Abstract: The invention relates to a flow arrangement (3) for a solar system as well as a solar system having such a flow arrangement (3). The solar system includes an arrangement of photovoltaic solar modules (1) which are aligned inclined to the horizontal and which face toward the sun with an irradiation side (2). The flow arrangement (3) is for generating a water film (4), which forms on the irradiation side (2) of the solar modules (1) and flows exposed to the ambient. The flow arrangement (3) also includes a water outlet (6) extending in a horizontal transverse direction (5). The flow arrangement (3) further includes at least two quieting chambers (7, 8). The last quieting chamber (8) in the throughflow direction is provided with a water outlet (6). A partition wall (9) runs between the quieting chambers (7, 8) and has a flow-over edge (10) which extends in the horizontal transverse direction (5).

Abstract: In a method for determining alignment of line formations of a web, a radiation source emitting radiation and a detector with numerous radiation sensors for sensing the radiation are provided. The radiation source and the detector are reciprocated together simultaneously transversely across the web. During reciprocation across the web, at least one measuring location of the web is irradiated by the radiation source and measured values, based on local radiation intensities are measured by the radiation sensors of the detector. The measured values are communicated to a computer. The computer generates, based on the measured values and the relative positions of the radiation sensors to one another, a local structural image of the at least one measuring location of the web.

Abstract: A sensor for radiation pyrometric determination of the temperature of an object has a heat-conducting housing having a heat-transmissive window. At least one thermocolumn, consisting of thermocouples, is arranged in the housing. Each thermocouple consists of wire elements connected to one another. The wire elements consist of materials that are thermo-electrically active relative to one another. A support body is positioned in the housing and has a first end face facing the window. The support body consists of a heat-resistant, heat-insulating material. The support body has first throughbores extending from the end face through the support body. Each first throughbore receives one wire element. The wire elements have a first connecting location facing the window and positioned above the end face of the support body. The first connecting locations are heat radiation-sensitive.