Results 11 to 20 of about 249,617 (307)

Effect of Design Parameters on Flow Characteristics in Powder Supply System for Micropropulsion Systems

KONA Powder and Particle Journal
Aluminum powder is an attractive fuel, especially for micropropulsion, due to its wide availability, high volumetric and gravimetric energy densities, and environmental friendliness.
Masaya Murohara, Marius C. Banica, Hiroyuki Koizumi, Matteo Madi   +3 more
doaj   +2 more sources

Cohesive Powder Flow: Trends and Challenges in Characterisation and Analysis [PDF]

KONA Powder and Particle Journal, 2019
Powder processing and manufacturing operations are rate processes for which the bottleneck is cohesive powder flow. Diversity of material properties, particulate form, and sensitivity to environmental conditions, such as humidity and tribo-electric ...
Mojtaba Ghadiri, Mehrdad Pasha, Wenguang Nan, Colin Hare, Vincenzino Vivacqua, Umair Zafar, Saeid Nezamabadi, Alejandro Lopez, Massih Pasha, Sadegh Nadimi   +9 more
doaj   +2 more sources

A Numerical Study on Metallic Powder Flow in Coaxial Laser Cladding [PDF]

Journal of Applied Fluid Mechanics, 2016
In coaxial laser cladding, the quality and property of deposition products are greatly influenced by the powder flow, which is responsible to transport additive materials to the deposition point on a substrate precisely.
Hao Liu, Jingbin Hao, Gang Yu, Haifeng Yang, Linwei Wang, Zhengtong Han   +5 more
doaj   +1 more source

Process Model Approach to Predict Tablet Weight Variability for Direct Compression Formulations at Pilot and Production Scale

Pharmaceutics, 2021
Optimizing processing conditions to achieve a critical quality attribute (CQA) is an integral part of pharmaceutical quality by design (QbD). It identifies combinations of material and processing parameters ensuring that processing conditions achieve a ...
Raghu V. G. Peddapatla, Gerard Sheridan, Conor Slevin, Shrikant Swaminathan, Ivan Browning, Clare O’Reilly, Zelalem A. Worku, David Egan, Stephen Sheehan, Abina M. Crean   +9 more
doaj   +1 more source

On Efficient Powder Manufacturing Using Process Control Methods and Cybernetics: A Background, Results and Policy Case Study

Powders, 2022
Powder manufacturing processes involve a systematic processing of particulate material towards forming a final product which needs to meet specific quality standards.
Ejay Nsugbe
doaj   +1 more source

Impact of Powder Properties on the Rheological Behavior of Excipients

Pharmaceutics, 2021
With the emergence of quality by design in the pharmaceutical industry, it becomes imperative to gain a deeper mechanistic understanding of factors impacting the flow of a formulation into tableting dies. Many flow characterization techniques are present,
Pauline H. M. Janssen, Sébastien Depaifve, Aurélien Neveu, Filip Francqui, Bastiaan H. J. Dickhoff   +4 more
doaj   +1 more source

Impact of Particle and Equipment Properties on Residence Time Distribution of Pharmaceutical Excipients in Rotary Tablet Presses

Pharmaceutics, 2020
Paddle feeders are devices commonly used in rotary tablet presses to facilitate constant and efficient die filling. Adversely, the shear stress applied by the rotating paddles is known to affect the bulk properties of the processed powder dependent on ...
Daniel Puckhaber, Sebastian Eichler, Arno Kwade, Jan Henrik Finke   +3 more
doaj   +1 more source

The Sevilla Powder Tester: A Tool for Measuring the Flow Properties of Cohesive Powders at High Temperatures [PDF]

, 2022
Understanding the flowability of cohesive powders at high temperature is of great importance for many industrial applications where these materials are handled at harsh thermal conditions.
Pérez Ebrí, José Manuel, Pérez Izquierdo, Alberto Tomás, Valverde Millán, José Manuel, Gannoun Ep Khalifa, Rahma   +3 more
core   +1 more source

Theoretical and Experimental Testing of a Scaling Rule for Predicting Segregation in Differently Sized Silos

KONA Powder and Particle Journal, 2013
The generalisation of scientific findings between differently sized silos is a challenge faced across many industries. One obstacle is the scaling of material properties (e.g. particle size), process parameters (e.g.
Stefan Zigan, Amit Patel
doaj   +1 more source

Real-time in-situ Rheological Assessment of Sticky Point Temperature and Humidity of Powdered Products

KONA Powder and Particle Journal, 2019
Unwanted changes in powder flow behavior can unexpectedly occur when a product is exposed to certain conditions of temperature and humidity. This can happen during production, but also during transport or storage.
Johan C. Groen, Wim Kooijman, Djamilla van Belzen, Gabrie M.H. Meesters, Denis Schütz, Timothy Aschl, Patrick Verolme   +6 more
doaj   +1 more source