Search Results - "Freitas, V. de P"

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    Salt Damage and Rising Damp Treatment in Building Structures by Kočí, Václav, Antepara, Iñigo, de Freitas, Vasco P., Guimarães, Ana S., Delgado, J. M. P. Q., Černý, Robert

    “…Salt damage can affect the service life of numerous building structures, both historical and contemporary, in a significant way. In this review, various damage…”
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    Journal Article
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    Mathematical analysis of the evaporative process of a new technological treatment of rising damp in historic buildings by Guimarães, A.S., Delgado, J.M.P.Q., de Freitas, V.P.

    Published in Building and environment (01-11-2010)
    “…The treatment of rising damp in historic buildings walls is very complex, due to the thickness and heterogeneity of those walls. The traditionally techniques…”
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  3. 3

    Analysis and Monitoring of the Drying Process of a Hygro-Regulated Wall Base Ventilation System Implemented in a Historical Church to Control Rising Damp by Delgado, J. M. P. Q, Guimarães, A. S, de Freitas, V. P

    Published in Drying technology (12-03-2013)
    “…Treating rising damp in the walls of historic buildings is a very complex procedure and the traditional techniques currently used to minimize rising damp are…”
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  4. 4

    Wall Base Ventilation System Applied at Different Wall Geometries—Numerical Simulation of the Evaporative Process by Delgado, J. M. P. Q, Guimarães, A. S, de Freitas, V. P

    Published in Drying technology (2012)
    “…This work describes the moisture transfer process between a moving air flux and a saturated cylindrical pillar, in alignment with the direction of flow…”
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  5. 5

    State-of-the-Art Review of Building Inspection Systems by Ferraz, G. T, de Brito, J, de Freitas, V. P, Silvestre, J. D

    “…AbstractThe scientific community is devoting more attention to the wide field of inspection, diagnosis, maintenance, and rehabilitation of buildings, including…”
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    Air permeability measurements of dwellings and building components in Portugal by Pinto, M., Viegas, J., de Freitas, V.P.

    Published in Building and environment (01-12-2011)
    “…Ventilation represents a significant part of heat loss in winter, leading to the need to minimize airflow. However, it is absolutely necessary to ensure indoor…”
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  7. 7

    Experimental determination of the hygroscopic inertia of building materials by Ramos, N. M. M., de Freitas, V. P.

    “…A set of experiments is reported that tests the contribution of building components to the overall hygroscopic inertia of a room and its effect on the relative…”
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  8. 8

    The Effect of Salt Solutions and Absorption Cycles in the Capillary and Drying Coefficient of Red Brick Samples with Different Joints by Albuquerque, A. P., de Freitas, Vasco P., Delgado, J. M. P. Q., Guimarães, Ana S.

    “…Rising damp can reduce building’s aesthetical value, comfort, and health mark when combined with the existence of soluble salts in the building components and…”
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  9. 9

    Exterior condensations on façades: numerical simulation of the undercooling phenomenon by Barreira, E., Delgado, J. M.P.Q., Ramos, N. M.M., de Freitas, V. P.

    Published in Journal of building performance simulation (01-09-2013)
    “…This article intends to apply existing numerical models of exterior boundary conditions on the simulation of exterior condensation on façades (undercooling…”
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  10. 10

    School building experimental characterization in Mediterranean climate regarding comfort, indoor air quality and energy consumption by Barbosa, F.C., de Freitas, V.P., Almeida, M.

    Published in Energy and buildings (01-04-2020)
    “…•Assessment of the thermal discomfort in Portuguese public schools in free-running conditions.•Reduced cost refurbishment of a prototype classroom in a…”
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  11. 11

    Water movement in building walls: interfaces influence on the moisture flux by Delgado, J. M. P. Q., de Freitas, V. P., Guimarães, A. S.

    Published in Heat and mass transfer (01-11-2016)
    “…Most building elements are a composite of different material layers; however the majority of the works presented in literature were developed for multi-layered…”
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  12. 12

    Application of different transient sorption methods to evaluate moisture diffusion coefficients of building materials on the hygroscopic range by Delgado, JMPQ, Ramos, NMM, de Freitas, VP

    Published in Journal of building physics (01-01-2012)
    “…Typically, moisture transport coefficients are determined either by stationary measurements, as standard cup set-up and modified cup method, or by dynamic…”
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  13. 13

    Fraud-proof methylcellulose-based fish freshness indicator: Reversibility in halochromic sensing of basic volatiles is tailored by ionic strength by Silva, R.R.A., de Freitas, P.A.V., de Oliveira, T.V., Teixeira, S.C., Rigolon, T.C.B., Stringheta, P.C., Otoni, C.G., Soares, N. de F.F.

    “…Food from animal sources (e.g., fish) represents the food group most likely to disseminate diseases to humans. To prevent food contamination and foodborne…”
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  14. 14

    Influence of finishing coatings on hygroscopic moisture buffering in building elements by Ramos, N.M.M., Delgado, J.M.P.Q., de Freitas, V.P.

    Published in Construction & building materials (01-12-2010)
    “…This paper reports the results of an extensive experimental characterization of the sorption isotherms, vapour permeability and Moisture Buffer Value (MBV) of…”
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  15. 15

    Numerical models performance to predict drying liquid water in porous building materials: Comparison of experimental and simulated drying water content profiles by Guimarães, A.S., Ribeiro, I.M., de Freitas, V.P.

    Published in Cogent engineering (01-01-2017)
    “…A practical way to evaluate drying in porous building materials is through environmental conditioning drying curve where drying is influenced by external…”
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  16. 16

    Can Moisture Buffer Performance be Estimated from Sorption Kinetics? by Delgado, J. M. P. Q., Ramos, N. M. M., De Freitas, V. P.

    Published in Journal of building physics (01-04-2006)
    “…This article describes the research on the moisture buffering effect of building materials. A set of experiments on samples of current building materials are…”
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    Assessing the durability of mortars tiles – A contribution for a prediction model by de Freitas, V.P., Corvacho, H., Quintela, M., Delgado, J.M.P.Q.

    Published in Engineering failure analysis (01-09-2014)
    “…•A discussion of service life prediction (SLP) is presented.•Two experimental research works are described and analysed.•The advances and difficulties in…”
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    Moisture migration in building walls—Analysis of the interface phenomena by De Freitas, V.P., Abrantes, V., Crausse, P.

    Published in Building and environment (01-03-1996)
    “…The study of moisture migration in materials and building elements is of great importance for the characterization of their behaviour, and affects their…”
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