scholarly journals RESEARCH OF THE SETTLEMENT OF PRAGUE-KORCHAK CULTURE IN RIVNE CITY

2021 ◽  
Vol 40 (3) ◽  
pp. 122-130
Author(s):  
O. P. Voitiuk ◽  
B. A. Pryshchepa
Keyword(s):  
Middle Ages ◽  
Main Type ◽  
Residential Buildings ◽  
Medium Size ◽  
Detection Level ◽  
Foundation Pit ◽  
Wooden Frame ◽  
The Earth ◽  
And Storage ◽  
Clay Pots

The paper introduces into scientific circulation the results of research of the objects of Early Slavs of the Prague-Korchak culture in a multi-layered settlement in the southern part of Rivne city. The settlement is located on the eastern shore of the Basiv Kut Reservoir, on the oval hill measuring 220 Ч 120 m. The first finds of the Early Middle Ages were discovered here by V. K. Piasetskyi in 1989. In 2019, the excavations were carried out on the area of 590 m2; the housing and storage pit of the Prague-Korchak culture have been discovered. The quadrangular foundation pit of 3.5 Ч 3.5 m square was sunk into the earth to the 0.3—0.4 m from detection level. The remains of stone stove made on the wooden frame were located in the northern corner of the dwelling. Such semi-dugout dwellings with the stove in one of corners was the main type of residential buildings in the population of the Prague-Korchak culture. The pillar holes found in the corners of the foundation pit and in the middle of the walls indicate the frame-pillar construction of the wooden walls. Among the stones from the destroyed stove and on the earthen floor in the central part of the foundation pit of the dwelling the remains of nine clay pots were found. We managed to reconstruct the full profiles of seven of them; two else vessels are represented by the profiles of the upper parts. The pots from the dwelling have a conical body, weakly marked shoulder, scarcely marked neck and short rim. The surface of the item is insufficiently smoothed and bumpy. The admixtures in the clay are mostly of small and medium size, with added fireclay, grus and sand. By their size the vessels are divided into small (1), medium (5) and large (3). All pots from the dwelling belong to variants 1—3 of the first type according to I. P. Rusanova’s classification. This combination is typical of the early monuments of the Prague-Korchak culture. The analysis allows attributing the ceramic complex from Rivne to phaze 1 according to I. O. Havritukhin and to date it as belonging to the second half of 5th — mid-6th centuries. The settlement was not large; two or three farmsteads could simultaneously exist there. They were located at a distance of 100—150 m from each other.

scholarly journals Estimation of Energy Activity and Flexibility Range in Smart Active Residential Building

Smart Cities ◽  
2019 ◽  
Vol 2 (4) ◽  
pp. 471-495
Author(s):  
Viktor Stepaniuk ◽  
Jayakrishnan Pillai ◽  
Birgitte Bak-Jensen ◽  
Sanjeevikumar Padmanaban
Keyword(s):  
Renewable Energy ◽  
Energy Management ◽  
Storage Tank ◽  
Residential Buildings ◽  
Renewable Energy Sources ◽  
Hot Water ◽  
Active Management ◽  
Worst Case ◽  
And Storage ◽  
Storage Units

The smart active residential buildings play a vital role to realize intelligent energy systems by harnessing energy flexibility from loads and storage units. This is imperative to integrate higher proportions of variable renewable energy generation and implement economically attractive demand-side participation schemes. The purpose of this paper is to develop an energy management scheme for smart sustainable buildings and analyze its efficacy when subjected to variable generation, energy storage management, and flexible demand control. This work estimate the flexibility range that can be reached utilizing deferrable/controllable energy system units such as heat pump (HP) in combination with on-site renewable energy sources (RESs), namely photovoltaic (PV) panels and wind turbine (WT), and in-house thermal and electric energy storages, namely hot water storage tank (HWST) and electric battery as back up units. A detailed HP model in combination with the storage tank is developed that accounts for thermal comforts and requirements, and defrost mode. Data analytics is applied to generate demand and generation profiles, and a hybrid energy management and a HP control algorithm is developed in this work. This is to integrate all active components of a building within a single complex-set of energy management solution to be able to apply demand response (DR) signals, as well as to execute all necessary computation and evaluation. Different capacity scenarios of the HWST and battery are used to prioritize the maximum use of renewable energy and consumer comfort preferences. A flexibility range of 22.3% is achieved for the scenario with the largest HWST considered without a battery, while 10.1% in the worst-case scenario with the smallest HWST considered and the largest battery. The results show that the active management and scheduling scheme developed to combine and prioritize thermal, electrical and storage units in buildings is essential to be studied to demonstrate the adequacy of sustainable energy buildings.

