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We tune one of the most common heating, ventilation, and air conditioning (HVAC) control loops, namely the temperature control of a room. For economical and environmental reasons, it is of prime importance to optimize the performance of…

Machine Learning · Computer Science 2019-07-01 Marcello Fiducioso , Sebastian Curi , Benedikt Schumacher , Markus Gwerder , Andreas Krause

The paper describes a method for measuring the thermal diffusivity of materials having a high thermal conductivity. The apparatus is rather simple and low-cost, being therefore suitable in a laboratory for undergraduate students of…

Physics Education · Physics 2014-01-15 Amelia Carolina Sparavigna

To monitor the acidity of rain water in real time, a rain water sampling system was developed. The rain sampler detects the initial rain after a dry spell and collects a water sample. Before performing the measurements, the pH probe is…

Instrumentation and Detectors · Physics 2015-08-11 R. Weerasinghe , A. S. Pannila , M. K. Jayananda , D. U. J. Sonnadara

This paper introduces Eilmer, a general-purpose open-source compressible flow solver developed at the University of Queensland, designed to support research calculations in hypersonics and high-speed aerothermodynamics. Eilmer has a broad…

Computational Engineering, Finance, and Science · Computer Science 2022-10-06 Nicholas N. Gibbons , Kyle A. Damm , Peter A. Jacobs , Rowan J. Gollan

Accurate flux density calibration is essential for precise analysis and interpretation of observations across different observation modes and instruments. In this research, we firstly introduce the flux calibration model incorporated in…

Instrumentation and Methods for Astrophysics · Physics 2024-09-04 Ziming Liu , Jie Wang , Yingjie Jing , Zhi-Yu Zhang , Chen Xu , Tiantian Liang , Qingze Chen , Ningyu Tang , Qingliang Yang

There is a wide consensus within the polar science, meteorology, and oceanography communities that more in-situ observations of the ocean, atmosphere, and sea ice, are required to further improve operational forecasting model skills.…

In mixed quantum-classical simulations of molecule-metal surface interactions, the discretization of the metallic electronic continuum typically results in a closed-system representation that fails to capture the open-system nature of the…

Chemical Physics · Physics 2026-03-19 Yongtao Ma , Wenjie Dou

We demonstrate the design, fabrication and use of a dual electrode PMUT (Piezoelectric Micromachined Ultrasound Transducer) integrated with a microfluidic channel as a fluid density sensor in both static and dynamic density-change…

Measurements with a glider show that thermal theories published for decades need to be revised. We present a corrected view of temperature and humidity in thermal updrafts.

Atmospheric and Oceanic Physics · Physics 2022-11-02 Oliver Predelli , Ronald Niederhagen

Electrostatic charge on powders arises during pneumatic transport due to particle-particle and particle-surface interactions via triboelectrification. This is a potential threat to the safety of industrial productions and the source of…

Fluid Dynamics · Physics 2022-06-10 Wenchao Xu , Holger Grosshans

The extreme heat fluxes in the divertor region of tokamaks may require an alternative to solid plasma-facing components, for the extraction of heat and the protection of the surrounding walls. Flowing liquid metals are proposed as an…

This paper illustrates the design and implementation of a smart home automation system for the conservation of energy and user control with the help of environmental sensors and Raspberry Pi 5. It monitors real-time conditions like motion,…

Cryptography and Security · Computer Science 2026-05-21 Amaan Ahmed , Mohammed Mahir Rahman , Shahzad Memon , Tauseef Ahmed

To mitigate the significant biases/errors in research studying the associations between PM and health, which are introduced by the coarse/inadequate assessments of PM exposure from conventional PM monitoring paradigm, a personalized…

Systems and Control · Electrical Eng. & Systems 2022-07-13 Wei-Ying Yi , Yu Zhou , Ya-Fen Chan , Yee Leung , Kam-Sang Woo , Wen-Wei Che , Kai-Hon Lau , Jia-Min Chen , Kwong-Sak Leung

Fusion experiments rely heavily on the measurement of the line-integrated electron density by interferometry for density feed-back control. In recent years the discharge length has increased dramatically and is continuing to rise, resulting…

Instrumentation and Detectors · Physics 2019-11-14 K. J. Brunner , J. Knauer , J. Meineke , M. Stern , M. Hirsch , B. Kursinski , R. C. Wolf , the W7-X team

In this paper, our objective is to design, build, and verify a closed-loop environmental control system tailored for small-scale agriculture applications. This project aims to develop a low-cost, safety-critical embedded solution using the…

Hardware Architecture · Computer Science 2026-02-24 Irisha M. Goswami , D. G. Perera

This study focused on the development of a smart greenhouse system for hydroponic gardens with the adaptation of the Internet of Things and monitored through mobile as one of the solutions towards the negative effects of the worlds booming…

Systems and Control · Electrical Eng. & Systems 2023-05-03 Arcel Christian H. Austria , John Simon Fabros , Kurt Russel G. Sumilang , Jocelyn Bernardino , Anabella C. Doctor

We present Edaq530, a low-cost, compact and easy-to-use digital measurement solution consisting of a thumb-sized USB-to-sensor interface and a measurement software. The solution is fully open-source, our aim being to provide a viable…

Instrumentation and Detectors · Physics 2012-02-23 Katalin Kopasz , Péter Makra , Zoltán Gingl

Microfluidics and lab-on-a-chip technologies have made it possible to manipulate small volume liquids with unprecedented resolution, automation and integration. However, most current microfluidic systems still rely on bulky off-chip…

Instrumentation and Detectors · Physics 2014-05-22 Baichen Li , Lin Li , Allan Guan , Quan Dong , Kangcheng Ruan , Ronggui Hu , Zhenyu Li

This paper introduces the design of a demand response network control strategy aimed at thermostatically controlled electric heating and cooling systems in buildings. The method relies on the use of programmable communicating thermostats,…

Optimization and Control · Mathematics 2011-12-07 Simon Parkinson , Dan Wang , Curran Crawford , Ned Djilali

Unnoticed by most people, Industrial Control Systems (ICSs) control entire productions and critical infrastructures such as water distribution, smart grid and automotive manufacturing. Due to the ongoing digitalization, these systems are…

Cryptography and Security · Computer Science 2019-10-02 Felix Sauer , Matthias Niedermaier , Susanne Kießling , Dominik Merli