Thermal Examination of a MLS Gasket with Integrated Sensor Technology for an Effective Heat Management

2003 ◽  
Author(s):  
Matthias Laske ◽  
Josef Ludwig ◽  
Günther Unseld ◽  
Alfred Weiß
Keyword(s):  
Sensor Technology ◽  
Heat Management ◽  
Integrated Sensor ◽  
Effective Heat

All‐in‐one solar interfacial evaporation system with highly effective heat management and water collection

Solar RRL ◽  
2021 ◽  
Author(s):  
Renzhong Deng ◽  
Chaorui Xue ◽  
Qing Chang ◽  
Jinlong Yang ◽  
Shengliang Hu
Keyword(s):  
Heat Management ◽  
Effective Heat ◽  
Highly Effective ◽  
Water Collection

Laser welding with highly integrated sensor technology – Implemented in industry

2010 ◽  
Author(s):  
M. Kogel-Hollacher ◽  
J. Mueller-Borhanian ◽  
D. Wildmann ◽  
B. Schuermann ◽  
P. Goerdes
Keyword(s):  
Laser Welding ◽  
Sensor Technology ◽  
Integrated Sensor

scholarly journals Keeping older individuals cool in hot and moderately humid conditions: wetted clothing with and without an electric fan

2020 ◽  
Vol 128 (3) ◽  
pp. 604-611
Author(s):  
Matthew N. Cramer ◽  
Mu Huang ◽  
Gilbert Moralez ◽  
Craig G. Crandall
Keyword(s):  
Heart Rate ◽  
Management Strategy ◽  
Heat Waves ◽  
Tap Water ◽  
Thermal Strain ◽  
Heat Strain ◽  
Older Individuals ◽  
Heat Management ◽  
Mass Losses ◽  
Effective Heat

The present study evaluated whether wearing a water-soaked t-shirt, with or without electric fan use, mitigates thermal and cardiovascular strain in older individuals exposed to hot and moderately humid conditions. Nine healthy older individuals (68 ± 4 yr; five women) completed three 120-min heat exposures (42.4 ± 0.2°C, 34.2 ± 0.9% relative humidity) on separate days while wearing a dry t-shirt (CON), a t-shirt soaked with 500 ml of tap water (WET), or a t-shirt soaked with 500 ml of tap water while facing an electric fan (2.4 ± 0.4 m/s; WET+FAN). Measurements included core and skin temperatures, evaporative mass losses, heart rate, and blood pressure. In the WET condition, elevations in core temperature were attenuated compared with DRY from 30 to 120 min and compared with WET+FAN from 30 to 90 min ( P < 0.05). Evaporative mass losses (inclusive of sweat and water losses from the shirt) were greatest in WET+FAN, followed by WET, and then DRY ( P < 0.01). Sweat losses were lowest in WET, followed by DRY, and then WET+FAN ( P < 0.01). Heart rate was lower only at 60 min in WET versus DRY ( P = 0.01). No differences in mean arterial pressure were observed ( P = 0.51). In conclusion, wearing a water-soaked t-shirt without, but not with, electric fan use is an effective heat management strategy to mitigate thermal strain and lower sweat losses in older individuals exposed to hot and moderately humid conditions. NEW & NOTEWORTHY In older individuals exposed to hot and moderately humid environments, electric fan use coupled with a water-soaked t-shirt exacerbates sweat losses without mitigating heat strain compared with a dry t-shirt. However, wearing a water-soaked t-shirt without fan use reduces sweat losses and attenuates heat strain compared with a dry t-shirt and a fan/water-soaked t-shirt combination. These findings suggest wearing a water-soaked t-shirt is an effective heat-management strategy for older individuals during heat waves when air conditioning is inaccessible.