Aristotle's Unmoved Movers

Traditio ◽  
1946 ◽  
Vol 4 ◽  
pp. 1-30 ◽  
Author(s):  
Philip Merlan
Keyword(s):  
Middle Ages ◽  
The Other ◽  
World Picture ◽  
The Earth ◽  
Concentric Spheres ◽  
The One ◽  
The Universe ◽  
The Middle Ages

According to Aristotle all heavenly movement is ultimately due to the activity of forty-seven (or fifty-five) ‘unmoved movers'. This doctrine is highly remarkable in itself and has exercised an enormous historical influence. It forms part of a world-picture the outlines of which are as follows. The universe consists of concentric spheres, revolving in circles. The outermost of these bears the fixed stars. The other either bear planets or, insofar as they do not, contribute indirectly to the movements of the latter. Each sphere is moved by the one immediately surrounding it, but also possesses a movement of its own, due to its mover, an unmoved, incorporeal being. (It was these beings which the schoolmen designated as theintelligentiae separatae.) The seemingly irregular movements of the planets are thus viewed as resulting from the combination of regular circular revolutions. The earth does not move and occupies the centre of the universe. Such was Aristotle's astronomic system, essential parts of which were almost universally adopted by the Arabic, Jewish, and Christian philosophers of the Middle Ages.

scholarly journals Computational Modeling and Simulation to increase Laser Shooting Accuracy of Autonomous LEO Trackers

2021 ◽  
Author(s):  
Jose M. Gambi ◽  
Maria L. Garcia del Pino ◽  
Jonathan Mosser ◽  
Ewa B. Weinmüller
Keyword(s):  
Computational Modeling ◽  
Modeling And Simulation ◽  
Computational Procedure ◽  
Laser Beams ◽  
Medium Size ◽  
The Earth ◽  
Computational Modeling And Simulation ◽  
Current Accuracy ◽  
Laser Trackers

In this paper, we introduce a computational procedure that enables autonomous LEO laser trackers endowed with INSs to increase the current accuracy when shooting at middle distant medium-size LEO debris targets. The code is designed for the trackers to throw the targets into the Atmosphere by means of ablations. In case that the targets are eclipsed to the trackers by the Earth, the motions of the trackers and targets are modeled by equations that contain post-Newtonian terms accounting for the curvature of space. Otherwise, when the approaching targets become visible for the trackers, we additionally use more accurate equations, which allow to account for the local bending of the laser beams aimed at the targets. We observe that under certain circumstances the correct shooting configurations that allow to safely and efficiently shoot down the targets, differ from the current estimations by distances that may be larger than the size of many targets. In short, this procedure enables to estimate the optimal shooting instants for any middle distant medium-size LEO debris target.

scholarly journals An Experimental Study on the Ecological Support Model of Dentate Row Piles

2020 ◽  
Vol 2020 ◽  
pp. 1-12 ◽  
Author(s):  
Yousheng Deng ◽  
Zhihe Cheng ◽  
Mengzhen Cai ◽  
Yani Sun ◽  
Chengpu Peng
Keyword(s):  
Building Materials ◽  
Soft Soil ◽  
Earth Pressure ◽  
Shallow Foundation ◽  
Laboratory Model ◽  
Foundation Pit ◽  
Maximum Displacement ◽  
Single Row ◽  
The Earth ◽  
Soil Foundation

