30 Questions 14 Answers 0 Followers
Questions related from Manikanta Reddy
I would like to calculate the gear wheel and gear tooth deformation due to rotational speed? The gear shaft is mounted on hydrodynamic bearings. What are the boundary conditions need to apply?...
22 May 2024 8,024 0 View
I would like to set the emissivity of the infrared thermometer to measure the temperature. What is the emissivity of the material 17CrNiMo6 at 50 deg C to 150 deg C?
30 September 2023 5,843 0 View
I would like to simulate the heat generation in helical gears. I need to calculate friction coefficient, contact stress and sliding velocity. How to calculate friction coefficient?
02 June 2023 8,499 0 View
Heat is generated in the helical gears due to sliding friction. Helical gears are oil-jet lubricated and cooled to reduce the gears temperature due to heat generation. I would like to estimate the...
31 May 2023 5,897 0 View
How to calculate gearbox power loss? Example: A 30 MW gearbox, the helical gear pair mounted on journal bearing. It is rotating at high speeds (greater than 120 m/s). power losses are mesh power...
17 May 2023 4,604 2 View
Are there any methods available to measure gear teeth temperature? What are the instruments/sensors used to measure it? Any simple methods (contact and non-contact type) available to measure gear...
17 April 2023 3,432 0 View
How to select minimum clearance for hydrodynamic journal bearings, especially offset and elliptical bearings?
01 April 2023 3,437 0 View
I would like to simulate aircraft's main rotor blade under free vibration. where can I get the dimensions of rotor blade?
23 November 2021 5,093 1 View
I have prepared the Glass/epoxy composite specimens using the hand layup method. I would like to test these composites for fatigue. ASTM E606 available to me. Can I perform the fatigue testing of...
01 January 1970 2,172 4 View
I would like to know the suitable volume fraction of glass epoxy composites in aerospace composites? What are the different volume fractions in different aerospace applications?
01 January 1970 7,367 3 View
I would like to estimate the fatigue life of the composite through numerical simulation. please help me with how to write code for low cycle fatigue in Abaqus.
01 January 1970 6,173 6 View
In glass fibre reinforced composites, surface cracks and edge cracks are intentionally created to predict the crack location and severity using artificial intelligence tools. In reality, first...
01 January 1970 1,030 2 View
I would like to find 9 elastic constants of GFRP composite. (Glass fibre reinforced epoxy). the reinforcement (Glass fibre ) is Glass woven roving (fibers are in 0 and 90-degree orientation). The...
01 January 1970 4,210 3 View
I would like to fabricate a composite with 0.6% fibre volume fraction? How Can I fabricate? Could you please explain the process?
01 January 1970 3,215 5 View
If the composite has both transverse crack and delamination, how to identify locate them? Could you please clarify my doubt? Any journals on this question, please suggest
01 January 1970 1,471 1 View
I would like to calculate mode displacement value at a particular node. How to calculate the values?
01 January 1970 5,665 2 View
Applications (Where do we use) of composite beams and composite plates? What is the difference between composite beam and plate.
01 January 1970 2,102 3 View
I have seen some research work on edge cracks on composite. Where and when can we observe the edge cracks in composites? Please elaborate on the answer.
01 January 1970 7,669 1 View
Fatigue tests: Tension-Compression and Tension-Tension application of fatigue tests
01 January 1970 4,946 1 View
Dear sir/madam, I want to learn about Acoustic emission technique. I know the working principle, but i want to know the processing of the signals received by AE sensor. What happens after the...
01 January 1970 7,240 4 View
I would like to do vibration analysis to detect damage. How to extract mode shape values in ansys apdl?
01 January 1970 178 0 View
There are unidirectional, crossply and angle ply laminates.What is the use of quasi-isotropic laminates. there are different stacking sequences in quasi-isotropic: [0/+-45/90], [0/45/90/-45],...
01 January 1970 373 2 View
I would like to know the laminate sequences used in aerospace and automotive industries. I want to select a laminate sequence for my project. laminate sequence should be selected based on the...
01 January 1970 1,062 0 View
I have come across many papers showing the gage length of the specimen is in reduced size compared to the remaining area of the specimen. (dog bone shape) Why the size is reduced in the gage...
01 January 1970 8,865 0 View
I have modeled the composite with 8 layers. I have modeled the crack up to half its thickness (volume is removed on top 4 layers to create a notch). While meshing, all layers are meshed except one...
01 January 1970 2,651 0 View
what is going to happen to the gear tooth when the rotational speed of the gear is very high
01 January 1970 2,979 0 View
My name is Manikanta Reddy, I am doing research. My research area is composites. I want to use Acoustic Emission equipment to identify cracks, delaminations, interface debonding, and fiber...
01 January 1970 7,790 7 View
I have measured gear tooth temperature using IR thermometer for a 20 MW gearbox running at 100 m/s. The no-load temperature is 70 deg C. How to calculate full-load temperature? There is no data...
01 January 1970 2,024 0 View
How the vibration testing is used to detect damage in aerospace components using modal parameters? What will be the accuracy, if only natural frequencies are used in damage detection? Are natural...
01 January 1970 9,324 3 View
How to model GFRP composite laminate in ansys workbench ? how to add orientation for each lamina? how to add resin between two laminae?
01 January 1970 1,878 1 View
