Results 81 to 90 of about 572 (119)

Dentoskeletal effects of mini-screw assisted, non-surgical palatal expansion in adults using a modified force-controlled polycyclic protocol: a single-centre retrospective study. [PDF]

Eur J Orthod
Ponna P, Tarraf NE, Dalci K, Wilmes B, Darendeliler MA, Dalci O.   +5 more
europepmc   +1 more source

Applications of the Novel Midpalatal Piezocorticotomy Guide for MARPE Midfacial Skeletal Expansion. [PDF]

J Clin Med
Koval S, Kolesnyk V, Chepanova D.
europepmc   +1 more source

Effect of Collar Diameter and Simulated Aging on the Orthogonal Load Resistance of Orthodontic Miniscrews. [PDF]

Materials (Basel)
Sfondrini MF, Merlati G, Pascadopoli M, Valceschini L, Ricchio S, Torchia MM, Del Corso L, Scribante A.   +7 more
europepmc   +1 more source

Periodontal Health Outcomes Following Mini-Screw-Assisted Rapid Palatal Expansion Versus Surgically Assisted Rapid Palatal Expansion: A Comparative Analysis.

J Pharm Bioallied Sci
Parihar AS, Thomas A, Ajmera H, Mittal N, Kumar V, Roy A.   +5 more
europepmc   +1 more source

Auditory-Perceptual and Acoustic Characteristics of Sibilant and Vowel Sounds in Children with Cleft Palate Undergoing Rapid Palatal Expansion.

Folia Phoniatr Logop
Bressmann T, Chiantelli-Mosebach J, Chung DCS, Hoffmann T, MacCaul M, Stubbert T, Stevens K.   +6 more
europepmc   +1 more source

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Preliminary experimental study of single screw expander prototype

Applied Thermal Engineering, 2011
Abstract Efficient heat conversion of low temperature heat source is a key problem for energy saving, especially in the fields of waste heat recovery and renewable energy utilization. At present, technical bottleneck for low temperature thermal power is lack of suitable prime mover.
Chong-Fang Ma
exaly   +2 more sources

Investigation of flow characteristics in a single screw expander: A numerical approach

Energy, 2020
Abstract In this paper, a three-dimensional computational fluid dynamics (CFD) simulation is carried out to investigate the performance of a single screw expander by linking its behavior with the dynamic features of the flow field. To study this aspect and other phenomena that can affect expander operation in an actual Organic Rankine Cycle (ORC ...
Nicola Casari, Ettore Fadiga, Michele Pinelli   +2 more
exaly   +3 more sources

Numerical investigation of flow behavior and film thickness in the single screw expander

International Journal of Mechanical Sciences, 2021
Abstract The need to understand the flow behavior and film thickness in the single screw expander is very crucial since it is known to be a complex system due to the existence of various flow patterns. The present work reports a computational fluid dynamic analysis of two-phase flow behavior and film thickness through a vertical helical rectangular ...
Xianfei Liu, Guodong Xia, Caixia Zhu
exaly   +2 more sources

Development and experimental study on a single screw expander integrated into an Organic Rankine Cycle

Energy, 2016
Abstract Expander is a key components in Organic Rankine Cycle (ORC) system. In order to improve the performances of single screw expander in large expansion ratio conditions and give consideration to normal conditions, a new idea called ‘increasing the built-in volume ratio appropriately and converting single screw expander into double-stage machine
Biao Lei, Chong-Fang Ma, Chuang Li
exaly   +2 more sources