Bamboo is highly renewable and biodegradable with good short-term strength, which meets the requirement for temporal support structures in shallow foundation pits. Based on this, we conducted a laboratory model test on the dentate bamboo micropile support structure combined with environmentally friendly building materials and new type of piles, to explore the stress characteristics, stress change regularity, and the support effect of the system in soft soil foundation pits. The results show that the earth pressure on the pile sides above the excavation surface gradually decreases with an increase in the excavation depth. The bending deformation of the bamboo pile was also significant. The results also show that the earth pressure and the pile strain below the excavation surface change slightly during the excavation process. When the short sides of the foundation pit were loaded, the highest strain was recorded in the piles 4 and 11. A maximum strain of 358.93 με was recorded, and the maximum displacement of the pile in the top part was obtained to be only 2.14 mm. The most subsidence of dentate pile obtained is only 1.88 mm, whereas that of the single-row pile is 2.35 mm. Compared to the traditional single-row pile, the dentate piles can effectively reduce the horizontal deformation as well as the surface subsidence effectively. They can also support more external lateral load, and hence maintain the foundation stability and give better support. The results provide a theoretical basis for ecological bamboo support technology and have great value to be promoted.

The Age of the Earth From Judaic Traditional Literature

1984 ◽  
Vol 3 (2) ◽  
pp. 169-173 ◽  
Author(s):  
Dov Ginsburg
Keyword(s):  
Middle Ages ◽  
Present Knowledge ◽  
Religious Philosophy ◽  
The Earth ◽  
The Middle Ages

The calculation of the Earth's age, based on ascribing approximately 40 years to each generation mentioned in the Talmud, results in a total of 5,740 years from the "birth" of Adam. For modern scientists holding traditional viewpoints, this "dating" has led to conflicts which have been explained by various semantic gymnastics. The most common of these is that the Biblical "six days of creation" refers not to days as we know them, but to vast periods of time. However, an examination of the writings of Rabbi Abbahu, Rabbi Abbaye, in the Talmud and Midrash, suggest a concept more akin to our present knowledge. Simon Hahasid in the Talmud estimated the Earth's age as 40,000 years. Based on these early sages, many writers of Jewish religious philosophy in the 10th-12th centuries give ages of the Earth from 50,000 to 100,000 years. Certain Kabbalists from Spain in the 12-13 centuries calculated the Earth's age at 900,000 to 2.5 billion years. A continuation of these concepts are expressed throughout Jewish traditional literature from the Middle Ages to the present by Jewish philosophers and Rabbis such as Maimonides, Rabbi Judah Halevi, Rabbi Israel Lipschitz and others.

Use Horizontal Aeration Method to Treat Organic Pollution in Soil

2014 ◽  
Vol 989-994 ◽  
pp. 1364-1367
Author(s):  
Lu Yang Xu
Keyword(s):  
Ground Water ◽  
Gas Phase ◽  
Organic Pollution ◽  
Foundation Pit ◽  
Concentration Difference ◽  
The Earth ◽  
Phase Concentration ◽  
Horizontal Arrangement

This design adopts the method of horizontal arrangement to set the aerator pipes because it’s more effective than an upright way. The pipes are divided into two vertical levels. Firstly there should be an excavation of foundation pit or grooves to put the pipes in two levels. Then the pipes in two levels can be set at vertical directions. After burying the pipe the earth should be backfilled into the grooves. When backfilling the lower level groove, we put some certain microorganism to help cleaning the organic pollution. While working, the pipes above are mainly used to manufacturing gas phase concentration difference, letting the organic volatilize and goes into the atmosphere. The pipes in lower level are mainly used to provide oxygen to microorganisms in the soil, so that they can decompose organic and make them into inorganic which is no harm to the soil and ground water.

scholarly journals Correction of Earth Pressure and Analysis of Deformation for Double-Row Piles in Foundation Excavation in Changchun of China

