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Volume 6 Issue 11 (November 2019)

S.No. Title & Authors Page No View
1

Title : Research On Cruise Trajectory Prediction During Voyage Test Based On AIS Data

Authors : Hong Zhou, Qiyi Zhang

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Abstract :

In the course of voyage test, cruise ships usually chose preset voyage forward, but sometimes captain would choose to operate the ship by himself. Based on the analysis of cruise ship accidents over the years, it was found that the accident of the cruise ship hitting rocks or colliding occurs frequently due to the captain's subjective preference in choosing the route. The purpose of this paper was using python to make a timely judgment of the risk when the captain deviated significantly from the scheduled route, but it was not necessarily dangerous to stay away from the scheduled route, and the reliable basis to ensure the safety of the route was that there have been cruises that have chosen to sail in parallel. This paper helped find a way to judge whether the route is dangerous or not. The basis for judging whether the route dangerous or not is the large gap between the current route and the predicted route after the classification and regression of the cruise's Therefore, this article need to find a way to simply and precisely forecast steps on the captain's route choice for dangerous discernment.

1-7
2

Title : Effect of jet positioning on the heat transfer of a multiple jet impingment

Authors : Dr Niranjan Murthy, Ram madhavan, Rohith Virinchi, David Zomuanpuia

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Abstract :

The use of impinging multiple water jets in electronic  thermal management is attracting some consideration due to their very high heat transfer coefficients. In this investigation an experimental study of cooling capabilities of impinging water jet array is presented. Investigations were carried out using electrically heated test plate.  Heat flux in the range of 25 to 200W/cm2, which is a typical requirement for cooling high power electronic components was dissipated.

8-10
3

Title : Rapid detection method of ship ballast water biomass based on spectrophotometry

Authors : Yue Lin, Haibo Li, Gonghui Zhang, Zhenhui Chen, Yang Liu

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Abstract :

The invasive aquatic species carried by ship ballast water has caused serious environmental damage and great economic loss worldwide. The issue of ship ballast water discharge has received extensive attention in recent years. According to the IMO Ballast Water Management Convention, The vast majority vessels must perform ballast water treatment that complies with a set of parameters according to regulation D-2. Thus, it is urgent to solve the problem of testing the quantity of organisms in ballast water. But few report has been made on the fast microbial counting method that can really support the D-2 standard in ship ballast water and the existing technology methods have obvious disadvantages. In the study, we reported a rapid detection method of ship ballast water biomass based on spectrophotometry. This method can be used for rapid and convenient detection of microalgae cell biomass of 10-50um in ship ballast water, and has the advantages of portability, speed, simplicity and no need of fluorescence probe.

11-13
4

Title : Numerical solution of inverse source problem for one-dimensional integer/fractional order diffusion equation by one point observation data

Authors : Sen Zhang, Zhousheng Ruan

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Abstract :

In this paper, we consider reconstructing the space-dependent source of a one-dimensional fractional diffusion equation by observing the data from the left endpoint. First, we analyze the ill-posedness of the problem, and then use the Laplace transform and analytical continuation techniques to prove the uniqueness of the inverse source problem. Then, the inverse source problem is transformed into a variational optimization problem by Tikhonov regularization method. The gradient of the functional is derived based on the idea of variational adjoint method, and then the conjugate gradient method is used to solve the problem. Finally, we give several numerical examples to show the effectiveness of the proposed method.

14-18
5

Title : Some operators acting on functional of discrete-time quantum Bernoulli noises

Authors : Lixia Zhang, Caishi Wang, Jia Shi, Yin Zhang

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Abstract :

In this paper, we present some commutation relations of operators, which act on functional of discrete-time quantum Bernoulli noises.

19-20