Relevant bibliographies by topics / Torque measurement methods

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Torque measurement methods'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Torque measurement methods"

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Foyer, Gisa, Stefan Kock, and Paula Weidinger. "Influences on torque measurement in nacelle test benches and their effect on the measurement uncertainty and consequences of a torque calibration." ACTA IMEKO 8, no. 3 (2019): 59. http://dx.doi.org/10.21014/acta_imeko.v8i3.658.

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Torque measurement in the MN·m range is important in nacelle test benches, as it constitutes the primary value for the efficiency determination of wind turbine drive trains. However, no traceable measurement is possible above 1.1 MN·m. At the moment, alternatives to direct torque measurement in the MN·m range are, therefore, used. Several of these torque measurement methods are presented and discussed in this paper with respect to traceability and measurement uncertainty. It was found that these methods cannot fully substitute direct measurements. Therefore, detailed recommendations for a torq
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Pfister, Pierre‐Daniel, and Yves Perriard. "Torque measurement methods for very high‐speed motors." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 29, no. 5 (2010): 1172–83. http://dx.doi.org/10.1108/03321641011061399.

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Kumhála, F., M. Kroulík, J. Mašek, and V. Prošek. "Development and testing of two methods for the measurement of the mowing machine feed rate." Plant, Soil and Environment 49, No. 11 (2011): 519–24. http://dx.doi.org/10.17221/4187-pse.

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Two methods were developed and tested for the measurement of the mowing machine material feed rate (based on the conditioner power input measured by a torque-meter, and/or on the material change in momentum measured by a curved impact plate). The measurements carried out in the year 2001 proved that a very good linear relationship existed between the conditioner power input, output frequency of the apparatus measuring the impact force by means of the impact plate, and the material feed rate through the mowing machine. The calculated R-Squared values were about 0.95.
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Rodrigues Neto, Dimas João, Giordano Maciel Silva, Daiane Cerutti-Kopplin, Jefferson Ricardo Pereira, Keila Cristina Raush, and Accácio Lins do Valle. "Measurement of loosening torque of prosthetic components in Morse taper connection implants." Journal of Research in Dentistry 2, no. 4 (2014): 335. http://dx.doi.org/10.19177/jrd.v2e42014335-342.

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AIM: The aim of this study was to verify two different types of interfaces in Morse taper connection implants, relating the mechanical resistance to a loosening torque that is required to separate or move the prosthetic abutment. MATERIAL AND METHODS: Ten Morse taper connection implants and their respective abutments were divided into two groups (n = 5), DH (double hexagon) interface and OI (octagonal implant) interface. A standard insertion of implants was performed in a stainless steel base, where each abutment received a sequence of two consecutive tightening torques at a 10-minute interval
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Ding, Chang Hong, Hong Zuo Li, Ji Hang Cheng, and Shuang Xu. "Studies of Large-Range Dynamic and Static Motor Torque Tester." Advanced Materials Research 516-517 (May 2012): 1636–42. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1636.

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This paper discusses the composition, structural features, working principle, and technical performance of a kind of motor torque measurement system. This system adopts two kinds of torque measurement methods, dynamic torque measurement method and static torque measurement method, uses microprocessor to collect data including rotational speed of load motor and torque signals of to-be-tested motor, figures out the rotational speed and torque through software algorithm, as well as displays and output them. This system also makes actual measurement of a type of motor. The measurement period is sh
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Zhao, Hao. "Present Situation and Development Review of Torque Measurement." Applied Mechanics and Materials 422 (September 2013): 141–45. http://dx.doi.org/10.4028/www.scientific.net/amm.422.141.

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Torque changes of mechanical equipment are important information for its status, it is a necessary way to test whether various dynamic mechanical power output reached the design standard, and it is also an important sign to test whether the product is qualified. the application of the torque sensor and its market prospect were introduced in this paper, and the status of domestic and foreign torque measuring methods are discussed, including a variety of new structure torque sensor and the corresponding measuring systems, at last, the prospects for the future development of torque measurement we
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Fu, Hui Lin, Yu Cai Zhou, Zhi Xiang Hou, and Yi Zuo. "Study of Vehicle Engine Transient Emissions." Applied Mechanics and Materials 128-129 (October 2011): 1292–300. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.1292.

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In this paper, the transient emissions from vehicle engines was studied, measurement methods and corrections required for higher precision measurements of transient indirect emissions was discussed. Various operating conditions such as cold start, constant torque increasing speed, constant torque reducing speed emissions were considered and the corresponding emission characteristics were obtained and analyzed.
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Lee, Soogil, Jeongchun Ryu, Jong-Guk Choi, et al. "Electrical Measurement Methods for Spin-Orbit Torque in Nonmagnet/Ferromagnet Bilayers." Journal of the Korean Magnetics Society 29, no. 3 (2019): 108–22. http://dx.doi.org/10.4283/jkms.2019.29.3.108.

