• Publications
  • Influence
Solar technologies for buildings
Preface. Abbreviations in the Text. 1. Solar energy use in buildings. Energy consumption of buildings. Meeting requirements by active and passive solar energy use. 2. Solar irradiance.Expand
  • 252
  • 29
  • PDF
Photovoltaic–thermal collectors for night radiative cooling of buildings
Abstract A new photovoltaic–thermal (PVT) system has been developed to produce electricity and cooling energy. Experimental studies of uncovered PVT collectors were carried out in Stuttgart toExpand
  • 146
  • 8
  • PDF
CITYGML-BASED 3D CITY MODEL FOR ENERGY DIAGNOSTICS AND URBAN ENERGY POLICY SUPPORT
This paper aims to evaluate the accuracy and strength of a new approach that automatically calculates the heating demand of whole district areas, modelled in 3D with the open standard CityGML. ForExpand
  • 73
  • 6
  • PDF
Combining GIS-based statistical and engineering urban heat consumption models: Towards a new framework for multi-scale policy support
Abstract Diagnosing and modelling precisely the actual energy consumption at the urban scale is the indispensable starting point of any low-carbon urban energy policy. This paper compares twoExpand
  • 73
  • 6
Large scale integration of photovoltaics in cities
For a large scale implementation of photovoltaics (PV) in the urban environment, building integration is a major issue. This includes installations on roof or facade surfaces with orientations thatExpand
  • 129
  • 5
  • PDF
Limits and potentials of office building climatisation with ambient air
One of the first passive energy standard office buildings in Europe was extensively monitored to analyse the summer performance of highly insulated, well sun-shaded and mechanically ventilatedExpand
  • 46
  • 5
  • PDF
Controlled natural ventilation for energy efficient buildings
Abstract Natural ventilation of buildings has the potential to significantly save cooling and fan electrical energy. However, it is still not widely applied, because only limited information isExpand
  • 161
  • 4
Simulation and experimental investigation into diffusion absorption cooling machines for air-conditioning applications
Abstract The paper presents the development, experimental analysis and simulation of a solar heat driven ammonia/water (NH3/H2O) diffusion–absorption cooling machine (DACM). The designed coolingExpand
  • 84
  • 4
SimStadt, a new workflow-driven urban energy simulation platform for CityGML city models
In this paper, we introduce new urban energy simulation platform SimStadt, which has been developed to support public authorities and engineering companies in the planning of the energy transition atExpand
  • 43
  • 3
  • PDF
Cooling strategies, summer comfort and energy performance of a rehabilitated passive standard office building
One of the first rehabilitated passive energy standard office buildings in Europe was extensively monitored over two years to analyse the cooling performance of a ground heat exchanger and mechanicalExpand
  • 41
  • 3
  • PDF