Atmospheric ice is a naturally occurring mixture with lots of variations. It doesn't only bind the chemistry water, but also its physics. The variations this complex are directly associated surrounding dynamics. In paper we mainly concerned about in electrical properties atmospheric due to variation temperature, conductivities, volumetric contents and relaxation time. All these conveniently measured using permittivity/dielectric sensing principles. Also calculations can later be utilized...

Atmospheric icing on wind turbines have been recognized as a hindrance to the development of power in cold regions, where uncertainty surrounding effects energy production may prevent otherwise good resources from being utilized. This research paper is focused numerically simulate rate and shape atmospheric ice accretion full-scale horizontal axis turbine blade. Computational fluid dynamics based multiphase numerical analyses carried out results showed decrease growth along leading edge with...

Earthquakes causes severe damage to badly designed structures or buildings fail collapse, and also have caused some well-designed malfunction due the failure of equipment housed in structure building. The use magnetorheological dampers mitigate effect external excitation is increased resolve this. This article a state art review nonlinear analytical models understand efficacy semi-active control theory for dampers. A semi active law desired be which atleast guarantees closed loop stability...

Study of atmospheric ice accretion on a non-rotating vertical circular cylindrical object was carried out at dry and wet conditions. Both numerical experimental techniques were used during this study. 3D study using computational fluid dynamics based approach, whereas Cryospheric Environmental Simulator ‘CES’ in Shinjo, Japan. A good agreement found between results. The dimensions the to measure load structures along study, selected as per ISO12494 standard. Results provide useful...

This paper describes the numerical study of atmospheric ice accretion on rotating geometric cross sections, circular, hexagon and square, all having fins, to select an optimum section for use as a part newly-proposed designed icing sensor. Computational fluid dynamics-based analyses were carried out in this research work understand analyse growth these sections at varying operating parameters. A comparison accreted profile shapes from analysis was also made with experiments, cryospheric...

Measurement of icing load on a high voltage power conductor and wind turbine is crucial deliverable to optimize the performance production. Cognitive Decision Making was required understand complexity problem in order design develop prototype rotary atmospheric sensor which utilizes stepping motor avoid closed loop system. This manufactured using rapid prototyping technical facility at HiN measure rate. The aim this paper describe decision making process for manufacturability new uses...

Analyses of atmospheric icing events hold the key for computing significant parameters leading to load calculations. In cold regions high north, loads on structures become important when it comes design and safety infrastructures. Furthermore, calculations over a certain period time provide vital input designers improve structures. Patterns can be evaluated in correlation with other meteorological such as temperature, relative humidity wind speed better estimate loads. A field study has been...

Mutual charge transfer technique is utilized to detect atmospheric ice, icing type and rate leading develop an sensor. As extended version of capacitive technique, mutual more robust reliable because the errors associated with transformations can be minimized by using this scheme where zero crossover time signal a potential indicator. This paper outlines laboratory based experimental results obtained in order indicate event distinguish between different ice monitor real melting rate.

Water hammer phenomenon involves the transformation of kinetic energy in pressure energy, this occurs as fluid conditions change inside pipe quite a short time. Industry requires to affront frequent flow interruptions systems due closing valves or stopping pumping equipment. This can initiate serious damages like destruction system involving leakage working environment. If operates fragile environment, cold regions, concern about consequences increases variation physical properties well...

It was aimed to design an effective and efficient space frame chassis that satisfies the constraints regulations of Formula SAE. The must be capable being constructed from materials resources available, while also considering other component requirements such as engine, drive train suspension. This paper is a cognitive overview CAE tools manufacture racecar within prevailing constrains.

The offshore activities in cold waters have moved from shallow to deep sea waters, which require different operations as compared hot water. Such regions like arctic may be effected by the ice accretion on deck and other areas of structure. Ice mainly accretes both spray atmospheric icing, can create problems for operational environment safety people working structures regions. In this research a lab based experimental study has been carried out preliminary design test an intelligent thermal...

It is aimed to design and develop an innovative simple ice sensing device (prototype), capable measure atmospheric icing rate thickness. This new will have adequate performance; based upon varying capacitance on its surroundings through E-driven technology. The instrumentation expected be supported by embedded technology micro-electronic devices for mathematical logical computations, hence providing effective driving signals electromechanical platform.

Non steady state thermal conductivity of ABS was estimated using an analytical approach in a Cold Climate Chamber at ?10?C and ?14?C. Two hollow cylinders varying thickness were used to estimate the conductivity. The material porous but porosity unknown. This paper is case study understand, if it reasonable approach.

Atmospheric ice; a complex mineral with varying dielectric properties at excitation frequencies can be ideally analytically modelled by Debye relations. However the ideal response of atmospheric ice conductivity deviates from experimental results temperatures. Jonscher's proposed Universal Dielectric Response 'UDR' is not sufficient for heterogeneous materials like ice, as it only encompass nonlinear function frequency; whereas in freezing domain's dipolar vibrations are relatively less...

This paper exhibits significance of ice sensory in unmanned aerial vehicle (UAV) as remote monitoring unit and discuss the significant factors incorporated autopilot design implementation for reliable operation. UAVs' methodologies are discussed suitable options evaluated.