![]() No prominent thrust peak exists with the half cosine profile whose thrust continuously increases during the jetting. For the cosine profile, its peak is mainly sourced from momentum flux associated with the unsteady vortex ring formation. Regarding thrust production, our analysis based on conservation of momentum indicates that with the constant profile the peak thrust is dominated by the time derivative of the fluid momentum inside the body, while momentum flux related thrust accounts for the quasi-steady thrust. This is because stronger interaction between the jet flow and background flow makes it harder to feed the leading vortex ring. ![]() We find that the maximum circulation of the vortex ring is reduced at a higher background flow velocity. Three jet velocity profiles, i.e., constant, cosine and half cosine, are considered. By prescribing the body deformation and jet velocity profile, we numerically investigate the jet flow field and propulsion performance under the influence of background flow during a single deflation procedure. Trigger warning: Video may depict animal cruelty.Inspired by recent studies of a squid-like swimmer, we propose a three-dimensional jet propulsion system composed of an empty chamber enclosed within a deformable body with an opening. Videos of people enjoying this dish have been gaining attention on TikTok, but in them, the squid is shown to be splurting, and convulsing in the spicy liquid. ![]() The sweetness of the fresh squid is said to go well with the hot sauce. By putting the head of the squid into the small glass, it will naturally try to inhale the liquid in this case, the hot sauce.Īccording to a Thai food page, ซวยชิบหายเสือกเกิดมาอร่อย, people will wait for the squid to suck up the liquid before taking a bite out of its head to eat, or to eat the body whole, so that the hot sauce can burst in their mouth. Putting aside the harm the squid shots may cause to humans, some argue that this snack is a form of animal cruelty because the squids are submerged into the spicy liquid while still alive. IMAGE: kumkarit / Twitter It's not just about the humans. The blue-ringed octopus, skewered and grilled. Even if it is cooked, the poison is still potent, and things can end badly for the person consuming it. The bodies of these octopuses contain tetrodotoxin, which can cause respiratory issues, heart failure, paralysis, and even death among other things. ![]() In Bangkok, there have been cases of people selling grilled blue-ringed octopus in night markets and restaurants. However, you still need to look out for some species of marine life that are dangerous to consume even after cooking. The department advised that the safest way to eat squid is to ensure it has been cleaned properly, and cooked by heat at around 70☌ (158☏) for two minutes, so that it will reduce the risk of germs. There is still a risk of finding anisakid nematodes in the raw squid, and though it is only 2 to 5 centimeters long (0.78 to 1.96 inches), this parasite can cause nausea, stomach pain, and clogged intestines. He also added that eating raw squid can cause severe food poisoning, which in turn can result in ulcerative colitis, a long term condition where both the rectum and colon are inflamed.Īnd that doesn't even include the risk of parasites that the raw marine life may carry. ![]() The bacteria can cause acute gastroenteritis, which can lead to diarrhea, vomiting, and severe abdominal pain when consumed. Thai Department of Health Director Suwanchai Wattanayingcharoenchai has said that the raw squid may contain vibrio parahaemolyticus, a bacteria commonly found in marine ecosystems. And while it may look like something worth posting on social media, it can be dangerous for consumption, and is also inherently cruel to the very much alive squids. This strange snack is called a "squid shot". The trend of consuming a live squid dunked into a shot glass full of spicy chili sauce has grown in popularity on TikTok in Thailand. ![]()
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