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1.
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IMPROVED CLRCUMFERENTIAL SHAFT SEAL FOR AIRCRAFT GEAR TRANSMISSIONS
by Ludwig, Lawrence P | Strom, Thomas N. Material type:  Book Publisher: Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: TND-7130 ] (1).
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2.
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INVESTIGATION OF ISOTHERMAL, COMPRESSIBLE FLOW ACROSS A ROTATING SEALING DAM
by Zuk,John | Ludwig,Lawrence P. Material type: Book Description: 34.Publisher: Nasa, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-5344 -] (1).
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3.
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INVESTIGATION OF ISOTHERMAL, COMPRESSIBLE FLOW ACROSS A ROTATING SEALING DAM
by Zuk,John, Smith,Patricia J | Ludwig,Lawrence P. Material type: Book Description: 45.Publisher: Nasa, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-5345 -] (1).
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4.
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NEW CIRCUMFERENTIAL SEAL DESIGN CONCEPT USING SELF-ACTING LIFT GEOMETRIES
by Hady,William F, Ludwig,Lawrence P. Material type: Book Description: 10.Publisher: Nasa,Washington, D.C. 1972Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-6805 -] (1).
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5.
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IMPROVING PERFORMANCE OF FACE CONTACT SEAL IN LIQUID SODIUM (400(DEGREE) TO 1000(DEGREE) F) BY INCORPORATION OF SPIRAL-GROOVE GEOMETRY
by Ludwig,Lawrence P. Material type: Book Description: 37.Publisher: Nasa, Washington, D.C. 1967Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-3942 -] (1).
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6.
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WEAR AND FRICTION OF VARIOUS POLYMER LAMINATES IN LIQUID NITROGEN AND IN LIQUID HYDROGEN.
by Wisander,Donald W,Ludwig,Lawrence P | Johnson,Robert L. Material type: Book Description: 13.Publisher: Nasa, Washington, D.C. 1966Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-3706] (1).
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7.
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FRICTION AND WEAR IN CRYOGENIC LIQUIDS FOR COMPOSITES OF PHENOLIC AND OF POLYTETRAFLUOROETHYLENE OF VARIOUS PARTICLE SIZES AND CONCENTRATIONS
by Wisander,Donald W,Ludwig,Lawrence P | Johnson,Robert L. Material type: Book Description: 15.Publisher: Nasa, Washington, D.C. Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-4565] (1).
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8.
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DESIGN STUDY OF SHAFT FACE SEAL WITH SELF-ACTING LIFT AUGMENTATION
by Ludwig,Lawrence P | Johnson,Robert L. Material type: Book Description: 18.Publisher: Nasa, Washington, D.C. 1971Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-6164] (1).
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9.
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NASA TN [D-5411]
: torque and leakage rates of various lubricated lip seal designs at a peripheral velocity of 120 feet per second
by Ludwig, Lawrence P | Johnson, Robert L | Strom, Thomas N. Description: 14p.Publisher: NASA, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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10.
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NASA TN [D-6563]
: DESIGN STUDY OF SHAFT FACE SEAL WITH SELF-ACTING LIFT AUGMENTATION
by Ludwig, Lawrence P | Johnson, Robert L. Description: 19p.Publisher: Nasa, Washington, D.C. 1971Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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11.
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NASA TN [D-6568]
: DESIGN STUDY OF SHAFT FACE SEAL WITH SELF-ACTING LIFT AUGMENTATION : IV-FORCE BALANCE
by Ludwig, Lawrence P | Johnson, Robert L | Zuk, John. Description: 27p.Publisher: NASA, Washington, D.C. 1972Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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12.
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QUASI-ONE-DIMENSIONAL COMPRESSIBLE FLOW ACROSS FACE SEALS AND NARROW SLOTS.
by Zurk,John | Ludwig,Lawrence P. Material type: Book Description: 37.Publisher: Nasa, Washington, D.C. 1972Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-6668] (1).
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13.
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GAS TURBINE FACE SEAL THERMAL DEFORMATION AND COMPUTER PROGRAM FOR CALCULATION OF AXISYMMETRIC TEMPERATURE FIELD
by Russell,Terrence E,Allen,Gordon P | Ludwig,Lawrence P. Material type: Book Description: 107.Publisher: Nasa, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-5605] (1).
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14.
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NASA Technical Note [NASA TN D-3096]: Experimental study of end effect and pressure patterns in helical groove fluid film seal (viscoseal)
by Washington. National Aeronautics and Space Administration (NASA) | Ludwig, Lawrence P | Strom, Thomas N | Allen, Gordon P. Material type: Book Description: 20p.Publisher: Washington NASA 1966Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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15.
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VIBRATION OF SHAFT FACE SEALS AND STABILIZING EFFECT OF VISCOUS AND FRICTION DAMPING.
by Strom,Thomas N,Ludwig,Lawrence P | Hudelson,John C. Material type: Book Description: 18.Publisher: Nasa, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-5161] (1).
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16.
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SHAFT FACE WITH SELF-ACTING LIFT AUGMENTATION FOR ADVANCED GAS TURBINE ENGINES.
by Johnson,Robert L | Ludwig,Lawrence P. Material type: Book Description: 21.Publisher: Nasa, Washington, D.C. 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur [Call number: NASA TN D-5170] (1).
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17.
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Experimental study of pump and seal characteristics of helical groove geometry incorporated in a combined bearing and pump [NASA]
by Ludwig, Lawrence P. Material type: Book; Format:
print
; Literary form:
not fiction
Publisher: Washington National Aeronautics and Space Administration 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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18.
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Investigation of isothermal compressible flow across a rotating sealing dam [NASA TN D-5344]
by Zuk, John | Ludwig, Lawrence P. Material type: Book; Format:
print
; Literary form:
not fiction
Description: 34p.Publisher: Washington,D.C. National Aeronautics and Space Administration 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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19.
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Investigation of isothermal compressible flow across a rotating sealing dam [NASA TN D-5345]
by Zuk,John | Smith,Patricia J | Ludwig, Lawrence P. Material type: Book; Format:
print
; Literary form:
not fiction
Description: 45p.Publisher: Washington,D.C. National Aeronautics and Space Administration 1969Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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20.
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Improved circumferential shaft seal for gear transmissions [NASA TN D-7130]
by Ludwig, Lawrence P | Strom, Thomas N. Material type: Book; Format:
print
; Literary form:
not fiction
Description: 12p.Publisher: Washington, D. C. National Aeronautics and Space Administration 1973Availability: Items available for reference: PK Kelkar Library, IIT Kanpur (1).
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