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Liu, Jun, LianFa Yang, and JianPing Ma. "The state-of-art and prospect of contactless torque measurement methods." IOP Conference Series: Materials Science and Engineering 542 (July 5, 2019): 012013. http://dx.doi.org/10.1088/1757-899x/542/1/012013.

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Kumhála, F., J. Mašek, and V. Prošek. "Comparison of two possibilities for mowing machine material feed rate measurement under laboratory conditions." Research in Agricultural Engineering 49, No. 2 (2012): 44–49. http://dx.doi.org/10.17221/4951-rae.

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The impact of materials and conditions (parameters) changes on mowing machine material feed rate measurement accuracy were measured under laboratory conditions. The influence of crop variety, crop maturity and moisture, and intensity of conditioning were tested. The impact of the changing parameters in two measurement methods (based on torque-meter and/or on impact plate) was studied. Eight files of torque-meter and/or impact plate measurement were obtained during our experiments. Statistical analysis was used for data evaluation. Two-sample comparisons were used for torque-meter measurement.
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Dissertations / Theses on the topic "Torque measurement methods"

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Lundström, Jonathan, and Emil Hörnberg. "Rotator assembly at Indexator." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-64058.

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The thesis is concerning rotator assembly at Indexator. A need to increase production has been seen and it can be done by implementing an optimized assembly process. In addition to the assembly process a new design on workstations and new test equipment is needed.The study resulted into three assembly process proposals. The processes were balanced, layouts were produced and Plant simulation was utilized to produce simulation models. Each proposal were analyzed based on cost, performance, ease of implementation, flexibility and worker condition. This resulted in a stationary assembly process bei
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Lundin, Maria, and Lena Kanstrup. "Method for detection of sleepiness : - measurement of interaction between driver and vehicle." Thesis, Linköping University, Department of Mechanical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7714.

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<p>As more and more people conduct vigilance-based activities at times other than the traditional daytime work hours, the time utilization will continue to escalate in the next century and will further increase the risks of sleepiness-related accidents.</p><p>This project, which is commissioned by Scania CV AB, is to nvestigate the potential of a method for sleepiness detection belonging to esium AB. Our objective is to examine whether Scania CV AB should continue with the investigation of the patent method, and in that case, which patent parameters, that indicate sleepiness, should be more cl
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Gottwald, Michal. "Dynamický model stejnosměrného motoru s využitím metody konečných prvků." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219003.

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My diploma thesis deals with a specific dynamic model of DC motor with the parameters obtained from the calculation and from the program using the finite element method. It shows how much accurate results can be achieved in the model, if you use only the values which can be measured, recorded and calculated on the engine. This thesis contens three parts. First part describes the structure and function of DC motor and the basic principle and the use of FEM. Next is calculation analytical and numerical parameters. The search parameters include torque, resistance and inductance of armature windin
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Cipín, Radoslav. "Moderní matematické metody syntézy a analýzy střídavých strojů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233566.

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The doctoral thesis is divided into three main parts with a focus on induction motors. The first part deals with the electromagnetic design and analysis of windings of AC ma-chines. There is introduced the density of conductors, which describes the distribution of the windings in the slots. There is derived general formula for calculation of the total winding factor applicable to any type of winding. The second part of this work deals with the acceleration method of the induction motors torque-speed characteristics measurement. The measured characteristics are used for exact identification of
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Book chapters on the topic "Torque measurement methods"

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Trochta, Miroslav, and Jiří Začal. "Measurement of Torque and Axial Force on Cardan Shaft." In Current Methods of Construction Design. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33146-7_47.

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Jurmu, Luke, Darrell Robinette, Jason Blough, Eric Mordorski, and Craig Reynolds. "Measurement Methods for Evaluating the Frequency Response Function of a Torque Converter Clutch." In Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47721-9_2.

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Kiełtyka, L. "The Measurement Method of Big Torque Moments in Drive Shafts." In Mechanical Problems in Measuring Force and Mass. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4414-5_14.

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Zhang, Hongxv, Yinguo Huang, Xiaomei Zhang, Xinghua Li, and Peilu Liu. "Method of Torque Measurement Based on the Equivalent Theory of the Magnetic Field and Stress." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6571-2_247.

