3D Registration of Apartment Rights Using BIM/IFC: Comparing the Cases of the Netherlands, Saudi Arabia, and Turkey

Τhe built environment has a vast and ever-growing number of complex and multi-layered buildings and other structures. The number of those is growing because of the increasing pressure on the limited space in cities. It is important to note that different professional sectors are involved in the realization of a new building. These sectors are...

BIM Models as Input for 3D Land Administration Systems for Apartment Registration

The growth of cities and the pressure on land worldwide leads to more complex and multilevel structures with different space interrelations. For the registration of complex spaces mostly 2D Land Administration Systems (LAS) are used, while a representation of space in 3D could provide a clearer insight. Concurrently, technological advancements...

Miniaturized Radio Tranceiver for PocketQubes, Exceeding Performance of CubeSat Solutions

In this paper, a detailed design is presented of a communications module that is designed to fit tight PocketQube design budgets but still offer performance at least comparable to commercial off-the-shelf CubeSat solutions. The communications module features extremely efficient power usage, less than 2 Watt DC for 1 Watt RF output while fitting...

A Pico-Satellite Design to Demonstrate Trajectory and Science Applications

This paper presents the design, integration and testing of a pico satellite, Delfi-PQ, a 3P PocketQube developed by Delft University of Technology, expected to be launched at the end of 2020. The main goal of this project is creating a miniaturized platform for future space missions with performances comparable to CubeSats, taking advantage of...

Conversion strategies for dutch primary schools: Practice and refinement

Handbooks on strategic real estate management are generally based on four strategies for functional adjustment of the building: Conversion, expansion, renovation and adaptive reuse. And on a strategic level, this classification in adjustment strategies does work for real estate in general. But when looking at Dutch primary schools as a...

Ambassadors of humankind; making a mark in the vast expanse of space

It almost sounds like a riddle: man-made objects travelling at speeds in excess of ten kilometres per second at a distance of many billions of kilometres. These are the man-made objects that are farthest away and, in a way, they serve as ambassadors of humankind. Each object was launched in the seventies and carries with it a symbol to signify...

A new dean in town; an interview with the new dean, Professor Hester Bijl

On April 15, Professor Hester Bijl was officially appointed the new dean of the Faculty of Aerospace Engineering. Succeeding Professor Jacco Hoekstra, she became the first female dean of the faculty. She is a Delft alumnus who has worked in both business and academia. Ample reason for the Leonardo Times to sit down for an interview with...

Unsung heroes of aviation; giving credit where credit is due

Anthony Fokker's legacy; a century of engineering genius

The innovative shepherd; an interview with Professor Sybrand van der Zwaag

The use of battery-capacitor combinations in photovoltaic powered products

This paper analyzes smart combinations of rechargeable batteries and capacitors in energy storage media of photovoltaic (PV) powered products. Important in a mature design of such products is an efficient energy transfer from PV converter into the storage media and from storage towards the energy consuming application. In this paper, an...