Development of Shape Memory-Based Elastic-Adaptive Damping Elements for Sport and Rehabilitation Equipment

2020 ◽  
Author(s):  
Fabian Hoffmann ◽  
Robin Roj ◽  
Ralf Theiß ◽  
Peter Dültgen
Keyword(s):  
Shape Memory ◽  
Training Stimulus ◽  
Functional Model ◽  
Sensor Technology ◽  
Commercial Application ◽  
Integrated Sensor ◽  
Stress Plateau ◽  
Complex Motor ◽  
Clamping Device ◽  
Additional Value

Abstract The generation and variation of forces necessary to achieve a training stimulus is often realized in sports and rehabilitation equipment by manually adjustable masses or by complex motor-brake systems. This leads to heavy and unwieldy systems, which cannot be used flexibly, and in addition to high costs. The main objective of this paper is to prove that pseudoelastic shape memory alloys (SMA) are potentially suitable for use in sports and rehabilitation equipment and offer additional value in the area of training flexibility combined with high training resistance. Therefore, the properties of pseudoelastic SMAs for this application were investigated. These multifunctional materials offer the potential for special elastic and sensory properties. The pseudoelastic effect is based on stress-induced martensite formation, which allows high elastic deformations. During this phase transformation, the mechanical stress passes through a plateau. The stress plateau can be moved by changing the temperature of the SMA. The determination of properties of pseudoelastic SMAs with different alloy compositions was carried out according to the specifications of “VDI 2248: Product Development with Shape Memory Technology”. With a functional model based on the material tests, which replaces a commercially available force clamping device, the monitoring of force, displacement and temperature changes can be realized by the integrated sensor technology. This paper presents the methodology, experiments and findings for the use of pseudoelastic SMAs in sport and rehabilitation devices. It concludes with prospects to commercial application.

Design of Wireless Sensor Network Based on PSoC

2012 ◽  
Vol 433-440 ◽  
pp. 5568-5572
Author(s):  
Yan Sheng Bao ◽  
Wei Yao ◽  
Wei Zhang
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Wireless Sensor ◽  
Sensor Technology ◽  
Embedded Computing ◽  
Integrated Sensor ◽  
Distributed Information ◽  
Wireless Usb ◽  
Entire Network

Wireless sensor network integrated sensor technology, embedded computing technology, distributed information processing technology and wireless communication technology etc. It can collect the information of objects in the network. Besides, the quality of wireless sensor network node can directly affect the life span of the entire network and the reliability of its data transmission. This paper discusses the hardware and software design of Parking Lock System in detail, using PSoC as the processor and wireless USB technology.

scholarly journals Development of an Instrumented Test Tool for the Determination of Heat Transfer Coefficients for Die Casting Applications

Metals ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1206
Author(s):  
Yosra Kouki ◽  
Sebastian Müller ◽  
Torsten Schuchardt ◽  
Klaus Dilger
Keyword(s):  
Heat Transfer ◽  
Estimation Method ◽  
Sensor Technology ◽  
Depth Sensor ◽  
Transfer Coefficients ◽  
Integrated Sensor ◽  
Heat Transfer Coefficients ◽  
Test Tool ◽  
Calculation Results ◽  
Temperature Loads

In the case of casting processes with permanent molds, there is still a relatively pronounced lack of knowledge regarding the locally prevailing heat transfer between casts and mold. This in turn results in an insufficient knowledge of the microstructure and the associated material properties in the areas of the casting component close to the surface. Therefore, this work deals with the design and evaluation of a test tool with an integrated sensor system for temperature measurements, which was applied to obtain a time-dependent heat transfer coefficient (HTC) during casting solidification. For this purpose, the setup, design and computational approach are described first. Special attention is paid to the qualification of the multi-depth sensor and the calculation method. For the calculations, an inverse estimation method (nonlinear sequential function) was used to obtain the HTC profiles from the collected data. The developed sensor technology was used in a test mold to verify the usability of the sensor technology and the plausibility of the obtained calculation results under real casting conditions and associated temperature loads. Both the experimental temperature profiles and the HTC profiles showed that, in the evaluated casting series, the peak values determined were close to each other and reached values between 6000 W/(m2·K) and 8000 W/(m2·K) during solidification.

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