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S Hooli, Shweta, Anusha Vadde, Krishnan Manickavasagam, and Govind R. Kadambi. "Measurement of Torque Using Leakage Flux for Induction Motors in Electric Vehicles by Non-invasive Method." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4692-1_38.

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Zdero, Radovan, Troy MacAvelia, and Farrokh Janabi-Sharifi. "Force and Torque Measurements of Surgical Drilling Into Whole Bone." In Experimental Methods in Orthopaedic Biomechanics. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-803802-4.00006-8.

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"The application of torsion angle method in shaft dynamic torque measurement." In Manufacturing and Engineering Technology (ICMET 2014). CRC Press, 2014. http://dx.doi.org/10.1201/b17735-25.

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Scano, Alessandro, Marco Caimmi, Andrea Chiavenna, Matteo Malosio, and Lorenzo Molinari Tosatti. "A Kinect-Based Biomechanical Assessment of Neurological Patients' Motor Performances for Domestic Rehabilitation." In Advances in Medical Technologies and Clinical Practice. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9740-9.ch013.

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Stroke is one of the main causes of disability in Western countries. Damaged brain areas are not able to provide the fine-tuned muscular control typical of human upper-limbs, resulting in many symptoms that affect consistently patients' daily-life activities. Neurological rehabilitation is a multifactorial process that aims at partially restoring the functional properties of the impaired limbs, taking advantage of neuroplasticity, i.e. the capability of re-aggregating neural networks in order to repair and substitute the damaged neural circuits. Recently, many virtual reality-based, robotic and exoskeleton approaches have been developed to exploit neuroplasticity and help conventional therapies in clinic. The effectiveness of such methods is only partly demonstrated. Patients' performances and clinical courses are assessed via a variety of complex and expensive sensors and time-consuming techniques: motion capture systems, EMG, EEG, MRI, interaction forces with the devices, clinical scales. Evidences show that benefits are proportional to treatment duration and intensity. Clinics can provide intensive assistance just for a limited amount of time. Thus, in order to preserve the benefits and increase them in time, the rehabilitative process should be continued at home. Simplicity, easiness of use, affordability, reliability and capability of storing logs of the rehabilitative sessions are the most important requirements in developing devices to allow and facilitate domestic rehabilitation. Tracking systems are the primary sources of information to assess patients' motor performances. While expensive and sophisticated techniques can investigate neuroplasticity, neural activation (fMRI) and muscle stimulation patterns (EMG), the kinematic assessment is fundamental to provide basic but essential quantitative evaluations as range of motion, motor control quality and measurements of motion abilities. Microsoft Kinect and Kinect One are programmable and affordable tracking sensors enabling the measurement of the positions of human articular centers. They are widely used in rehabilitation, mainly for interacting with virtual environments and videogames, or training motor primitives and single joints. In this paper, the authors propose a novel use of the Kinect and Kinect One sensors in a medical protocol specifically developed to assess the motor control quality of neurologically impaired people. It is based on the evaluation of clinically meaningful synthetic performance indexes, derived from previously developed experiences in upper-limb robotic treatments. The protocol provides evaluations taking into account kinematics (articular clinical angles, velocities, accelerations), dynamics (shoulder torque and shoulder effort index), motor and postural control quantities (normalized jerk of the wrist, coefficient of periodicity, center of mass displacement). The Kinect-based platform performance evaluation was off-line compared with the measurements obtained with a marker-based motion tracking system during the execution of reaching tasks against gravity. Preliminary results based on the Kinect sensor suggest its efficacy in clustering healthy subjects and patients according to their motor performances, despite the less sensibility in respect to the marker-based system used for comparison. A software library to evaluate motor performances has been developed by the authors, implemented in different programming languages and is available for on-line use during training/evaluation sessions (Figure 1). The Kinect sensor coupled with the developed computational library is proposed as an assessment technology during domestic rehabilitation therapies with on-line feedback, enabled by an application featuring tracking, graphical representation and data logging. An experimental campaign is under development on post-stroke patients with the Kinect-One sensor. Preliminary results on patients with different residual functioning and level of impairment indicate the capability of the whole system in discriminating motor performances.
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Scano, Alessandro, Marco Caimmi, Andrea Chiavenna, Matteo Malosio, and Lorenzo Molinari Tosatti. "A Kinect-Based Biomechanical Assessment of Neurological Patients' Motor Performances for Domestic Rehabilitation." In Robotic Systems. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1754-3.ch042.

