Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 423 for “"RPM"”.
-
Incremental adaptation to yaw head movements during 30 RPM centrifugation
… to yaw head movements while rotating at 23 RPM. To investigate adaptation to head movements at a higher rotation rate, 28 subjects participated in a 3-Day protocol in which centrifuge velocity was incremented from 14 RPM on Day 1, to 23 RPM on Day 2, to 30 RPM on Day 3. Key findings …
-
Axial Compressor Design with Counter-Rotation and Variable RPM for Stall Mitigation
… design with counter rotation and variable RPM. Counter-Rotation is used to push compressor performance during stall by moving the operating point away from surge line with a higher pressure ratio rise. Initially an axial compressor is designed with counter-rotation at design point. The flow …
-
Control of a High-speed (<50,000 rpm) Interior Permanent Magnet Synchronous Motor
… validation on a HS-IPMSM (5kW, 50,000 rpm) demonstrate that these methods effectively reduce electrical losses. Additionally, a hybrid trajectory combining MTPA and LMC is developed to balance efficiency and torque output across varying load conditions. Further investigation into motor …
-
Risk-based Renewal Prioritization Models (RPM) for Potable Water Pipeline Infrastructure Systems
Water pipelines are critical infrastructure assets buried across the United States, responsible for delivering safe drinking water at adequate pressures from source to customers. A majority of these pipelines were installed in the mid-twentieth century without adequate financial planning for future …
-
Dsp Implementation Of Dc Voltage Regulation Using Adaptive Control For 200 Kw 62000 Rpm Induction Generator
… kW induction generator rated at a speed of 62000 RPM under different load conditions. The voltage regulation has been implemented using PI controller. A gain scheduling control algorithm has been developed to select the appropriate controller gains with respect to the generator load. Further, a …
-
Microbubble fermentation of recombinant Pichia pastoris for human serum albumin production
… pastoris at agitation rates of 350, 500, and 750 rpm, and were compared to MBD sparged fermentation at 150, 350, and 500 rpm agitation rates. The MBD improved the volumetric oxygen transfer coefficient (kLa) and subsequently increased the cell mass and protein production compared to conventional …
-
Knock phenomenon analysis on a diesel-CNG dual fuel engine using experimental fuel ratio
… running at a constant engine speed between 1400 rpm and 3000 rpm with several diesel to CNG fuel ratio. This study found that when the diesel to CNG fuel ratio reached 70:30 at 1800 rpm to 3000 rpm, and 60:40 at 1400 rpm and 1600 rpm, engine knock was detected. A knock index was calculated from …
-
The Effects of Different Optokinetic Drum Rotation Speeds on Motion Sickness Symptoms, Cognitive Performance and Sleep Amount
… the effects of different rotation speeds (0 RPM, 5 RPM, and 10 RPM) of the optokinetic drum on motion sickness symptoms. Motion sickness symptoms were measured using the Simulator Sickness Questionnaire (SSQ). Before exposure to the optokinetic drum, participants were not significantly …
-
Perceptions of augmentative and alternative communication modes that include non-evidence based practices
… works for their child. Rapid Prompting Method (RPM) is a form of communication that closely approximates facilitated communication. RPM requires the assistance of a communicative partner who holds a “letterboard” that the student uses to communicate with the world. The primary concern with RPM …
-
An examination of vertical territorial and vertical price restraints under the outlets hypothesis
… stay of execution, resale price maintenance (RPM), has been illegal per se in the United States since a 1911 Supreme Court decision. The Court has however, afforded vertical territorial restraints the protection of the rule of reason. A growing body of economic literature has proposed numerous …
-
Scale-Up the Use of a Microbubble Dispersion to Increase Oxygen Transfer in Aerobic Fermentation of Baker's Yeast
… cerevisiae, cultured at agitation speeds of 150 rpm and 500 rpm, were compared for oxygen supplied by ordinary air sparging and by MBD sparging. Both air sparged and MBD systems were supplied air at equivalent volumetric flow rates. The volumetric oxygen transfer coefficients (KLa) were estimated …
-
Mode I Fracture Toughness Testing of Friction Stir Processed HSLA-65
… were produced using two rotational speeds: 340 RPM and 490 RPM. The weld centerline, advancing side hardened region (ASHR), and TMAZ/HAZ regions were sampled, in addition to un-welded parent material. All elastic-plastic fracture toughness values were thickness dependent. For welds produced at …
-
Wireless remote patient monitoring on general hospital wards.
… of human resources. A Remote Patient Monitoring (RPM) system is proposed which can go some way towards improving patient monitoring on general hospital wards. In this system vital signs are gathered from patients and sent to a control unit for centralized monitoring. The RPM system can complement …
-
Predicting performance on fluid intelligence from speed of processing, working memory, and controlled attention
… commonly by the Raven's Progressive Matrices (RPM). Individual differences in fluid intelligence are currently explained by the Cascade model (Fry & Hale, 1996) and the Controlled Attention hypothesis (Engle, Kane, & Tuholski, 1999; Kane & Engle, 2002). The first theory is based on a complex …
-
The Effect of Varying Cadence in Cycle Ergometry on Submaximal Predictions of Peak Oxygen Uptake
… protocol except the cadence was increased to 70 rpm for one and 90 rpm for the other. Heart rate and RPE data were gathered every minute and upon completion of the submaximal tests, and a linear analysis was performed using age predicted maximal heart rate to estimate peak VO2 which was …
-
PSO modelling and PID controlled of automatic fish feeder system
… raw data at distribution part with speed of 130 rpm, 160 rpm, 190 rpm, 220 rpm and 250 rpm were extracted and used to determine ARX equation parameters as transfer function by using PSO algorithm to optimize ARX model parameter. Validation tests used was residual analysis. The best transfer …
-
From Conception to Connection: A Systematic Approach to Integrating Remote Patient Monitoring in Fertility Management
… these challenges, remote patient monitoring (RPM) systems are emerging as a transformative approach in healthcare, facilitating continuous patient care and monitoring beyond the conventional settings of clinics and hospitals. Despite the increased adoption of RPM and telemedicine, a gap …
-
Reduction of Unsteady Stator-Rotor Interaction by Trailing Edge Blowing Using MEMS Based Microvalves
… performed for two simulator test speeds, 29,500 rpm and 40,000 rpm, with and without trailing edge blowing. The maximum reduction recorded at 29,500 rpm is 8.2 dB, and at 40,000 rpm is 7.3 dB. Reductions of 2.9 dB and greater are observed at the first five harmonics of the blade passing …
-
Essays on vertical price restraint, merger and competitive conduct
… the US beer industry. Resale price maintenance (RPM) is the practice whereby upstream firms in an industry, e.g. manufacturers, make an agreement with downstream firms, e.g. retailers, that the downstream firms will sell the manufacturer's product at certain prices. The 2007 US Supreme Court’s …
-
Effect of conditioning on the performance of a plate and frame filter press
… sludge conditioned at a mixing speed of 200 rpm, corresponding to a Gt equal to 17,000. Tests using mixing speeds of 400 rpm and 1800 rpm corresponding to Gt values of 32,000 and 230,000, respectively indicated better performance and, thus, the filter press is thought to generate Gt values …
Page 1 of 22