Results 21 to 30 of about 11,334,328 (240)

Design of Economical and Achievable Aluminum Carbon Composite Aerogel for Efficient Thermal Protection of Aerospace

open access: yesGels, 2022
Insulation materials play an extremely important role in the thermal protection of aerospace vehicles. Here, aluminum carbon aerogels (AlCAs) are designed for the thermal protection of aerospace.
Yumei Lv   +6 more
doaj   +1 more source

Twenty first century standards for thermal comfort : fostering low carbon building design and operation [PDF]

open access: yes, 2010
Nearly 50% of energy consumed in the developed world is consumed in buildings. Despite regulation intent, many new buildings are energy profligate. Thermal comfort standards are partly responsible for this increase in consumption. In this volume, Roaf et
Touhy, Paul   +9 more
core   +4 more sources

Suitability of Embedded Liquid Cooling and Heat Generation for Chips

open access: yesMicromachines, 2023
Embedded liquid cooling is a preferred solution for dissipating the heat generated by high-power chips. The cooling capacity and pump power consumption of embedded liquid cooling heat sinks differ significantly between different structures. To achieve an
Jian Zhang   +5 more
doaj   +1 more source

Occupational heat stress and associated productivity loss estimation using the PHS model (ISO 7933): a case study from workplaces in Chennai, India [PDF]

open access: yesGlobal Health Action, 2014
Background: Heat stress is a major occupational problem in India that can cause adverse health effects and reduce work productivity. This paper explores this problem and its impacts in selected workplaces, including industrial, service, and agricultural ...
Karin Lundgren   +2 more
doaj   +1 more source

Study of Microstructure and Mechanical Properties Effects on Workpiece Quality in Sheet Metal Extrusion Process

open access: yesThe Scientific World Journal, 2015
Sheet metal extrusion is a metal forming process in which the movement of a punch penetrates a sheet metal surface and it flows through a die orifice; the extruded parts can be deflected to have an extrusion cavity and protrusion on the opposite side ...
Chatkaew Suriyapha   +2 more
doaj   +1 more source

Aerodynamic Analysis and Three-Dimensional Redesign of a Multi-Stage Axial Flow Compressor

open access: yesEnergies, 2016
This paper describes the introduction of three-dimension (3-D) blade designs into a 5-stage axial compressor with multi-stage computational fluid dynamic (CFD) methods.
Tao Ning   +4 more
doaj   +1 more source

Mathematical model to predict heat transfer in transient condition of helical oscillating heat pipe [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2017
This research aims to study the heat transfer with a numerical model and experimental evaluation of a helical oscillating heat pipe (HOHP). Firstly, we created a numeric model of the HOHP to predict the time required to reach the steady state ...
Narin Siriwan   +3 more
doaj   +1 more source

Use of Nanoparticle Enhanced Phase Change Material for Cooling of Surface Acoustic Wave Sensor

open access: yesFluids, 2021
The use of resonators, filters, interdigital transducers (IDT) and stable sources in electronic industry is widespread today. One of the most used filters are the surface acoustic wave (SAW) type, which is mostly based on Rayleigh waves propagation on ...
Mohammad Yaghoub Abdollahzadeh Jamalabadi
doaj   +1 more source

Introducing Experience Goals into Packaging Design [PDF]

open access: yes, 2016
Consumer experiences are an increasingly important driving force for commerce, affecting also packaging design. Yet, experience design for packages is rarely studied.
Roto, Virpi   +3 more
core   +1 more source

New Thermal Design Strategy to Achieve an 80-kg-Class Lightweight X-Band Active SAR Small Satellite S-STEP

open access: yesAerospace, 2021
The main objective of the S-STEP (the Small Synthetic Aperture Radar (SAR) Technology Experimental Project (S-STEP)) mission is developing an 80-kg-class active X-band SAR observation small satellite. For lighter, smaller, better, and cheaper development
Tae-Yong Park   +5 more
doaj   +1 more source

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