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Jérôme Henri Kämpf

Cette personne a quitté l’EPFL

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Publications associées (58)

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Understanding the performance gap: a machine learning approach on residential buildings in Turin, Italy

Jérôme Henri Kämpf, Roberto Boghetti

Buildings account for the highest share of primary energy usage and greenhouse gas emission in the E.U. and U.S. [1], and most of this energy is used for space and water heating. Being able to gain a broader understanding of the gap between predicted and i ...

IOP Publishing Ltd2019

Lighting simulation for External Venetian blinds based on BTDF and HDR sky luminance monitoring

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

The precise daylighting simulation in buildings can potentially contribute to designers’ and occupants’ smart utilization of it. The traditional method of employing sky models was indicated with noticeable errors in transient lighting simulation for comple ...

2018

A smart luminaire in an office environment: impact on light distribution, user interactions and comfort

Jérôme Henri Kämpf

A smart luminaire able to change the direction of its light beam is installed in an office environment and compared to the available LEDs fixtures. Standard lighting measures are performed and a controlled user experiment is conducted, involving 22 subject ...

IOP Publishing Ltd2019

An embedded system for quasi real-time lighting computation based on sky monitoring

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

Lighting simulation plays a significant role in the architectural design and evaluation of performance parameters of buildings. The general method of assuming a virtual sky in lighting simulation may lead to mismatch with the real situation, which conventi ...

2017

Optimisation of building form for solar energy utilisation using constrained evolutionary algorithms

Darren Robinson, Jérôme Henri Kämpf

In this paper we describe a new methodology for optimising building and urban geometric forms for the utilisation of solar irradiation, whether by passive or active means. For this we use a new evolutionary algorithm(a hybrid CMA-ES/HDE algorithm) to searc ...

Elsevier2010

Daylight regulated by automated external Venetian blinds based on HDR sky luminance mapping in winter

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

Automated shading systems have the potential to exploit daylight in buildings to save energy of artificial lighting and cooling loads and improve occupants'f visual comfort. This paper investigates the daylighting performance of automated Venetian blinds b ...

2019

Multi-agent reinforcement learning for adaptive demand response in smart cities

Jérôme Henri Kämpf

Buildings account for over 70% of the electricity use in the US. As cities grow, high peaks of electricity consumption are becoming more frequent, which leads to higher prices for electricity. Demand response is the coordination of electrical loads such th ...

IOP Publishing Ltd2019

Integrating urban energy simulation in a parametric environment: a Grasshopper interface for CitySim

Marilyne Andersen, Emmanuel Rey, Jérôme Henri Kämpf, Giuseppe Peronato

The increasing popularity of parametric design tools goes hand in hand with the use of building performance simulation (BPS) tools from the early design phase. However, current methods require a significant computational time and a high number of parameter ...

2017

How street canyon configuration control the accessibility of solar energy potential: Implication for urban design

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Nahid Mohajeri Pour Rayeni, Dan Assouline, Govinda Upadhyay

While the effects of street-canyon configuration on temperature, wind speed and direction, and air quality have received much attention, its impact on solar energy potential has not been much studied. This paper focuses on two aspects of the street-canyon ...

2016

Cooling potential of greening in the urban environment, a step further towards practice

Jean-Louis Scartezzini, Silvia Coccolo, Dasaraden Mauree, Jérôme Henri Kämpf

In the present century, for the first time in history, the urban population overpassed the rural one. Cities are growing, and their impact on the world energy balance is significant. Consequently, a sustainable urban environment focusing on the reduction o ...

2018

Ray-tracing simulation of complex fenestration systems based on digitally processed BTDF data

Jean-Louis Scartezzini, Jérôme Henri Kämpf

The implementation of Complex Fenestration Systems (CFS) in the day-to-day life by practitioners, such as lighting designers, architects and façade makers is not an easy task. However, computer design tools can reinforce their usage through the determinati ...

EPFL2011

Split-pane electrochromic window control based on an embedded photometric device with real-time daylighting computing

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

Well-designed electrochromic (EC) glazing control can improve the energy performance of buildings and visual comfort of occupants in highly glazed buildings. This paper designed and demonstrated a compact integrated EC glazing automation system to control ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Comparison of objective and subjective visual comfort and associations with non-visual functions in young subjects

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Mirjam Münch, Apiparn Borisuit, Friedrich Linhart

Visual comfort is a key element at work places and at home. Besides task illuminance and color rendering it is the indoor light distribution, which strongly impacts visual comfort. We aimed to show possible relations between subjective and objective visual ...

EPFL2011

Multi-criteria analysis for the integrated performance assessment of complex fenestration systems

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Chantal Basurto Dávila

Complex fenestration systems (CFS) designed to collect and redirect daylight from the sky-vault are generally placed on the upper part of a window in order to improve the distribution of indoor daylight. Due to their additional function as solar protection ...

Taylor & Francis2017

Design in the desert. A bioclimatic project with urban energy modelling

Jean-Louis Scartezzini, Silvia Coccolo, Jérôme Henri Kämpf

The increase of the world's population leads to an urgent need of radical measures to diminish the energy footprint of humanity. This study considers the realisation of an optimal Masterplan in energy terms for the new EPFL Research Centre in Ras A1 Khaima ...

International Building Performance Simulation Association2013

Performance assessment of the BTDF data compression based on wavelet transforms in daylighting simulation

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

The bidirectional transmittance distribution function (BTDF), which is used to characterize the light transmission of a complex fenestration system (CFS), commonly involves bulky volume of data that can be a challenge to data storage and transmission in li ...

2019

The EPFL Campus in Lausanne: New Energy Strategies for 2050

Jean-Louis Scartezzini, Silvia Coccolo, Jérôme Henri Kämpf

The increase of the urban population and the climate change are issues that scientists and stakeholders are facing nowadays; in this optic a sustainable design should address buildings, and all the physical phenomena that interact with them, from the urban ...

Elsevier2015

Daylighting simulation for external Venetian blinds based on HDR sky luminance monitoring with matrix algebraic approach

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Yujie Wu

An accurate daylighting simulation can potentially improve the quality of pre-planing buildings and regulating daylighting to achieve the goal of green buildings. However, standard sky models can hardly reproduce real skies in real-time for a specific loca ...

Elsevier2019

Ray tracing study for non-imaging daylight collectors

Jean-Louis Scartezzini, Jérôme Henri Kämpf, Friedrich Linhart

This paper presents a novel method to study how well non-imaging daylight collectors pipe diffuse daylight into long horizontal funnels for illuminating deep buildings. Forward ray tracing is used to derive luminous intensity distributions curves (LIDC) of ...

2010

A comparison of global optimisation algorithms with standard benchmark functions and real-world applications using EnergyPlus

Darren Robinson, Jérôme Henri Kämpf

There is an increasing interest in the use of computer algorithms to identify combinations of parameters which optimise the energy performance of buildings. For such problems, the objective function can be multi-modal and needs to be approximated numerical ...

Taylor & Francis2010