A new issue of this journal has just been published. To see abstracts of the papers it contains (with links through to the full papers) click here:
http://rss.sciencedirect.com/publication/science/5282
Selected papers from the latest issue:
Selected papers from the latest issue:
Sorption characterization and actuation of a gas-gap heat switch
28 August 2011, 23:22:21
Publication year: 2011
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 27 August 2011
D., Martins , L., Ribeiro , D., Lopes , I., Catarino , I.A.A.C., Esteves , ...
Cryogenic gas-gap heat switches are rendered compact by using a sorption pump as actuating device. The sorption pump adsorbs gas when it is cooled and releases gas when it is heated. Upon desorption, the released gas lies in the gap between two blocks and increases the conduction heat transfer between them; in the reverse case - when the gas is adsorbed - the gap space between the two blocks behaves as an insulator. The temperatures at which there is sufficient desorption and adsorption of gas for actuating the ON an OFF states depend on several parameters of the gas-adsorbent system....
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 27 August 2011
D., Martins , L., Ribeiro , D., Lopes , I., Catarino , I.A.A.C., Esteves , ...
Cryogenic gas-gap heat switches are rendered compact by using a sorption pump as actuating device. The sorption pump adsorbs gas when it is cooled and releases gas when it is heated. Upon desorption, the released gas lies in the gap between two blocks and increases the conduction heat transfer between them; in the reverse case - when the gas is adsorbed - the gap space between the two blocks behaves as an insulator. The temperatures at which there is sufficient desorption and adsorption of gas for actuating the ON an OFF states depend on several parameters of the gas-adsorbent system....
Study of magnetic ranging technology in horizontal directional drilling
26 August 2011, 20:52:14
Publication year: 2011
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 26 August 2011
Tao, Liu , Boxiong, Wang
Intersection technology plays a key role in long-distance horizontal directional drilling (HDD). Magnetic ranging technology is an effective way to realize the intersection. A three-dimensional magnetic field model suitable for the cylindrical magnet connected with drilling bit was established. New formulae of magnetic induction intensity were deduced from the fundamental formulae to suit to the new magnetic ranging method. Based on the new formulae, a curve fitting model was established to complete the ranging. The whole process is simple and effective. The result of the experiment proved the feasibility of the new method and the accuracy is high enough for...
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 26 August 2011
Tao, Liu , Boxiong, Wang
Intersection technology plays a key role in long-distance horizontal directional drilling (HDD). Magnetic ranging technology is an effective way to realize the intersection. A three-dimensional magnetic field model suitable for the cylindrical magnet connected with drilling bit was established. New formulae of magnetic induction intensity were deduced from the fundamental formulae to suit to the new magnetic ranging method. Based on the new formulae, a curve fitting model was established to complete the ranging. The whole process is simple and effective. The result of the experiment proved the feasibility of the new method and the accuracy is high enough for...
Acoustically Generated Flows in Microchannel Flexural Plate Wave Sensors: Effects of Compressibility
26 August 2011, 20:52:14
Publication year: 2011
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 26 August 2011
Ersin, Sayar , Bakhtier, Farouk
Acoustically generated flowfields in flexural plate wave sensors filled with a Newtonian liquid (water) are considered. A computational model based on compressible flow is developed for the sensor with a moving wall for pumping and mixing applications in microchannels. For the compressible flow formulation, an isothermal equation of state for water is employed. The velocity and pressure profiles for different parameters including flexural wall frequency, channel height, amplitude of the wave and wave length are investigated for four microchannel height/length geometries. It is found that the flowfield becomes pseudo-steady after sufficient number of flexural cycles. Both instantaneous and time averaged...
Source: Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 26 August 2011
Ersin, Sayar , Bakhtier, Farouk
Acoustically generated flowfields in flexural plate wave sensors filled with a Newtonian liquid (water) are considered. A computational model based on compressible flow is developed for the sensor with a moving wall for pumping and mixing applications in microchannels. For the compressible flow formulation, an isothermal equation of state for water is employed. The velocity and pressure profiles for different parameters including flexural wall frequency, channel height, amplitude of the wave and wave length are investigated for four microchannel height/length geometries. It is found that the flowfield becomes pseudo-steady after sufficient number of flexural cycles. Both instantaneous and time averaged...
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