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Stroke is one of the main causes of disability in Western countries. Damaged brain areas are not able to provide the fine-tuned muscular control typical of human upper-limbs, resulting in many symptoms that affect consistently patients' daily-life activities. Neurological rehabilitation is a multifactorial process that aims at partially restoring the functional properties of the impaired limbs, taking advantage of neuroplasticity, i.e. the capability of re-aggregating neural networks in order to repair and substitute the damaged neural circuits. Recently, many virtual reality-based, robotic and exoskeleton approaches have been developed to exploit neuroplasticity and help conventional therapies in clinic. The effectiveness of such methods is only partly demonstrated. Patients' performances and clinical courses are assessed via a variety of complex and expensive sensors and time-consuming techniques: motion capture systems, EMG, EEG, MRI, interaction forces with the devices, clinical scales. Evidences show that benefits are proportional to treatment duration and intensity. Clinics can provide intensive assistance just for a limited amount of time. Thus, in order to preserve the benefits and increase them in time, the rehabilitative process should be continued at home. Simplicity, easiness of use, affordability, reliability and capability of storing logs of the rehabilitative sessions are the most important requirements in developing devices to allow and facilitate domestic rehabilitation. Tracking systems are the primary sources of information to assess patients' motor performances. While expensive and sophisticated techniques can investigate neuroplasticity, neural activation (fMRI) and muscle stimulation patterns (EMG), the kinematic assessment is fundamental to provide basic but essential quantitative evaluations as range of motion, motor control quality and measurements of motion abilities. Microsoft Kinect and Kinect One are programmable and affordable tracking sensors enabling the measurement of the positions of human articular centers. They are widely used in rehabilitation, mainly for interacting with virtual environments and videogames, or training motor primitives and single joints. In this paper, the authors propose a novel use of the Kinect and Kinect One sensors in a medical protocol specifically developed to assess the motor control quality of neurologically impaired people. It is based on the evaluation of clinically meaningful synthetic performance indexes, derived from previously developed experiences in upper-limb robotic treatments. The protocol provides evaluations taking into account kinematics (articular clinical angles, velocities, accelerations), dynamics (shoulder torque and shoulder effort index), motor and postural control quantities (normalized jerk of the wrist, coefficient of periodicity, center of mass displacement). The Kinect-based platform performance evaluation was off-line compared with the measurements obtained with a marker-based motion tracking system during the execution of reaching tasks against gravity. Preliminary results based on the Kinect sensor suggest its efficacy in clustering healthy subjects and patients according to their motor performances, despite the less sensibility in respect to the marker-based system used for comparison. A software library to evaluate motor performances has been developed by the authors, implemented in different programming languages and is available for on-line use during training/evaluation sessions (Figure 1). The Kinect sensor coupled with the developed computational library is proposed as an assessment technology during domestic rehabilitation therapies with on-line feedback, enabled by an application featuring tracking, graphical representation and data logging. An experimental campaign is under development on post-stroke patients with the Kinect-One sensor. Preliminary results on patients with different residual functioning and level of impairment indicate the capability of the whole system in discriminating motor performances.
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Conference papers on the topic "Torque measurement methods"

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Pfister, Pierre-Daniel, and Yves Perriard. "Torque measurement methods for very high speed synchronous motors." In 2008 International Conference on Electrical Machines (ICEM). IEEE, 2008. http://dx.doi.org/10.1109/icelmach.2008.4799885.

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Lakatos, István, Dániel Pup, and Dávid Czeglédi. "Determination of Power and Torque Curves of Electric Driven Vehicles Based on Diagnostic Methods." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46724.

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The transmitted power of motors can be defined by test bench examinations, in which the motor needs to be dismounted. By applying diagnostic methods only minimal disassembly, or indeed none at all, is necessary. In this paper diagnostic methods are systematized by different studies. Moreover, a new diagnostic procedure (established by the authors) is also introduced, which can be carried out by a relatively cheap measuring system design. Power measurement on a roller test bench is a well-tried technique for vehicle examination. Basically, the wheel parameters (tractive force, torque, power) ar
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Lüddecke, Bernhardt, Dietmar Filsinger, Jan Ehrhard, Bastian Steinacher, Christian Seene, and Michael Bargende. "Contactless Shaft Torque Detection for Wide Range Performance Measurement of Exhaust Gas Turbocharger Turbines." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94538.

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Turbochargers develop away from an auxiliary component — being “off the shelve” — towards an integrated component of the internal combustion engine. Hence, increased attention is paid to the accuracy of the measured turbine and compressor maps. Especially turbine efficiency measurement under engine-relevant operating conditions (pulsed flow) is recently receiving increased attention in the respective research community. Despite various turbine map extrapolation methods, sufficient accuracy of the input test data is indispensable. Accurate experimental data are necessary to achieve high quality
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Goldfine, Neil, Tim Lovett, Yanko Sheiretov, David Grundy, Todd Dunford, and Vladimir Zilberstein. "Noncontact Torque Sensing for Performance Monitoring and Fault Detection." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81216.

