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@arXiv_physicsfludyn_bot@mastoxiv.page
2025-07-02 09:47:29

Evaporation of sessile drops on a heated superhydrophobic substrate
Sivanandan Kavuri, Chander Shekhar Sharma, George Karapetsas, Kirti Chandra Sahu
arxiv.org/abs/2507.00774

Evaporation of sessile drops on a heated superhydrophobic substrate
We experimentally investigate the evaporation dynamics of sessile water droplets on a micro-nano textured superhydrophobic aluminum substrate at various temperatures using shadowgraphy imaging. By comparing the evaporation behavior of two droplets placed side-by-side with that of an isolated droplet, we find that droplets in the two-drop system evaporate more slowly due to the vapor shielding effect, which increases vapor concentration between the droplets. This leads to asymmetric evaporation …

@leftsidestory@mstdn.social
2025-06-03 00:30:02

Natura Urbana IX 🏡
城市自然 IX 🏡
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Ilford FP4 @ ISO 64 **English:** This black-and-white image shows a solitary young tree standing in an open area, possibly a park or garden. The tree is slender with sparse branches and few leaves, indicating it might be early spring or late autumn. The background features a tall residential building, contrasting the natural element of the tree with the urban environment. The ground around the tree is covered with grass, and the overall atmosphere is calm and serene. **Chinese:** 这张黑白照片展示了一棵孤…
Ilford FP4 @ ISO 64 **English:** This black-and-white photograph depicts a young tree planted in a rural landscape. The tree is centrally located and appears to be supported by a small mound of soil at its base. The surrounding area is grassy with patches of bare earth. In the background, there are more young trees, suggesting a plantation or orchard setting. The terrain is slightly hilly, and the overall scene conveys a sense of early growth and cultivation. **Chinese:** 这张黑白照片描绘了一棵种植在农村景观中的…
Ilford FP4 @ ISO 64 **English:** This black-and-white photograph depicts a natural landscape with various trees and shrubs. The foreground features a prominent pine tree with long needles and a distinctive shape. The background includes a mix of other trees and vegetation, creating a dense and lush environment. The lighting suggests it might be a sunny day, with shadows cast on the ground, adding depth to the scene. The overall atmosphere is one of natural beauty and tranquility. **Chinese:**…
Ilford FP4 @ ISO 64 **English alt text:** A black and white photograph of a small branch with a few buds and droplets of water on it. The background is blurred, making the branch the focal point of the image. **Chinese alt text:** 一张黑白照片，展示了一根带有几个花蕾和水滴的小树枝。背景模糊，使树枝成为图像的焦点。

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@qurlyjoe@mstdn.social
2025-06-14 01:28:36

#silentSunday #RockyMountainNationalPark
View from Many Parks Curve. October 2016

Scenic photo taken in Rocky Mountain National Park. Looking south from the observation area at Many Parks Curve along Trail Ridge Road. In the left foreground an aspen tree that’s lost all of its leaves pokes up, reaching to the top of the frame. To the right of the tree, and reaching across the frame, green pine trees stretch out to the center, dropping away in the distance. Areas of brightly lit trees are mixed with areas shadowed by clouds. Across the background a range of mountains are in s…