STUDY OF MULTI-DIMENSIONAL RADIATIVE ENERGY TRANSFER IN MOLECULAR GASES
Liu, Jiwen ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-194613),  pp.1-71,  1993.  National Aeronautics and Space Adminstration
30.

Technical Paper
Technical Paper
30. PRAMETRIC STUDY OF SHOCK-INDUCED COMBUSTION IN A HYDRIGEN AIR SYSTEM
Ahuja, J.K. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-197134),  pp.1-62,  1994.  National Aeronautics and Space Adminstration
31.

Technical Paper
Technical Paper
31. RADIATIVE INTERACTIONS IN CHEMICALLY TEACTING COMPRESSIBLE NOZZLE FLOWS USING MONTE CARLO SIMULATIONS
Liu, J. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-197133),  pp.1-54,  1994.  National Aeronautics and Space Adminstration
32.

Technical Paper
Technical Paper
32. GRID SENSITIVITY FOR AERODYNAMIC OPTIMIZATION AND FLOW ANALYSIS
Sadrehaghighi, I. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-192980),  pp.1-120,  1993.  National Aeronautics and Space Adminstration
33.

Technical Paper
Technical Paper
33. INVESTIGATION OF RADIATIVE INERACTIONS IN SUPERSONIC INTERNAL FLOWS
Tiwari, S.N. ; Thomas, A.M.
Pub. info.: NASA Technical Reports.  (NASA-CR-188820),  pp.1-153,  1991.  National Aeronautics and Space Adminstration
34.

Technical Paper
Technical Paper
34. THE EFFECTS OF PROFILES ON SUPERSONIC JET NOISE
Bhat, T.R.S. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-195184),  pp.1-38,  1994.  National Aeronautics and Space Adminstration
35.

Technical Paper
Technical Paper
35. AN ANALYTICAL APROACH TO GRID SENSITIVITY ANALYSIS FOR NACA FOUR-DIGIT WING SECTIONS
Tiwari, S.N. ; Sadrehahighi, I.
Pub. info.: NASA Technical Reports.  (NASA-CR-190251),  pp.1-69,  1992.  National Aeronautics and Space Adminstration
36.

Technical Paper
Technical Paper
36. RADIATIVE INTERCTIONS IN LAMINAR DUCT FLOWS
TRIVEDI, P.A. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-168150),  pp.1-122,  1990.  National Aeronautics and Space Adminstration
37.

Technical Paper
Technical Paper
37. NUMERICAL SIMULATION OF SHOCK-INDUCED COMBUSTION PAST BLUNT BODIES USING SHOCK-FITTING TECHNIQUE
Ahuja, J.K. ; Singh, D.J. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-197013),  pp.1-54,  1994.  National Aeronautics and Space Adminstration
38.

Technical Paper
Technical Paper
38. Prediction of high-speed free shear flows using higher-order turbulence models
Balakrishnan, L. ; Tiwari, S.N. ; Abdol-Hamid, K.S.
Pub. info.: AIAA paper.  pp.1-10,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1997
39.

Technical Paper
Technical Paper
39. Evaluation of aerospace environmental control systems using an objective thermal stress index (OTSI)
Alfahaid, A.F. ; Chaturvedi, S.K. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-9,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1999
40.

Technical Paper
Technical Paper
40. Numerical study of atomic oxygen formation in a reflective shock tube
Hwang, K.C. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-11,  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1998
41.

Technical Paper
Technical Paper
41. Second law analysis of human thermal responses
Boregowda, S.C. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-10,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Thermophysics Conference
Ser. no.: 1999
42.

Technical Paper
Technical Paper
42. Parametric correlations for generic scramjet combustor ramp injectors
Bush, J.G. ; Auslender, A.H. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-20,  1996.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : AIAA Advanced Measurement and Ground Testing Technology Conference
Ser. no.: 1996
43.

Technical Paper
Technical Paper
43. Variational methods in design optimization and sensitivity analysis for two-dimensional Euler equations
Ibrahim, A.H. ; Hou, G.J-W. ; Tiwari, S.N. ; Smith, R.E.
Pub. info.: AIAA paper.  pp.1-13,  1997.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1997
44.

Technical Paper
Technical Paper
44. Effects of tandem injection on compressible turbulent shear layer
Mohieldin, T.O. ; Tiwari, S.N.
Pub. info.: AIAA paper.  pp.1-[11],  1998.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : International Space Planes and Hypersonic Systems and Technologies Conference
Ser. no.: 1998
45.

Technical Paper
Technical Paper
45. Effects of supersonic vitiated/clean air on ignition/combustion characteristics of hydrogen fuel, Part I : code validation
Tiwari, S.N. ; Mohieldin, T.O. ; Taha, A.A.
Pub. info.: AIAA paper.  pp.1-20,  1999.  American Institute of Aeronautics and Astronautics
Title of ser.: AIAA Paper : Aerospace Sciences Meeting and Exhibit
Ser. no.: 1999
46.

Technical Paper
Technical Paper
46. DEVELOPMENT OF POLYSILSESQUIOXANE COMPOSITES
Srinivasan, K. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-180263),  pp.1-37,  1990.  National Aeronautics and Space Adminstration
47.

Technical Paper
Technical Paper
47. GRID GENERATION AND FLOW COMPUTATION ABOUT A MARTIAN ENTRY VEHICLE
Stewart, J.E. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-187032),  pp.1-86,  1990.  National Aeronautics and Space Adminstration
48.

Technical Paper
Technical Paper
48. STUDIES ON NONEQUILIBRIUM PHENOMENA IN SUPERSONIC CHEMICALLY REACTING FLOWS
Chandrasekhar, Rajnish ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-194662),  pp.1-139,  1993.  National Aeronautics and Space Adminstration
49.

Technical Paper
Technical Paper
49. INVESTIGATION OF HIGH-SPEED FREE SHEAR FLOWS USING IMPROVED PRESSURE-STRAIN CORRELATED REYNOLDS STRESS TURBULENCE MODEL
Lakshmanan, B. ; Tiwari, S.N.
Pub. info.: NASA Technical Reports.  (NASA-CR-194661),  pp.1-29,  1993.  National Aeronautics and Space Adminstration