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A conformable, highly directional eddy current sensor, the Meandering Winding Magnetometer (MWM®), and eddy current array (MWM-Array) are described along with inverse methods that use precomputed databases to rapidly convert sensor responses to material properties of interest. An arrangement of four stacked MWM sensors, oriented at 0°, 90°, +45° and −45°, forms the quadri-directional magnetic stress gage (QD-MSG™). The QD-MSG is described and an example of noncontact torque measurement in a rotating helicopter main rotor shaft is presented. Dynamic torque measurement has previously relied upon
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Mehta, Parikshit, Mathew Kuttolamadom, and Laine Mears. "Machining Process Power Monitoring: Bayesian Update of Machining Power Model." In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7277.

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Monitoring the CNC machine tool power provides valuable information that aids condition based maintenance, machine efficiency and machining process monitoring. Cutting force in machining process is an interesting variable to measure from monitoring and control point of view. Although the direct methods of measuring the cutting force exist, prohibitive costs do not allow deployment in industrial environment. In the indirect methods of measuring force, measuring the spindle motor current to estimate the cutting power and consequently the cutting force is popular. This work discusses the calibrat
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Nickerson, Brendon M., and Anriëtte Bekker. "Validation of External Moment Determination for the Shaft-Line of the S.A. Agulhas II." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96746.

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Abstract Full-scale measurements of shaft torque have been performed on several voyages of a polar supply and research vessel, the SA Agulhas II. Previous work has looked at the determination of the externally induced ice moments on the propeller to shed light on the expected loading conditions in the harsh Antarctic environments. This has been done by making use of a lumped mass model, measurements taken on the shaft-line and an inverse prediction algorithm. Thus the externally applied loads are determined through the internal measurements on the shaft-line. The work presented here is in an e
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Ketteringham, Laurence P., Simon A. Neild, Rick A. Hyde, Rosie J. S. Jones, and Angela Davies Smith. "Intention Tremor in Multiple Sclerosis: Measuring and Modelling Arm Dynamics and Elbow Torque." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66140.

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This paper reports on a project to measure and control tremor in individuals with multiple sclerosis (MS). It discusses systems for measuring and modelling upper limb movements and intention tremor, together with initial movement measurement and torque modelling data. The system uses microelectromechanical systems (MEMS) sensors to measure movements of the upper limb representative of everyday tasks. Surface electromyogram (EMG) measurements are taken simultaneously to provide gross muscle activity data. A dynamic model is used to simulate the movements, allowing particular sites to be studied
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Wijayarathne, Lasitha, and Frank L. Hammond. "Kinetic Measurement Platform for Open Surgical Skill Assessment." In 2017 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dmd2017-3525.

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Current surgical skill assessment methods are often based on the kinematics of manual surgical instruments during tool-tissue interactions. Though kinematic data are generally regarded as a sufficient basis for skill assessment, the inclusion of kinetic information would allow the assessment of measures such as “respect for tissue” and force control, which are also important aspects of surgical proficiency. Kinetic data would also provide a richer data set upon which automated surgical motion segmentation and classification algorithms can be developed. However, the kinetics of tool-tissue inte
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Hamilton, Scott R., and Thomas J. Smith. "Justification for a New Industry Standard for Torque Wrench Calibration." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78217.

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In most cases, it is assumed that a manual or hydraulic torque wrench will deliver the requested torque value if set correctly. However, torque wrenches have moving parts that will be subject to wear. They are also subject to harsh operating conditions in the field, which elevates the risk of damage. Calibration is the measurement of a device’s output to a known standard and adjustment to within specific tolerances if necessary. There are several different codes and standards that are followed in the industry, but these practices are normally left up to interpretation. Common sense tells us ca
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Smith, Natalie R., Christopher Clarke, Timothy C. Allison, Michael Cave, and Jason C. Wilkes. "The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-77016.

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Full-thermal heat-soak of machinery is vital to acquiring accurate aerodynamic performance data, but this process often requires significant testing time to allow for all facility components to reach a steady state temperature. Even still, there is the potential for heat loss in a well-insulated facility, and this can lead to inaccurate results. The implementation of a torquemeter to calculate performance metrics, such as isentropic efficiency, has two potential advantages: 1) the method is not susceptible to effects due to thermal heat loss in the facility, and 2) a torquemeter directly measu
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