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Record W4235001845 · doi:10.26855/ijfsa.2020.12.001

A Parabolic Trough Baking Device Developed in Lesotho

2020· article· en· W4235001845 on OpenAlex
Ivan Yaholnitsky

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueInternational journal of food science and agriculture · 2020
Typearticle
Languageen
FieldEngineering
TopicSmart Parking Systems Research
Canadian institutionsnot available
FundersMcGill University
KeywordsParabolic troughTrough (economics)Materials scienceEnvironmental scienceGeographyEconomicsThermalMeteorologyKeynesian economics

Abstract

fetched live from OpenAlex

This paper describes technical, operational and financial metrics related to a parabolic trough solar cooking device first developed by the author in 2004 in Lesotho. It is a baking tube with a diameter of 200mm which lies in the focus of the parabolic trough and has an overall 10:1 concentration ratio. The device has been in continuous use since then, along with other ovens of the same type, primarily used for baking in the framework of a small cottage bread baking application. The paper describes the physical characteristics of the solar oven and its operating context. The materials and precise geometry employed is examined, along with innovations applied over the course of many years of development. As well, shop procedures for manufacture are described along with operating experience, in terms of doing applied commercial work in an authentic setting. The conclusion summarizes financial indicators, costs and potential revenues, return on investment, and prospective for scaling, extension and replication, along with contemporary linkages to the Sustainable Development Goals and energy parameters in Lesotho.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.668
Threshold uncertainty score0.186

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.036
GPT teacher head0.287
Teacher spread0.250 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it