نتایج جستجو برای: towing tank
تعداد نتایج: 14988 فیلتر نتایج به سال:
Towing sleds while walking is a popular resistance exercise for the healthy athlete. One reason for the popularity of sled towing is that it is widely believed to be a ‘functional’ exercise. Preliminary research suggests towing while walking can increases lower extremity moment impulses; however whether towing a sled utilizes the same coordination patterns as un-resisted walking is unknown. Whi...
This paper aims to describe a deterministic generation of extreme waves in a typical towing tank. Such a generation involves an input signal to be provided at the wave maker in such a way that at a certain position in the wave tank, say at a position of a tested object, a large amplitude wave emerges. For the purpose, we consider a model called a spatial-NLS describing the spatial propagation o...
Renewable energy resources need to be explored to maintain and meet energy demand and replace the slowly depleting fossil fuels. Malaysia, surrounded by sea with long coastlines, is poised to exploit the potential of this energy. This research work aims at designing a suitable device to extract energy from Malaysian sea current. Malaysia’s ocean has a low current velocity averaging 0.56 m/s, ...
The purpose of this study was to determine the influence of towing force magnitude on the kinematics of supramaximal sprinting. Ten high school and college-age track and field athletes (6 men, 4 women) ran 60-m maximal sprints under 5 different conditions: Nontowed, Tow A (2.0% body weight [BW]), Tow B (2.8% BW), Tow C (3.8% BW), and Tow D (4.7% BW). Three-dimensional kinematics of a 4-segment ...
Objectives: The purpose of this study was to assess the practical use of heavy sled towing and its acute implications on subsequent sprint acceleration performance. Design and Methods: Eight healthy male varsity team sport athletes (age: 21.8 ± 1.8years, height: 185.5 ± 5.0cm, weight: 88.8 ± 15.7kg, 15m sprint time: 2.66 ± 0.13s) performed sprints under three separate weighted sled towing condi...
nergy efficiency is a global goal in the fight against warming. Research on reducing drag one of ways to improve energy efficiency. The research method used injection micro-sized bubbles and ultra-fine barge ship model. Microbubble Drag Reduction (MBDR) Ultrafine Bubble (UFBDR) are two methods that can play an essential role surface ship's hull. Factors affect effectiveness these ratio, locatio...
In recent years, the International Maritime Organization (IMO) has gradually introduced more stringent new Ship Energy Efficiency Design Index (EEDI) bills, and transport ships are inclined to reduce speed increase length square coefficient meet design requirements. However, size of ship model that can be accommodated in towing tank is seriously limited. Under action scale effect, accuracy pred...
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