What is the history of the torsional oscillator?
Best insight from top research papers
The history of the torsional oscillator can be traced back to the invention of various types of torsional oscillators for different applications. One such application is in the field of oil and natural gas extraction and drilling tools, where a torsional pendulum oscillator is used to increase mechanical drilling speed . Another application is in the field of MEMS accelerometers, where a resonant mechanical structure, including a torsional oscillator, is used to measure acceleration . In the field of drilling tools for petroleum and natural gas exploitation, a torsional spring type hydraulic oscillator has been developed, which can be adjusted to different frequencies and has a long service life . Torsional oscillators have also been used in the study of polycrystalline helium and the supersolid state, where changes in the resonant period and dissipation peaks have been observed . Additionally, a rotating cryostat with a torsional oscillator has been designed for experiments on 3D superfluids and the supersolid state in solid helium .
Answers from top 3 papers
More filters
| Papers (3) | Insight |
|---|---|
| The paper does not provide any information about the history of the torsional oscillator. | |
| The provided paper does not mention the history of the torsional oscillator. | |
| The provided paper does not mention the history of the torsional oscillator. |
Related Questions
What is the significance of torsional vibration analysis in marine diesel engines?5 answersTorsional vibration analysis in marine diesel engines holds significant importance in assessing and managing engine performance and reliability. By analyzing torsional vibrations, engineers can evaluate the condition of components like spring dampers, generator shaft systems, propulsion shafting, and engine blocks. This analysis aids in understanding free and forced vibration responses, calculating torque, identifying vibration modes, and determining stress levels. Moreover, spectral analysis of crankshaft torsional vibrations can even help diagnose specific issues like coking in injector nozzles. Overall, torsional vibration analysis plays a crucial role in ensuring safe operating speeds, optimizing maintenance schedules, and enhancing the overall efficiency and longevity of marine diesel engines.
What is the rate of torsion in pcos?5 answersTesticular torsion is a condition that can occur in males, causing severe pain and potential damage to the testes. The rate of torsion varies depending on the population studied. In a study conducted in Lagos, Nigeria, the rate of testicular torsion was found to be 35 cases per year, with a mean age of 23.3 years. Another study in Nigeria reported a low salvage rate of 32% for clinically viable testes, which was attributed to delayed or mistaken diagnosis. However, the abstracts provided do not specifically mention the rate of torsion in individuals with polycystic ovary syndrome (PCOS). Therefore, further research is needed to determine the specific rate of testicular torsion in individuals with PCOS.
What is a torsion pendulum?2 answersA torsion pendulum is a device used for measuring small forces and torques. It consists of a rod suspended on a wire, capable of performing oscillatory motion in the horizontal plane. The pendulum can be used to study damping torsion oscillations and determine parameters such as the damping coefficient, damping logarithmic decrement, relaxation time, amount of oscillations during relaxation, and the mechanical system quality factor. The torsion pendulum can also be used to measure the resonant frequency and decay time of the pendulum, making it suitable for monitoring torsional oscillations of large amplitude. Additionally, a torsion pendulum can be constructed using a single-walled carbon nanotube as a torsional spring and mechanical support, allowing for large elastic torsional deformations. Molecular-scale components in torsion pendulums have potential applications in nanoelectromechanical systems and as sensors or actuators.
How does the torsional pendulum method work?4 answersThe torsional pendulum method is used to measure the gravitational torque between source and test-mass assemblies. There are two methods used in this technique. In the Cavendish method, the pendulum moves freely, allowing the measurement of the gravitational torque. In the electrostatic-servo method, the pendulum is maintained at a constant angle by applying an electrostatic torque equal and opposite to any gravitational torque on the pendulum. This is achieved by using a servo to generate the electrostatic torque. The design and implementation of this servo have been described in several papers. The electrostatic-servo method utilizes a digital servo loop with a Kalman filter to achieve accurate measurement performance. The use of three electrodes for feedback control further improves the measurement uncertainty.
How does the torsional pendulum work?3 answersThe torsional pendulum works by measuring the gravitational torque between source and test-mass assemblies using two methods. In the Cavendish method, the pendulum moves freely, while in the electrostatic-servo method, the pendulum is maintained at a constant angle by applying an electrostatic torque equal and opposite to any gravitational torque on the pendulum. The electrostatic torque is generated by a servo. The design and implementation of this servo have been described in papers by Schlamminger et al.and Citation Text. The electrostatic-servo method utilizes a digital servo loop with a Kalman filter to achieve measurement performance comparable to an open loop. The use of three electrodes for feedback control allows for small measurement uncertainty. The torsional pendulum technique based on image processing, as developed by Yu et al., allows for the measurement of the torsional oscillation of individual fibers.
How to make a simple transistor oscillator?7 answers