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Yijun Zhou ◽  
Aijun Yao ◽  
Haobo Li ◽  
Xuan Zheng
Keyword(s):  
Physical Model ◽  
Model Test ◽  
Large Scale ◽  
Similarity Theory ◽  
Earth Pressure ◽  
Physical Model Test ◽  
Deep Foundation ◽  
Foundation Pit ◽  
Double Row ◽  
The Earth

In order to study the earth pressure and the deformation behavior of the double-row piles in foundation excavation, a large-scale physical model test was introduced to simulate deformation of double-row piles in foundation excavation based on the principle of similarity theory in this paper. Represented by the deep foundation pit engineering of Changchun, the strain and the displacement of the double-row piles and the earth pressure are calculated by the above-mentioned physical model test. Then a numerical simulation has been carried out to validate practicability of the physical model test. The results show that the strain and the displacement of the front-row piles are larger than the back-row piles. The earth pressure of the front-row piles appears to be “right convex,” correcting the specification of the earth pressure and putting forward the coefficient of β. The results in this paper may provide constructive reference for practical engineering.

Nature Godly and Beautiful: The Iconic Earth

2001 ◽  
Vol 31 (1) ◽  
pp. 113-155 ◽  
Author(s):  
Bruce Foltz
Keyword(s):  
Middle Ages ◽  
Natural Environment ◽  
Environmental Philosophy ◽  
Western Art ◽  
Late Middle Ages ◽  
The Earth ◽  
Latin West ◽  
Technical Mastery ◽  
Byzantine Icon ◽  
Divine Beauty

AbstractRooted in a tradition of thought and spirituality akin to, yet other than, the onto-theology of the Latin West, the aesthetico-theological experience of the Byzantine icon can help articulate aesthetic and numinous elements of our relation to nature that environmental philosophy should no longer ignore. In contrast to the technical mastery of the natural in Western art inaugurated by the Renaissance, itself related to the emerged technological mastery of nature in the late Middle Ages, the iconic sensibility characteristic of the Byzantine East exhibits an experience of materiality common to non-Western humanity, seeing nature as a visible window to the invinsible, a lintel of the holy. A series of correlations between features of iconic seeing and exemplary encounters with the natural environment by prominent naturalists elaborates this thesis, along with examples from the later writings of Dostoevsky, who looked to divine beauty to save the earth.

scholarly journals An accounting of the shooting stars of 1095 and 1243

1843 ◽  
Vol 4 ◽  
pp. 210-211
Keyword(s):  
Middle Ages ◽  
The Earth ◽  
As If ◽  
The Middle Ages

The author gives citations from several chronicles of the middle ages descriptive of the remarkable appearance of shooting stars which occurred on the 4th of April, 1095, on the testimony of independent witnesses both in France and England. One of them describes them as “ falling like a shower of rain from heaven upon the earth:" and in another case, a bystander, having noted the spot where the aerolite fell, “cast water upon it, which was raised in steam, with a great noise of boiling.” The Chronicle of Rheims describes the appearance as if all the stars in heaven were driven, like dust, before the wind. A distinct account of the shooting stars of July 26th, 1293, is given by Matthew Paris.

scholarly journals The Ebstorf Map: tradition and contents of a medieval picture of the world

2014 ◽  
Vol 5 (2) ◽  
pp. 155-161 ◽  
Author(s):  
G. Pischke
Keyword(s):  
Middle Ages ◽  
Jesus Christ ◽  
Central Importance ◽  
The Earth ◽  
The World ◽  
The Middle Ages

Abstract. The Ebstorf Map (Wilke, 2001; Kugler, 2007; Wolf, 2004, 2006, 2007, 2009a, b), the largest medieval map of the world whose original has been lost, is not only a geographical map. In the Middle Ages, a map contained mystic, historical and religious motifs. Of central importance is Jesus Christ, who, in the Ebstorf Map, is part of the earth. The Ebstorf Map contains the knowledge of the time of its creation; it can be used for example as an atlas, as a chronicle of the world, or as an illustrated Bible.

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